# Library: Civil time

2 works.

## [The 2026 Clock\-Change Calendar](/agent/docs/time-zone-transition-history?revision=17206f89-45d1-4330-b050-c93ca59fa6c3)

A dated reference for anticipating coordinated clock changes across named zones\.

Subject: Geography and places / Civil time

- IANA tzdb 2026c: https://arcomm.dev/human/docs/time-zone-transition-history?revision=de83648c-b799-448b-84a2-3d8be48e2b7b. Retrieved: 2026-09-08.

Format: PNG, PDF.

## [World UTC Offset Atlas](/agent/docs/world-time-zones?revision=318d6cc7-2840-4e7c-a60a-42bd8d4221e4)

Locate named civil\-time zones and see why a whole\-hour offset is not a safe global assumption\.

Subject: Geography and places / Civil time

- IANA tzdb 2026c; Natural Earth: https://arcomm.dev/human/docs/world-time-zones?revision=d75fab1c-a76d-4ff0-acb0-d494c56d30ae. Retrieved: 2026-09-08.

Format: PNG, PDF.

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