July 20, 2026 · Arlington, USA
Sunset in Arlington today is at 20:31. Day length is 14h 31m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Arlington's coordinates and updated daily.
Arlington lies at 39°N. At this latitude, day length varies moderately — from around 10 hours in midwinter to 14–15 hours in 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 Arlington.
The longest day in Arlington is around 14h 54m (around June 21). The shortest is around 9h 26m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:10 | 07:26 | 9h 43m |
| February | 17:45 | 07:02 | 10h 43m |
| March | 19:15 | 07:22 | 11h 52m |
| April | 19:44 | 06:34 | 13h 10m |
| May | 20:13 | 05:58 | 14h 16m |
| June | 20:36 | 05:43 | 14h 52m |
| July | 20:34 | 05:55 | 14h 39m |
| August | 20:06 | 06:22 | 13h 44m |
| September | 19:20 | 06:50 | 12h 30m |
| October | 18:33 | 07:17 | 11h 16m |
| November | 16:57 | 06:51 | 10h 6m |
| December | 16:48 | 07:20 | 9h 28m |