July 21, 2026 · Biysk, Russia
Sunset in Biysk today is at 21:30. Day length is 16h 8m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Biysk's coordinates and updated daily.
Biysk 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 Biysk.
The longest day in Biysk is around 16h 50m (around June 21). The shortest is around 7h 39m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:34 | 09:24 | 8h 10m |
| February | 18:31 | 08:37 | 9h 54m |
| March | 19:23 | 07:36 | 11h 47m |
| April | 20:17 | 06:23 | 13h 54m |
| May | 21:08 | 05:25 | 15h 44m |
| June | 21:44 | 04:56 | 16h 48m |
| July | 21:37 | 05:14 | 16h 23m |
| August | 20:48 | 06:02 | 14h 46m |
| September | 19:38 | 06:53 | 12h 44m |
| October | 18:27 | 07:44 | 10h 43m |
| November | 17:28 | 08:41 | 8h 47m |
| December | 17:06 | 09:24 | 7h 42m |