July 21, 2026 · Coleraine, Northern Ireland
Coleraine has 16h 34m of daylight today. Sunrise is at 05:16 and sunset is at 21:51. All times are calculated astronomically for Coleraine's exact coordinates.
Coleraine lies at 55°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 Coleraine, or see daylight hours for every day of the year.
The longest day in Coleraine is around 17h 24m (around June 21). The shortest is around 7h 8m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 7h 42m | 08:45 | 16:27 |
| February | 9h 37m | 07:53 | 17:30 |
| March | 11h 42m | 06:46 | 18:28 |
| April | 14h 2m | 06:27 | 20:28 |
| May | 16h 5m | 05:21 | 21:26 |
| June | 17h 21m | 04:47 | 22:08 |
| July | 16h 54m | 05:06 | 22:00 |
| August | 15h 6m | 05:59 | 21:05 |
| September | 12h 52m | 06:57 | 19:49 |
| October | 10h 38m | 07:54 | 18:32 |
| November | 8h 29m | 07:58 | 16:26 |
| December | 7h 12m | 08:46 | 15:58 |