July 21, 2026 · Rennes, France
Sunrise in Rennes today is at 06:29. Day length is 15h 29m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Rennes's coordinates and updated daily.
Rennes lies at 48°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 Rennes.
The longest day in Rennes is around 16h 4m (around June 21). The shortest is around 8h 21m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 08:54 | 17:39 | 8h 45m |
| February | 08:17 | 18:27 | 10h 11m |
| March | 07:23 | 19:10 | 11h 47m |
| April | 07:20 | 20:55 | 13h 35m |
| May | 06:30 | 21:38 | 15h 8m |
| June | 06:07 | 22:09 | 16h 2m |
| July | 06:22 | 22:05 | 15h 43m |
| August | 07:00 | 21:24 | 14h 24m |
| September | 07:43 | 20:24 | 12h 41m |
| October | 08:25 | 19:22 | 10h 57m |
| November | 08:12 | 17:32 | 9h 19m |
| December | 08:50 | 17:14 | 8h 24m |