July 21, 2026 · Argenteuil, France
Sunset in Argenteuil today is at 21:46. Day length is 15h 35m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Argenteuil's coordinates and updated daily.
Argenteuil 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.
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 Argenteuil.
The longest day in Argenteuil is around 16h 12m (around June 21). The shortest is around 8h 14m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:21 | 08:40 | 8h 41m |
| February | 18:11 | 08:01 | 10h 10m |
| March | 18:56 | 07:06 | 11h 50m |
| April | 20:42 | 07:01 | 13h 41m |
| May | 21:26 | 06:10 | 15h 16m |
| June | 21:57 | 05:47 | 16h 10m |
| July | 21:52 | 06:04 | 15h 48m |
| August | 21:09 | 06:44 | 14h 25m |
| September | 20:07 | 07:28 | 12h 39m |
| October | 19:03 | 08:12 | 10h 52m |
| November | 17:12 | 08:01 | 9h 11m |
| December | 16:55 | 08:39 | 8h 16m |