Functions / Uuid Functions

uuid_extract_timestamp

Extracts a timestamp with time zone from a UUID of version 1 or 7.

Reading PG 18current·documented in 4 of 27 versions, 17 to 20

7.1 7.2 7.3 7.4 8.0 8.1 8.2 8.3 8.4 9.0 9.1 9.2 9.3 9.4 9.5 9.6 10 11 12 13 14 15 16 17 18 19 20

Signatures & examples

uuid_extract_timestamp ( uuid ) → timestamp with time zone

Extracts a timestamp with time zone from a UUID of version 1 or 7. For other versions, this function returns null. Note that the extracted timestamp is not necessarily exactly equal to the time the UUID was generated; this depends on the implementation that generated the UUID.

uuid_extract_timestamp('019535d9-3df7-79fb-b466-fa907fa17f9e'::uuid) → 2025-02-23 21:46:24.503-05

Version history 3

19 → 20 changed
17 → 18 changed
16 → 17 added

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source