St. Helena · 15.94°S, 5.72°W
Daylight hours in Jamestown
Jamestown gets 13h 05m of daylight on its longest day, around December 21, and 11h 11m on its shortest, around June 21: a swing of 1h 54m across the year. Its summer is in December.
Today in Jamestown
Sunrise–
Sunset–
Daylight–
vs yesterday–
Sunrise and sunset through the year
Local time, including daylight saving time where Jamestown observes it, which is why the lines can jump by an hour. The shaded band is daylight. 2026 dates.
Key days
Longest day13h 05mDecember 21 · 05:49–18:54
Shortest day11h 11mJune 21 · 06:50–18:01
March equinox12h 07mMarch 20 · 06:28–18:35
Fastest change−0.9 min/dayaround March 15
Daylight by month
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January 1 | 05:55 | 18:59 | 13h 03m |
| February 1 | 06:13 | 19:01 | 12h 48m |
| March 1 | 06:24 | 18:49 | 12h 25m |
| April 1 | 06:29 | 18:26 | 11h 57m |
| May 1 | 06:35 | 18:07 | 11h 32m |
| June 1 | 06:44 | 17:59 | 11h 14m |
| July 1 | 06:52 | 18:03 | 11h 12m |
| August 1 | 06:48 | 18:12 | 11h 25m |
| September 1 | 06:30 | 18:18 | 11h 48m |
| October 1 | 06:06 | 18:20 | 12h 14m |
| November 1 | 05:47 | 18:28 | 12h 41m |
| December 1 | 05:43 | 18:43 | 13h 00m |
Cities with similar daylight
These cities sit within 3° of Jamestown’s latitude in the same hemisphere, so their days grow and shrink almost in step:
- Brasília 15.78°S
- Lusaka 15.41°S
- Santa Cruz de la Sierra 17.79°S
- Harare 17.83°S
- Salvador 12.97°S
- Antananarivo 18.91°S
Its mirror images are across the equator at a similar distance from it. Their longest days come when Jamestown’s are shortest:
More: all cities between 10°–20° South · compare Jamestown with any city