July 21, 2026 · Southampton, England
Sunset in Southampton today is at 21:09. Day length is 15h 52m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Southampton's coordinates and updated daily.
Southampton lies at 51°N. At this latitude, day length varies significantly through the year — from roughly 7–8 hours in midwinter to 16–17 hours at midsummer.
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 Southampton.
The longest day in Southampton is around 16h 32m (around June 21). The shortest is around 7h 56m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:27 | 08:04 | 8h 23m |
| February | 17:20 | 07:21 | 9h 59m |
| March | 18:08 | 06:23 | 11h 45m |
| April | 19:59 | 06:14 | 13h 45m |
| May | 20:47 | 05:19 | 15h 28m |
| June | 21:21 | 04:52 | 16h 29m |
| July | 21:16 | 05:08 | 16h 8m |
| August | 20:31 | 05:52 | 14h 39m |
| September | 19:25 | 06:40 | 12h 45m |
| October | 18:17 | 07:27 | 10h 50m |
| November | 16:22 | 07:20 | 9h 1m |
| December | 16:00 | 08:02 | 7h 59m |