July 21, 2026 · Jamestown, Saint Helena
Sunset in Jamestown today is at 18:09. Day length is 11h 18m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Jamestown's coordinates and updated daily.
Jamestown lies at 16°S. Near the tropics, day length stays close to 12 hours year-round, with only minor variation between seasons.
Sunset shifts later through spring and earlier through autumn — changing fastest near the equinoxes and slowest near the summer and winter solstices. See the year chart to visualise how sunset times shift month by month for Jamestown.
The longest day in Jamestown is around 13h 4m (around December 21). The shortest is around 11h 11m (around June 21).
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 19:02 | 06:03 | 12h 59m |
| February | 18:57 | 06:19 | 12h 38m |
| March | 18:39 | 06:27 | 12h 13m |
| April | 18:17 | 06:31 | 11h 45m |
| May | 18:02 | 06:38 | 11h 23m |
| June | 18:00 | 06:48 | 11h 11m |
| July | 18:07 | 06:52 | 11h 15m |
| August | 18:15 | 06:42 | 11h 34m |
| September | 18:19 | 06:20 | 11h 59m |
| October | 18:22 | 05:57 | 12h 26m |
| November | 18:33 | 05:43 | 12h 50m |
| December | 18:50 | 05:46 | 13h 4m |