July 21, 2026 · Alphen aan den Rijn, Netherlands
Alphen aan den Rijn has 16h 3m of daylight today. Sunrise is at 05:47 and sunset is at 21:50. All times are calculated astronomically for Alphen aan den Rijn's exact coordinates.
Alphen aan den Rijn lies at 52°N. At this latitude, day length varies significantly through the year — from roughly 7–8 hours in midwinter to 16–17 hours at midsummer.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Alphen aan den Rijn, or see daylight hours for every day of the year.
The longest day in Alphen aan den Rijn is around 16h 45m (around June 21). The shortest is around 7h 43m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 8h 15m | 08:44 | 16:59 |
| February | 9h 56m | 07:58 | 17:55 |
| March | 11h 48m | 06:57 | 18:45 |
| April | 13h 53m | 06:46 | 20:39 |
| May | 15h 41m | 05:48 | 21:29 |
| June | 16h 43m | 05:21 | 22:04 |
| July | 16h 18m | 05:39 | 21:57 |
| August | 14h 43m | 06:25 | 21:08 |
| September | 12h 43m | 07:16 | 19:59 |
| October | 10h 43m | 08:06 | 18:49 |
| November | 8h 50m | 08:02 | 16:52 |
| December | 7h 46m | 08:44 | 16:30 |