July 21, 2026 · Saint-Quentin-en-Yvelines, France
Saint-Quentin-en-Yvelines has 15h 34m of daylight today. Sunrise is at 06:12 and sunset is at 21:46. All times are calculated astronomically for Saint-Quentin-en-Yvelines's exact coordinates.
Saint-Quentin-en-Yvelines lies at 49°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 Saint-Quentin-en-Yvelines, or see daylight hours for every day of the year.
The longest day in Saint-Quentin-en-Yvelines is around 16h 10m (around June 21). The shortest is around 8h 15m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 8h 42m | 08:41 | 17:23 |
| February | 10h 11m | 08:01 | 18:13 |
| March | 11h 50m | 07:07 | 18:57 |
| April | 13h 41m | 07:02 | 20:43 |
| May | 15h 15m | 06:12 | 21:27 |
| June | 16h 8m | 05:49 | 21:57 |
| July | 15h 47m | 06:05 | 21:52 |
| August | 14h 24m | 06:45 | 21:09 |
| September | 12h 38m | 07:29 | 20:07 |
| October | 10h 52m | 08:12 | 19:05 |
| November | 9h 13m | 08:01 | 17:14 |
| December | 8h 18m | 08:39 | 16:57 |