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PostgreSQL 9.3.1 Documentation
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47.70. pg_timezone_abbrevs

The view pg_timezone_abbrevs provides a list of time zone abbreviations that are currently recognized by the datetime input routines. The contents of this view change when the timezone_abbreviations run-time parameter is modified.

Table 47-71. pg_timezone_abbrevs Columns

NameTypeDescription
abbrevtextTime zone abbreviation
utc_offsetintervalOffset from UTC (positive means east of Greenwich)
is_dstbooleanTrue if this is a daylight-savings abbreviation
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pg_tablesUppg_timezone_names