July 21, 2026 · St. Petersburg, USA
Sunset in St. Petersburg today is at 20:28. Day length is 13h 40m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for St. Petersburg's coordinates and updated daily.
St. Petersburg lies at 28°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 St. Petersburg.
The longest day in St. Petersburg is around 13h 54m (around June 21). The shortest is around 10h 23m (around December 21). Days are currently getting shorter — losing about 1 minute per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:57 | 07:24 | 10h 34m |
| February | 18:22 | 07:10 | 11h 12m |
| March | 19:39 | 07:42 | 11h 57m |
| April | 19:55 | 07:08 | 12h 48m |
| May | 20:13 | 06:43 | 13h 30m |
| June | 20:28 | 06:35 | 13h 53m |
| July | 20:30 | 06:45 | 13h 45m |
| August | 20:11 | 07:01 | 13h 10m |
| September | 19:38 | 07:16 | 12h 22m |
| October | 19:04 | 07:31 | 11h 33m |
| November | 17:40 | 06:52 | 10h 48m |
| December | 17:38 | 07:14 | 10h 24m |