July 21, 2026 · Dundalk, Ireland
Sunset in Dundalk today is at 21:44. Day length is 16h 22m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Dundalk's coordinates and updated daily.
Dundalk lies at 54°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 Dundalk.
The longest day in Dundalk is around 17h 9m (around June 21). The shortest is around 7h 22m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:32 | 08:38 | 7h 54m |
| February | 17:32 | 07:49 | 9h 43m |
| March | 18:27 | 06:44 | 11h 43m |
| April | 20:25 | 06:28 | 13h 57m |
| May | 21:20 | 05:26 | 15h 54m |
| June | 22:00 | 04:54 | 17h 6m |
| July | 21:52 | 05:12 | 16h 40m |
| August | 21:00 | 06:02 | 14h 58m |
| September | 19:47 | 06:57 | 12h 50m |
| October | 18:33 | 07:52 | 10h 41m |
| November | 16:30 | 07:52 | 8h 38m |
| December | 16:04 | 08:38 | 7h 26m |