July 21, 2026 · Newtownabbey, Northern Ireland
Sunset in Newtownabbey today is at 21:45. Day length is 16h 29m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Newtownabbey's coordinates and updated daily.
Newtownabbey lies at 55°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 Newtownabbey.
The longest day in Newtownabbey is around 17h 18m (around June 21). The shortest is around 7h 14m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 16:27 | 08:39 | 7h 47m |
| February | 17:29 | 07:49 | 9h 40m |
| March | 18:25 | 06:43 | 11h 42m |
| April | 20:24 | 06:25 | 13h 60m |
| May | 21:21 | 05:21 | 16h 1m |
| June | 22:02 | 04:48 | 17h 14m |
| July | 21:54 | 05:06 | 16h 48m |
| August | 21:01 | 05:58 | 15h 3m |
| September | 19:46 | 06:55 | 12h 51m |
| October | 18:30 | 07:51 | 10h 39m |
| November | 16:25 | 07:53 | 8h 33m |
| December | 15:58 | 08:40 | 7h 18m |