July 21, 2026 · Dundalk, Ireland
Dundalk has 16h 22m of daylight today. Sunrise is at 05:22 and sunset is at 21:44. All times are calculated astronomically for Dundalk's exact coordinates.
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.
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 Dundalk, or see daylight hours for every day of the year.
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 | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 7h 54m | 08:38 | 16:32 |
| February | 9h 43m | 07:49 | 17:32 |
| March | 11h 43m | 06:44 | 18:27 |
| April | 13h 57m | 06:28 | 20:25 |
| May | 15h 54m | 05:26 | 21:20 |
| June | 17h 6m | 04:54 | 22:00 |
| July | 16h 40m | 05:12 | 21:52 |
| August | 14h 58m | 06:02 | 21:00 |
| September | 12h 50m | 06:57 | 19:47 |
| October | 10h 41m | 07:52 | 18:33 |
| November | 8h 38m | 07:52 | 16:30 |
| December | 7h 26m | 08:38 | 16:04 |