July 21, 2026 · Riehen, Switzerland
Sunset in Riehen today is at 21:19. Day length is 15h 25m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Riehen's coordinates and updated daily.
Riehen lies at 48°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 Riehen.
The longest day in Riehen is around 15h 59m (around June 21). The shortest is around 8h 26m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:05 | 08:14 | 8h 51m |
| February | 17:52 | 07:37 | 10h 16m |
| March | 18:35 | 06:44 | 11h 51m |
| April | 20:18 | 06:42 | 13h 37m |
| May | 21:00 | 05:53 | 15h 7m |
| June | 21:29 | 05:32 | 15h 57m |
| July | 21:24 | 05:48 | 15h 37m |
| August | 20:44 | 06:26 | 14h 18m |
| September | 19:44 | 07:07 | 12h 37m |
| October | 18:44 | 07:48 | 10h 55m |
| November | 16:55 | 07:35 | 9h 20m |
| December | 16:39 | 08:11 | 8h 28m |