mirror of https://github.com/postgres/postgres
Document the precision arguments for date/time types per SQL9x.
Update the list of recognized time zones. Document the range of arguments allowed for SET TIME ZONE. Still need to add info on other date/time symbols (e.g. "AM", "T") and to freshen the docs on the date/time parsing rules.
This commit is contained in:
Thomas G. Lockhart
parent
b5e23db438
commit
dd0279b1ba
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.80 2001/12/23 20:21:37 tgl Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.81 2001/12/29 18:35:46 thomas Exp $
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-->
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<chapter id="datatype">
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@ -135,7 +135,7 @@ $Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.80 2001/12/23 20:21:37 tg
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</row>
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<row>
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<entry><type>interval</type></entry>
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<entry><type>interval(<replaceable>p</replaceable>)</type></entry>
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<entry></entry>
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<entry>general-use time span</entry>
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</row>
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@ -165,8 +165,10 @@ $Header: /cvsroot/pgsql/doc/src/sgml/datatype.sgml,v 1.80 2001/12/23 20:21:37 tg
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</row>
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<row>
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<entry><type>numeric(<replaceable>p</replaceable>, <replaceable>s</replaceable>)</type></entry>
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<entry><type>decimal(<replaceable>p</replaceable>, <replaceable>s</replaceable>)</type></entry>
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<entry><type>numeric [ (<replaceable>p</replaceable>,
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<replaceable>s</replaceable>) ]</type></entry>
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<entry><type>decimal [ (<replaceable>p</replaceable>,
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<replaceable>s</replaceable>) ]</type></entry>
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<entry>exact numeric with selectable precision</entry>
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</row>
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@ -1306,7 +1308,7 @@ SELECT b, char_length(b) FROM test2;
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<entry>1 day</entry>
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</row>
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<row>
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<entry><type>time [ without time zone ]</type></entry>
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<entry><type>time [ (<replaceable>p</replaceable>) ] [ without time zone ]</type></entry>
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<entry>times of day only</entry>
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<entry>8 bytes</entry>
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<entry>00:00:00.00</entry>
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@ -1314,7 +1316,7 @@ SELECT b, char_length(b) FROM test2;
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<entry>1 microsecond</entry>
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</row>
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<row>
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<entry><type>time with time zone</type></entry>
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<entry><type>time [ (<replaceable>p</replaceable>) ] with time zone</type></entry>
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<entry>times of day only</entry>
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<entry>12 bytes</entry>
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<entry>00:00:00.00+12</entry>
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@ -2164,7 +2166,7 @@ January 8 04:05:06 1999 PST
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<productname>PostgreSQL</productname> for legacy applications and
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for compatibility with other RDBMS implementations).
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<productname>PostgreSQL</productname>
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assumes local time for any type containing only
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assumes your local time zone for any type containing only
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date or time. Further, time zone support is derived from
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the underlying operating system
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time-zone capabilities, and hence can handle daylight-saving time
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/datetime.sgml,v 2.23 2001/11/21 05:53:41 thomas Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/datetime.sgml,v 2.24 2001/12/29 18:35:47 thomas Exp $
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Date/time details
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-->
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@ -54,17 +54,17 @@ Date/time details
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</row>
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<row>
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<entry>AESST</entry>
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<entry>+11:00 </entry>
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<entry>+11:00</entry>
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<entry>Australia Eastern Summer Standard Time</entry>
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</row>
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<row>
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<entry>ACSST</entry>
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<entry>+10:30 </entry>
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<entry>+10:30</entry>
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<entry>Central Australia Summer Standard Time</entry>
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</row>
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<row>
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<entry>CADT</entry>
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<entry>+10:30 </entry>
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<entry>+10:30</entry>
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<entry>Central Australia Daylight Savings Time</entry>
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</row>
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<row>
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@ -74,12 +74,12 @@ Date/time details
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</row>
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<row>
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<entry>AEST</entry>
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<entry>+10:00 </entry>
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<entry>+10:00</entry>
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<entry>Australia Eastern Standard Time</entry>
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</row>
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<row>
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<entry>EAST</entry>
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<entry>+10:00 </entry>
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<entry>+10:00</entry>
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<entry>East Australian Standard Time</entry>
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</row>
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<row>
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@ -92,368 +92,423 @@ Date/time details
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<entry>+10:00</entry>
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<entry>Melbourne, Australia</entry>
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</row>
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<row>
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<entry>ACST</entry>
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<entry>+09:30 </entry>
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<entry>Central Australia Standard Time</entry>
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</row>
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<row>
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<entry>SAST</entry>
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<entry>+09:30 </entry>
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<entry>+09:30</entry>
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<entry>South Australia Standard Time</entry>
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</row>
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<row>
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<entry>CAST</entry>
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<entry>+09:30 </entry>
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<entry>+09:30</entry>
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<entry>Central Australia Standard Time</entry>
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</row>
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<row>
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<entry>AWSST</entry>
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<entry>+9:00 </entry>
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<entry>+09:00</entry>
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<entry>Australia Western Summer Standard Time</entry>
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</row>
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<row>
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<entry>JST</entry>
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<entry>+9:00</entry>
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<entry>+09:00</entry>
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<entry>Japan Standard Time,USSR Zone 8</entry>
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</row>
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<row>
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<entry>KST</entry>
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<entry>+9:00</entry>
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<entry>+09:00</entry>
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<entry>Korea Standard Time</entry>
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</row>
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<row>
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<entry>MHT</entry>
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<entry>+09:00</entry>
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<entry>Kwajalein Time</entry>
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</row>
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<row>
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<entry>WDT</entry>
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<entry>+9:00</entry>
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<entry>+09:00</entry>
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<entry>West Australian Daylight Time</entry>
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</row>
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<row>
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<entry>MT</entry>
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<entry>+8:30</entry>
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<entry>+08:30</entry>
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<entry>Moluccas Time</entry>
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</row>
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<row>
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<entry>AWST</entry>
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<entry>+8:00 </entry>
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<entry>+08:00</entry>
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<entry>Australia Western Standard Time</entry>
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</row>
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<row>
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<entry>CCT</entry>
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<entry>+8:00 </entry>
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<entry>+08:00</entry>
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<entry>China Coastal Time</entry>
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</row>
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<row>
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<entry>WADT</entry>
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<entry>+8:00</entry>
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<entry>+08:00</entry>
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<entry>West Australian Daylight Time</entry>
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</row>
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<row>
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<entry>WST</entry>
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<entry>+8:00</entry>
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<entry>+08:00</entry>
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<entry>West Australian Standard Time</entry>
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</row>
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<row>
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<entry>JT</entry>
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<entry>+7:30</entry>
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<entry>+07:30</entry>
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<entry>Java Time</entry>
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</row>
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<row>
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<entry>ALMST</entry>
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<entry>+07:00</entry>
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<entry>Almaty Summer Time</entry>
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</row>
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<row>
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<entry>WAST</entry>
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<entry>+7:00</entry>
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<entry>+07:00</entry>
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<entry>West Australian Standard Time</entry>
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</row>
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<row>
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<entry>CXT</entry>
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<entry>+7:00</entry>
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<entry>+07:00</entry>
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<entry>Christmas (Island) Time</entry>
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</row>
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<row>
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<entry>ALMT</entry>
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<entry>+06:00</entry>
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<entry>Almaty Time</entry>
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</row>
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<!--
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Conflicts with China Coastal Time
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<row>
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<entry>CCT</entry>
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<entry>+6:30 </entry>
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<entry>+06:30</entry>
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<entry>Cocos Island Time</entry>
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</row>
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-->
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<row>
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<entry>MAWT</entry>
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<entry>+06:00</entry>
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<entry>Mawson (Antarctica) Time</entry>
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</row>
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<row>
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<entry>IOT</entry>
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<entry>+5:00</entry>
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<entry>+05:00</entry>
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<entry>Indian Chagos Time</entry>
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</row>
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<row>
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<entry>MVT</entry>
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<entry>+5:00</entry>
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<entry>+05:00</entry>
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<entry>Maldives Island Time</entry>
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</row>
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<row>
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<entry>TFT</entry>
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<entry>+5:00</entry>
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<entry>+05:00</entry>
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<entry>Kerguelen Time</entry>
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</row>
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<row>
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<entry>AFT</entry>
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<entry>+04:30</entry>
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<entry>Afganistan Time</entry>
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</row>
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<row>
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<entry>EAST</entry>
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<entry>+4:00</entry>
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<entry>+04:00</entry>
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<entry>Antananarivo Savings Time</entry>
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</row>
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<row>
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<entry>MUT</entry>
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<entry>+4:00</entry>
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<entry>+04:00</entry>
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<entry>Mauritius Island Time</entry>
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</row>
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<row>
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<entry>RET</entry>
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<entry>+4:00</entry>
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<entry>+04:00</entry>
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<entry>Reunion Island Time</entry>
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</row>
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<row>
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<entry>SCT</entry>
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<entry>+4:00</entry>
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<entry>+04:00</entry>
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<entry>Mahe Island Time</entry>
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</row>
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<row>
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<entry>IT</entry>
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<entry>+3:30</entry>
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<entry>+03:30</entry>
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<entry>Iran Time</entry>
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</row>
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<row>
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<entry>EAT</entry>
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<entry>+3:00</entry>
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<entry>+03:00</entry>
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<entry>Antananarivo, Comoro Time</entry>
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</row>
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<row>
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<entry>BT</entry>
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<entry>+3:00 </entry>
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<entry>+03:00</entry>
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<entry>Baghdad Time</entry>
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</row>
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<row>
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<entry>EETDST</entry>
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<entry>+3:00 </entry>
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<entry>+03:00</entry>
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<entry>Eastern Europe Daylight Savings Time</entry>
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</row>
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<row>
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<entry>HMT</entry>
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<entry>+03:00</entry>
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<entry>Hellas Mediterranean Time (?)</entry>
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</row>
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<row>
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<entry>BDST</entry>
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<entry>+2:00 </entry>
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<entry>+02:00</entry>
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<entry>British Double Standard Time</entry>
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</row>
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<row>
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<entry>CEST</entry>
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<entry>+2:00 </entry>
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<entry>+02:00</entry>
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<entry>Central European Savings Time</entry>
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</row>
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<row>
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<entry>CETDST</entry>
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<entry>+2:00 </entry>
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<entry>+02:00</entry>
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<entry>Central European Daylight Savings Time</entry>
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</row>
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<row>
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<entry>EET</entry>
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<entry>+2:00 </entry>
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<entry>+02:00</entry>
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<entry>Eastern Europe, USSR Zone 1</entry>
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</row>
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<row>
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<entry>FWT</entry>
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<entry>+2:00</entry>
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<entry>+02:00</entry>
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<entry>French Winter Time</entry>
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</row>
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<row>
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<entry>IST</entry>
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<entry>+2:00</entry>
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<entry>+02:00</entry>
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<entry>Israel Standard Time</entry>
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</row>
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<row>
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<entry>MEST</entry>
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<entry>+2:00</entry>
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<entry>+02:00</entry>
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<entry>Middle Europe Summer Time</entry>
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</row>
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<row>
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<entry>METDST</entry>
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<entry>+2:00</entry>
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<entry>+02:00</entry>
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<entry>Middle Europe Daylight Time</entry>
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</row>
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<row>
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<entry>SST</entry>
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<entry>+2:00</entry>
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<entry>+02:00</entry>
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<entry>Swedish Summer Time</entry>
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</row>
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<row>
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<entry>BST</entry>
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<entry>+1:00 </entry>
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<entry>+01:00</entry>
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<entry>British Summer Time</entry>
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</row>
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<row>
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<entry>CET</entry>
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<entry>+1:00 </entry>
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<entry>+01:00</entry>
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<entry>Central European Time</entry>
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</row>
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<row>
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<entry>DNT</entry>
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<entry>+1:00 </entry>
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<entry>+01:00</entry>
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<entry><foreignphrase>Dansk Normal Tid</foreignphrase></entry>
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</row>
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<row>
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<entry>FST</entry>
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<entry>+1:00 </entry>
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<entry>+01:00</entry>
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<entry>French Summer Time</entry>
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</row>
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<row>
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<entry>MET</entry>
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<entry>+1:00</entry>
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<entry>+01:00</entry>
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<entry>Middle Europe Time</entry>
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</row>
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<row>
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<entry>MEWT</entry>
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<entry>+1:00</entry>
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<entry>+01:00</entry>
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<entry>Middle Europe Winter Time</entry>
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</row>
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<row>
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<entry>MEZ</entry>
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<entry>+1:00</entry>
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<entry>+01:00</entry>
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<entry>Middle Europe Zone</entry>
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</row>
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<row>
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<entry>NOR</entry>
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<entry>+1:00</entry>
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<entry>+01:00</entry>
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<entry>Norway Standard Time</entry>
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</row>
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<row>
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<entry>SET</entry>
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<entry>+1:00</entry>
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<entry>+01:00</entry>
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<entry>Seychelles Time</entry>
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</row>
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<row>
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<entry>SWT</entry>
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<entry>+1:00</entry>
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<entry>+01:00</entry>
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<entry>Swedish Winter Time</entry>
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</row>
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<row>
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<entry>WETDST</entry>
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<entry>+1:00</entry>
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<entry>+01:00</entry>
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<entry>Western Europe Daylight Savings Time</entry>
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</row>
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<row>
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<entry>GMT</entry>
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<entry>0:00</entry>
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<entry>+00:00</entry>
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<entry>Greenwich Mean Time</entry>
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</row>
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<row>
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<entry>WET</entry>
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<entry>0:00</entry>
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<entry>+00:00</entry>
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<entry>Western Europe</entry>
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</row>
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<row>
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<entry>WAT</entry>
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<entry>-1:00</entry>
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<entry>-01:00</entry>
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<entry>West Africa Time</entry>
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</row>
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<row>
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<entry>NDT</entry>
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<entry>-2:30</entry>
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<entry>-02:30</entry>
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<entry>Newfoundland Daylight Time</entry>
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</row>
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<row>
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<entry>ADT</entry>
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<entry>-03:00 </entry>
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<entry>-03:00</entry>
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<entry>Atlantic Daylight Time</entry>
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</row>
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<row>
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<entry>AWT</entry>
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<entry>-03:00</entry>
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<entry>(unknown)</entry>
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</row>
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<row>
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<entry>NFT</entry>
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<entry>-3:30</entry>
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<entry>-03:30</entry>
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<entry>Newfoundland Standard Time</entry>
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</row>
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<row>
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<entry>NST</entry>
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<entry>-3:30</entry>
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<entry>-03:30</entry>
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<entry>Newfoundland Standard Time</entry>
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</row>
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<row>
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<entry>AST</entry>
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<entry>-4:00 </entry>
|
||||
<entry>-04:00</entry>
|
||||
<entry>Atlantic Standard Time (Canada)</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>ACST</entry>
|
||||
<entry>-04:00</entry>
|
||||
<entry>Atlantic/Porto Acre Summer Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>ACT</entry>
|
||||
<entry>-05:00</entry>
|
||||
<entry>Atlantic/Porto Acre Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>EDT</entry>
|
||||
<entry>-4:00 </entry>
|
||||
<entry>-04:00</entry>
|
||||
<entry>Eastern Daylight Time</entry>
|
||||
</row>
|
||||
<!--
|
||||
<row>
|
||||
<entry>ZP4</entry>
|
||||
<entry>-4:00</entry>
|
||||
<entry>-04:00</entry>
|
||||
<entry>GMT +4 hours</entry>
|
||||
</row>
|
||||
-->
|
||||
<row>
|
||||
<entry>CDT</entry>
|
||||
<entry>-5:00 </entry>
|
||||
<entry>-05:00</entry>
|
||||
<entry>Central Daylight Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>EST</entry>
|
||||
<entry>-5:00 </entry>
|
||||
<entry>-05:00</entry>
|
||||
<entry>Eastern Standard Time</entry>
|
||||
</row>
|
||||
<!--
|
||||
<row>
|
||||
<entry>ZP5</entry>
|
||||
<entry>-5:00</entry>
|
||||
<entry>-05:00</entry>
|
||||
<entry>GMT +5 hours</entry>
|
||||
</row>
|
||||
-->
|
||||
<row>
|
||||
<entry>CST</entry>
|
||||
<entry>-6:00 </entry>
|
||||
<entry>-06:00</entry>
|
||||
<entry>Central Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>MDT</entry>
|
||||
<entry>-6:00</entry>
|
||||
<entry>-06:00</entry>
|
||||
<entry>Mountain Daylight Time</entry>
|
||||
</row>
|
||||
<!--
|
||||
<row>
|
||||
<entry>ZP6</entry>
|
||||
<entry>-6:00</entry>
|
||||
<entry>-06:00</entry>
|
||||
<entry>GMT +6 hours</entry>
|
||||
</row>
|
||||
-->
|
||||
<row>
|
||||
<entry>MST</entry>
|
||||
<entry>-7:00</entry>
|
||||
<entry>-07:00</entry>
|
||||
<entry>Mountain Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>PDT</entry>
|
||||
<entry>-7:00</entry>
|
||||
<entry>-07:00</entry>
|
||||
<entry>Pacific Daylight Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>AKDT</entry>
|
||||
<entry>-08:00</entry>
|
||||
<entry>Alaska Daylight Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>PST</entry>
|
||||
<entry>-8:00</entry>
|
||||
<entry>-08:00</entry>
|
||||
<entry>Pacific Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>YDT</entry>
|
||||
<entry>-8:00</entry>
|
||||
<entry>-08:00</entry>
|
||||
<entry>Yukon Daylight Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>AKST</entry>
|
||||
<entry>-09:00</entry>
|
||||
<entry>Alaska Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>HDT</entry>
|
||||
<entry>-9:00</entry>
|
||||
<entry>-09:00</entry>
|
||||
<entry>Hawaii/Alaska Daylight Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>YST</entry>
|
||||
<entry>-9:00</entry>
|
||||
<entry>-09:00</entry>
|
||||
<entry>Yukon Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>AHST</entry>
|
||||
<entry>-10:00 </entry>
|
||||
<entry>-10:00</entry>
|
||||
<entry>Alaska-Hawaii Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>HST</entry>
|
||||
<entry>-10:00</entry>
|
||||
<entry>Hawaii Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>CAT</entry>
|
||||
<entry>-10:00 </entry>
|
||||
<entry>-10:00</entry>
|
||||
<entry>Central Alaska Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
|
|
@ -503,6 +558,11 @@ Date/time details
|
|||
</row>
|
||||
</thead>
|
||||
<tbody>
|
||||
<row>
|
||||
<entry>ACST</entry>
|
||||
<entry>+09:30</entry>
|
||||
<entry>Central Australia Standard Time</entry>
|
||||
</row>
|
||||
<row>
|
||||
<entry>CST</entry>
|
||||
<entry>+10:30</entry>
|
||||
|
|
@ -515,7 +575,7 @@ Date/time details
|
|||
</row>
|
||||
<row>
|
||||
<entry>SAT</entry>
|
||||
<entry>+9:30</entry>
|
||||
<entry>+09:30</entry>
|
||||
<entry>South Australian Standard Time</entry>
|
||||
</row>
|
||||
</tbody>
|
||||
|
|
@ -582,7 +642,7 @@ Date/time details
|
|||
as either a special string (e.g. <literal>today</literal>),
|
||||
day (e.g. <literal>Thursday</literal>),
|
||||
month (e.g. <literal>January</literal>),
|
||||
or noise word (e.g. <literal>on</literal>).
|
||||
or noise word (e.g. <literal>at</literal>, <literal>on</literal>).
|
||||
</para>
|
||||
<para>
|
||||
Set field values and bit mask for fields.
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
<!--
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/ref/set.sgml,v 1.54 2001/12/08 03:24:39 thomas Exp $
|
||||
$Header: /cvsroot/pgsql/doc/src/sgml/ref/set.sgml,v 1.55 2001/12/29 18:35:54 thomas Exp $
|
||||
PostgreSQL documentation
|
||||
-->
|
||||
|
||||
|
|
@ -235,6 +235,13 @@ SELECT setseed(<replaceable>value</replaceable>);
|
|||
<term>TIME ZONE</term>
|
||||
<term>TIMEZONE</term>
|
||||
<listitem>
|
||||
<para>
|
||||
Sets the default time zone for your session. Arguments can be
|
||||
an SQL time interval constant, an integer or double precision
|
||||
constant, or a string representing a time zone supported by
|
||||
the host operating system.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
The possible values for time zone depends on your operating
|
||||
system. For example, on Linux
|
||||
|
|
@ -243,10 +250,10 @@ SELECT setseed(<replaceable>value</replaceable>);
|
|||
</para>
|
||||
<para>
|
||||
Here are some valid values for time zone:
|
||||
|
||||
<variablelist>
|
||||
|
||||
<variablelist>
|
||||
<varlistentry>
|
||||
<term>PST8PDT</term>
|
||||
<term>'PST8PDT'</term>
|
||||
<listitem>
|
||||
<para>
|
||||
Set the time zone for California.
|
||||
|
|
@ -254,10 +261,10 @@ SELECT setseed(<replaceable>value</replaceable>);
|
|||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>Portugal</term>
|
||||
<term>'Portugal'</term>
|
||||
<listitem>
|
||||
<para>
|
||||
Set time zone for Portugal.
|
||||
Set the time zone for Portugal.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
|
@ -265,7 +272,24 @@ SELECT setseed(<replaceable>value</replaceable>);
|
|||
<term>'Europe/Rome'</term>
|
||||
<listitem>
|
||||
<para>
|
||||
Set time zone for Italy.
|
||||
Set the time zone for Italy.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term>7</term>
|
||||
<listitem>
|
||||
<para>
|
||||
Set the time zone to 7 hours offset west from GMT (equivalent
|
||||
to PDT).
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<term>INTERVAL '08:00' HOUR TO MINUTE</term>
|
||||
<listitem>
|
||||
<para>
|
||||
Set the time zone to 8 hours offset west from GMT (equivalent
|
||||
to PST).
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
|
@ -286,9 +310,9 @@ SELECT setseed(<replaceable>value</replaceable>);
|
|||
becomes GMT (on most systems anyway).
|
||||
</para>
|
||||
<para>
|
||||
If the PGTZ environment variable is set in the frontend
|
||||
If the <envar>PGTZ</envar> environment variable is set in the frontend
|
||||
environment of a client based on libpq, libpq will automatically
|
||||
set TIMEZONE to the value of PGTZ during connection start-up.
|
||||
set TIMEZONE to the value of <envar>PGTZ</envar> during connection start-up.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
|
|
|||
Loading…
Reference in New Issue