July 21, 2026 · Caerphilly, Wales
Caerphilly has 15h 58m of daylight today. Sunrise is at 05:21 and sunset is at 21:19. All times are calculated astronomically for Caerphilly's exact coordinates.
Caerphilly 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 Caerphilly, or see daylight hours for every day of the year.
The longest day in Caerphilly is around 16h 39m (around June 21). The shortest is around 7h 49m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 8h 17m | 08:14 | 16:31 |
| February | 9h 55m | 07:30 | 17:26 |
| March | 11h 45m | 06:31 | 18:15 |
| April | 13h 47m | 06:20 | 20:07 |
| May | 15h 33m | 05:23 | 20:57 |
| June | 16h 36m | 04:56 | 21:32 |
| July | 16h 14m | 05:12 | 21:26 |
| August | 14h 43m | 05:57 | 20:40 |
| September | 12h 46m | 06:47 | 19:32 |
| October | 10h 48m | 07:35 | 18:24 |
| November | 8h 57m | 07:30 | 16:26 |
| December | 7h 52m | 08:12 | 16:04 |