July 20, 2026 · Bonn, Germany
Sunrise in Bonn today is at 05:42. Day length is 15h 53m. See below for sunset, 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.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and 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 | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 08:28 | 16:55 | 8h 27m |
| February | 07:45 | 17:48 | 10h 3m |
| March | 06:47 | 18:36 | 11h 49m |
| April | 06:39 | 20:26 | 13h 48m |
| May | 05:44 | 21:14 | 15h 30m |
| June | 05:19 | 21:47 | 16h 28m |
| July | 05:36 | 21:40 | 16h 4m |
| August | 06:20 | 20:54 | 14h 35m |
| September | 07:07 | 19:48 | 12h 41m |
| October | 07:55 | 18:42 | 10h 47m |
| November | 07:47 | 16:47 | 8h 60m |
| December | 08:28 | 16:27 | 7h 60m |