July 21, 2026 · Dudelange, Luxembourg
Sunset in Dudelange today is at 21:33. Day length is 15h 40m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Dudelange's coordinates and updated daily.
Dudelange 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 Dudelange.
The longest day in Dudelange is around 16h 17m (around June 21). The shortest is around 8h 9m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:04 | 08:27 | 8h 37m |
| February | 17:55 | 07:47 | 10h 8m |
| March | 18:40 | 06:51 | 11h 50m |
| April | 20:28 | 06:45 | 13h 43m |
| May | 21:13 | 05:53 | 15h 20m |
| June | 21:44 | 05:29 | 16h 15m |
| July | 21:39 | 05:46 | 15h 53m |
| August | 20:55 | 06:27 | 14h 28m |
| September | 19:52 | 07:12 | 12h 39m |
| October | 18:47 | 07:57 | 10h 50m |
| November | 16:55 | 07:47 | 9h 8m |
| December | 16:37 | 08:26 | 8h 11m |