Antarctic · Dependency
Current time in Heard Island and McDonald Islands
No official time zone is designated.
Wednesday, October 14, 2026
About Heard Island and McDonald Islands's time
No official time zone.
Heard Island and McDonald Islands are uninhabited sub-Antarctic Australian territories with no permanent population and no officially designated time zone.
Frequently asked questions
Common questions about Heard Island and McDonald Islands's time zone, daylight saving rules, and how to handle it in software. Can't find what you need? Email [email protected].
- What time is it on Heard Island and McDonald Islands?
- Heard Island and McDonald Islands have no official time zone. They are uninhabited and have no permanent population, so no standard time is formally defined.
- What UTC offset should I use if communicating about the islands?
- The islands have no official UTC offset. By longitude (about 73°E) they fall in the UTC+05:00 nautical time band; when communicating, it is clearest to give times in UTC.
- Do the islands observe daylight saving time?
- No. Since there is no designated time zone and no permanent population, daylight saving time is not observed.
- Are there multiple time zones?
- No. The islands have zero time zones due to their uninhabited status.
Source: IANA tzdb2026d · Reviewed
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