Time in Jamestown, Saint Helena
Jamestown is on Greenwich Mean Time (GMT, UTC).
- Time zone
- Greenwich Mean Time
- UTC offset now
- UTC
- Daylight saving
- Not observed
- Country
- Saint Helena
- Region
- Saint Helena
- Sunrise today
- 5:58 am
- Sunset today
- 6:21 pm
- Day length
- 12 hours 23 minutes
- IANA time zone
- Atlantic/St_Helena
Jamestown doesn't change its clocks for daylight saving time.
Compare Jamestown with your time
Your own time zone comes first, then Jamestown. Add teammates or more cities, then click an hour to plan a meeting.
Time difference from Jamestown
Upcoming public holidays in Saint Helena, Saint Helena
Questions
What time zone is Jamestown in?
Jamestown is on Greenwich Mean Time (GMT, UTC). Its IANA time zone is Atlantic/St_Helena.
Does Jamestown have daylight saving time?
Jamestown doesn't change its clocks for daylight saving time.
What is the time difference between Jamestown and London?
London is 1 hour ahead of Jamestown.
Updated Sunday 11 October 2026