July 20, 2026 · Riverside, USA
Sunset in Riverside today is at 20:00. Day length is 14h 6m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Riverside's coordinates and updated daily.
Riverside lies at 34°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 Riverside.
The longest day in Riverside is around 14h 25m (around June 21). The shortest is around 9h 53m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:03 | 06:56 | 10h 7m |
| February | 17:33 | 06:36 | 10h 57m |
| March | 18:57 | 07:02 | 11h 55m |
| April | 19:20 | 06:21 | 12h 60m |
| May | 19:44 | 05:50 | 13h 54m |
| June | 20:03 | 05:39 | 14h 24m |
| July | 20:03 | 05:50 | 14h 13m |
| August | 19:39 | 06:11 | 13h 28m |
| September | 18:59 | 06:33 | 12h 26m |
| October | 18:18 | 06:54 | 11h 24m |
| November | 16:48 | 06:22 | 10h 26m |
| December | 16:43 | 06:48 | 9h 55m |