July 21, 2026 · Caerphilly, Wales
Sunset in Caerphilly today is at 21:19. Day length is 15h 58m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Caerphilly's coordinates and updated daily.
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.
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 Caerphilly.
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 | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:31 | 08:14 | 8h 17m |
| February | 17:26 | 07:30 | 9h 55m |
| March | 18:15 | 06:31 | 11h 45m |
| April | 20:07 | 06:20 | 13h 47m |
| May | 20:57 | 05:23 | 15h 33m |
| June | 21:32 | 04:56 | 16h 36m |
| July | 21:26 | 05:12 | 16h 14m |
| August | 20:40 | 05:57 | 14h 43m |
| September | 19:32 | 06:47 | 12h 46m |
| October | 18:24 | 07:35 | 10h 48m |
| November | 16:26 | 07:30 | 8h 57m |
| December | 16:04 | 08:12 | 7h 52m |