July 21, 2026 · Irkutsk, Russia
Irkutsk has 16h 6m of daylight today. Sunrise is at 05:07 and sunset is at 21:13. All times are calculated astronomically for Irkutsk's exact coordinates.
Irkutsk lies at 52°N. At this latitude, day length varies significantly through the year — from roughly 7–8 hours in midwinter to 16–17 hours at midsummer.
Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Irkutsk, or see daylight hours for every day of the year.
The longest day in Irkutsk is around 16h 47m (around June 21). The shortest is around 7h 41m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 8h 12m | 09:06 | 17:19 |
| February | 9h 55m | 08:21 | 18:15 |
| March | 11h 47m | 07:19 | 19:06 |
| April | 13h 53m | 06:07 | 20:00 |
| May | 15h 41m | 05:09 | 20:51 |
| June | 16h 45m | 04:41 | 21:27 |
| July | 16h 20m | 04:59 | 21:19 |
| August | 14h 45m | 05:46 | 20:31 |
| September | 12h 44m | 06:37 | 19:21 |
| October | 10h 44m | 07:28 | 18:11 |
| November | 8h 49m | 08:24 | 17:13 |
| December | 7h 44m | 09:07 | 16:51 |