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3    The view <code class="structname">pg_timezone_abbrevs</code> provides a list
4    of time zone abbreviations that are currently recognized by the datetime
5    input routines.  The contents of this view change when the
6    <a class="xref" href="runtime-config-client.html#GUC-TIMEZONE">TimeZone</a> or
7    <a class="xref" href="runtime-config-client.html#GUC-TIMEZONE-ABBREVIATIONS">timezone_abbreviations</a> run-time parameters are
8    modified.
9   </p><div class="table" id="id-1.10.5.37.4"><p class="title"><strong>Table 53.33. <code class="structname">pg_timezone_abbrevs</code> Columns</strong></p><div class="table-contents"><table class="table" summary="pg_timezone_abbrevs Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
10        Column Type
11       </p>
12       <p>
13        Description
14       </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
15        <code class="structfield">abbrev</code> <code class="type">text</code>
16       </p>
17       <p>
18        Time zone abbreviation
19       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
20        <code class="structfield">utc_offset</code> <code class="type">interval</code>
21       </p>
22       <p>
23        Offset from UTC (positive means east of Greenwich)
24       </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
25        <code class="structfield">is_dst</code> <code class="type">bool</code>
26       </p>
27       <p>
28        True if this is a daylight-savings abbreviation
29       </p></td></tr></tbody></table></div></div><br class="table-break" /><p>
30    While most timezone abbreviations represent fixed offsets from UTC,
31    there are some that have historically varied in value
32    (see <a class="xref" href="datetime-config-files.html" title="B.4. Date/Time Configuration Files">Section B.4</a> for more information).
33    In such cases this view presents their current meaning.
34   </p></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="view-pg-tables.html" title="53.32. pg_tables">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="views.html" title="Chapter 53. System Views">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="view-pg-timezone-names.html" title="53.34. pg_timezone_names">Next</a></td></tr><tr><td width="40%" align="left" valign="top">53.32. <code class="structname">pg_tables</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 18.0 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 53.34. <code class="structname">pg_timezone_names</code></td></tr></table></div></body></html>