Africa Β· Western Africa Β· Dependency
Current time in Saint Helena, Ascension and Tristan da Cunha
A single time zone at null.
Friday, June 5, 2026
About Saint Helena, Ascension and Tristan da Cunha's time
A single time zone.
Saint Helena, Ascension and Tristan da Cunha operates on a single timezone β Atlantic/St_Helena (GMT) β simple enough to keep track of, with no daylight saving adjustments to worry about.
Major cities
Cities of Saint Helena, Ascension and Tristan da Cunha.
History
How Saint Helena, Ascension and Tristan da Cunha keeps time.
Saint Helena adopted Greenwich Mean Time (UTC+0) in 1957, aligning with practical considerations for its position in the South Atlantic Ocean.
The territory kept consistent time standards without daylight saving time transitions, maintaining straightforward coordination with international shipping and communication networks.
Did you know?
Things about Saint Helena, Ascension and Tristan da Cunha's time.
Being a remote archipelago in the South Atlantic, the consistent GMT offset serves as a practical anchor for administrative operations across the islands, with no complications from daylight saving shifts.
Frequently asked questions
Common questions about Saint Helena, Ascension and Tristan da Cunha's time zone, daylight saving rules, and how to handle it in software. Can't find what you need? Email [email protected].
- What time zone is Saint Helena, Ascension and Tristan da Cunha in?
- The territory uses Atlantic/St_Helena (GMT) as its single timezone.
- Does Saint Helena observe daylight saving time?
- No, Saint Helena, Ascension and Tristan da Cunha remains on GMT year-round.
- How many time zones does Saint Helena have?
- There is one timezone across the entire territory β Atlantic/St_Helena (GMT).
- Is the time zone complicated?
- Not at all β it's just one straightforward UTC+0 zone with no daylight saving changes.
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