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date_subtract

Subtract an interval from a timestamp with time zone, computing times of day and daylight-savings adjustments according to the time zone named by the third argument, or the current TimeZone setting if that is omitted. The form with two arguments is equivalent to the timestamp with time zone - interval operator.

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

Reading PG 18·Select a recorded version

group
datetime
group label
时间/日期函数和操作符
lang
en
layout
table-new
pages
functions-datetime.html
prose only
false

Definition PG 18

Subtract an interval from a timestamp with time zone, computing times of day and daylight-savings adjustments according to the time zone named by the third argument, or the current TimeZone setting if that is omitted. The form with two arguments is equivalent to the timestamp with time zone - interval operator.

Signatures and overloads

date_subtract ( timestamp with time zone, interval [, text] ) → timestamp with time zone → timestamp with time zone
Subtract an interval from a timestamp with time zone, computing times of day and daylight-savings adjustments according to the time zone named by the third argument, or the current TimeZone setting if that is omitted. The form with two arguments is equivalent to the timestamp with time zone - interval operator.

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Complete source facts

documentation revision

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Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:ae53c921bb2e866ee946ba4b6b06ee4ed77445ef0356d5b642fdefb14edd65f7

Text language: en · wiki-repair-20261023:ae53c921bb2e866ee946ba4b6b06ee4ed77445ef0356d5b642fdefb14edd65f7