July 21, 2026 · Dumbarton, Scotland
Sunrise in Dumbarton today is at 05:03. Day length is 16h 44m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Dumbarton's coordinates and updated daily.
Dumbarton lies at 56°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 Dumbarton.
The longest day in Dumbarton is around 17h 36m (around June 21). The shortest is around 6h 58m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 08:41 | 16:14 | 7h 33m |
| February | 07:47 | 17:20 | 9h 32m |
| March | 06:38 | 18:19 | 11h 41m |
| April | 06:17 | 20:22 | 14h 5m |
| May | 05:09 | 21:22 | 16h 13m |
| June | 04:33 | 22:06 | 17h 33m |
| July | 04:52 | 21:57 | 17h 5m |
| August | 05:48 | 21:00 | 15h 12m |
| September | 06:48 | 19:41 | 12h 53m |
| October | 07:47 | 18:23 | 10h 35m |
| November | 07:53 | 16:14 | 8h 22m |
| December | 08:43 | 15:45 | 7h 2m |