Jamestown, Saint Helena
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Time in Jamestown, Saint Helena right now
Jamestown is the capital of Saint Helena. Clocks follow the Atlantic/St_Helena time zone, UTC+0, with no clock changes recorded for 2026 under current rules.
About 637 people set their clocks to this time in Jamestown alone.
Live clock for Jamestown
Local times come from your browser's IANA time zone data.
Jamestown time compared with UTC
Jamestown runs UTC+0 throughout 2026 under current rules. When it is 12:00 UTC the clock in Jamestown reads 12:00.
These examples use January 15 and July 15, 2026. Where clocks change, other dates can use a different offset. Use the live converter for your exact date.
| UTC | Jamestown |
|---|---|
| 00:00 | 00:00 |
| 03:00 | 03:00 |
| 06:00 | 06:00 |
| 09:00 | 09:00 |
| 12:00 | 12:00 |
| 15:00 | 15:00 |
| 18:00 | 18:00 |
| 21:00 | 21:00 |
When the clocks change in Jamestown
No clock changes are recorded for Jamestown in 2026 or 2027 under the time zone rules used for this build. The listed zones keep their UTC offsets during these years. Governments can revise these rules; future dates are projections.
Time difference from Jamestown
| City | In January | In July |
|---|---|---|
| New York City | 5 hours behind Jamestown | 4 hours behind Jamestown |
| London | the same time as Jamestown | 1 hour ahead of Jamestown |
| Paris | 1 hour ahead of Jamestown | 2 hours ahead of Jamestown |
| Dubai | 4 hours ahead of Jamestown | 4 hours ahead of Jamestown |
| Mumbai | 5:30 hours ahead of Jamestown | 5:30 hours ahead of Jamestown |
| Singapore | 8 hours ahead of Jamestown | 8 hours ahead of Jamestown |
| Tokyo | 9 hours ahead of Jamestown | 9 hours ahead of Jamestown |
| Sydney | 11 hours ahead of Jamestown | 10 hours ahead of Jamestown |
| Los Angeles | 8 hours behind Jamestown | 7 hours behind Jamestown |
| Sao Paulo | 3 hours behind Jamestown | 3 hours behind Jamestown |
Sunrise and sunset in Jamestown through the year
| Time of year | Sunrise | Sunset | Day length |
|---|---|---|---|
| March equinox (about Mar 20) | 06:26 | 18:33 | 12 h 07 m |
| June solstice (about Jun 21) | 06:49 | 18:00 | 11 h 11 m |
| September equinox (about Sep 22) | 06:12 | 18:18 | 12 h 06 m |
| December solstice (about Dec 21) | 05:48 | 18:53 | 13 h 04 m |
Computed for Jamestown's own coordinates with standard NOAA solar equations. Full twilight and golden hour detail lives on the Jamestown sunrise and sunset page.
Common questions about time in Jamestown
What time zone is Jamestown in?
Jamestown uses the Atlantic/St_Helena time zone: UTC+0 in January and throughout 2026 under current rules.
Does Jamestown change its clocks in 2026?
No clock changes are recorded for Jamestown in 2026. It keeps UTC+0 under current rules.
What is the time difference between Jamestown and New York City?
In January, New York City is 5 hours behind Jamestown; in July it is 4 hours behind Jamestown. The table above lists more cities.
City data from GeoNames (CC BY 4.0). Live times come from your browser's IANA time zone data; sun times use standard NOAA solar equations at Jamestown's coordinates.