Subtracts the specified interval from the current timestamp, and returns it as a TIMESTAMPTZ value. For more information, see Arithmetic with intervals.

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Syntax

AGO(<interval>)

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Parameters

ParameterDescription
<interval>An interval literal representing substracted a duration.

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Return Type

TIMESTAMPTZ

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Example

The following example assumes that the current Unix timestamp is 2023-03-03 14:42:31.123456 UTC. 
SET time_zone = 'Europe/Berlin';
SELECT CURRENT_TIMESTAMP;  --> 2023-03-03 15:42:31.123456+01
SELECT AGO('1h');  --> 2023-03-03 14:42:31.123456+01