July 20, 2026 · Bonn, Germany
Sunset in Bonn today is at 21:35. Day length is 15h 53m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Bonn's coordinates and updated daily.
Bonn 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 Bonn.
The longest day in Bonn is around 16h 30m (around June 21). The shortest is around 7h 57m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:55 | 08:28 | 8h 27m |
| February | 17:48 | 07:45 | 10h 3m |
| March | 18:36 | 06:47 | 11h 49m |
| April | 20:26 | 06:39 | 13h 48m |
| May | 21:14 | 05:44 | 15h 30m |
| June | 21:47 | 05:19 | 16h 28m |
| July | 21:40 | 05:36 | 16h 4m |
| August | 20:54 | 06:20 | 14h 35m |
| September | 19:48 | 07:07 | 12h 41m |
| October | 18:42 | 07:55 | 10h 47m |
| November | 16:47 | 07:47 | 8h 60m |
| December | 16:27 | 08:28 | 7h 60m |