July 21, 2026 · Tallaght, Ireland
Sunset in Tallaght today is at 21:40. Day length is 16h 15m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Tallaght's coordinates and updated daily.
Tallaght lies at 53°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 Tallaght.
The longest day in Tallaght is around 16h 59m (around June 21). The shortest is around 7h 31m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:36 | 08:34 | 8h 1m |
| February | 17:34 | 07:47 | 9h 47m |
| March | 18:27 | 06:44 | 11h 43m |
| April | 20:23 | 06:30 | 13h 54m |
| May | 21:17 | 05:29 | 15h 48m |
| June | 21:55 | 04:58 | 16h 57m |
| July | 21:48 | 05:16 | 16h 32m |
| August | 20:58 | 06:04 | 14h 53m |
| September | 19:46 | 06:58 | 12h 48m |
| October | 18:34 | 07:50 | 10h 44m |
| November | 16:33 | 07:49 | 8h 44m |
| December | 16:08 | 08:34 | 7h 34m |