July 21, 2026 · Cardiff, Wales
Sunrise in Cardiff today is at 05:21. Day length is 15h 57m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Cardiff's coordinates and updated daily.
Cardiff 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 Cardiff.
The longest day in Cardiff is around 16h 38m (around June 21). The shortest is around 7h 50m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 08:13 | 16:31 | 8h 18m |
| February | 07:30 | 17:26 | 9h 56m |
| March | 06:31 | 18:15 | 11h 45m |
| April | 06:20 | 20:07 | 13h 47m |
| May | 05:24 | 20:56 | 15h 33m |
| June | 04:56 | 21:31 | 16h 35m |
| July | 05:12 | 21:26 | 16h 13m |
| August | 05:57 | 20:40 | 14h 42m |
| September | 06:46 | 19:32 | 12h 46m |
| October | 07:35 | 18:24 | 10h 49m |
| November | 07:29 | 16:27 | 8h 57m |
| December | 08:12 | 16:05 | 7h 53m |