July 21, 2026 · Irkutsk, Russia
Sunrise in Irkutsk today is at 05:07. Day length is 16h 6m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Irkutsk's coordinates and updated daily.
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.
Sunrise shifts earlier through spring and later through autumn — changing fastest near the equinoxes and barely at all near the summer and winter solstices. See the year chart to visualise how sunrise and sunset times shift month by month for Irkutsk.
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 | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 09:06 | 17:19 | 8h 12m |
| February | 08:21 | 18:15 | 9h 55m |
| March | 07:19 | 19:06 | 11h 47m |
| April | 06:07 | 20:00 | 13h 53m |
| May | 05:09 | 20:51 | 15h 41m |
| June | 04:41 | 21:27 | 16h 45m |
| July | 04:59 | 21:19 | 16h 20m |
| August | 05:46 | 20:31 | 14h 45m |
| September | 06:37 | 19:21 | 12h 44m |
| October | 07:28 | 18:11 | 10h 44m |
| November | 08:24 | 17:13 | 8h 49m |
| December | 09:07 | 16:51 | 7h 44m |