July 21, 2026 · Altai, Mongolia
Sunrise in Altai today is at 05:04. Day length is 15h 17m. See below for sunset, solar noon, dawn and dusk — all times calculated astronomically for Altai's coordinates and updated daily.
Altai lies at 46°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 Altai.
The longest day in Altai is around 15h 48m (around June 21). The shortest is around 8h 35m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 08:15 | 17:14 | 8h 59m |
| February | 07:40 | 18:00 | 10h 20m |
| March | 06:50 | 18:40 | 11h 50m |
| April | 05:50 | 19:22 | 13h 32m |
| May | 05:03 | 20:01 | 14h 58m |
| June | 04:43 | 20:30 | 15h 47m |
| July | 04:58 | 20:25 | 15h 28m |
| August | 05:34 | 19:47 | 14h 13m |
| September | 06:13 | 18:50 | 12h 37m |
| October | 06:52 | 17:51 | 10h 59m |
| November | 07:37 | 17:04 | 9h 28m |
| December | 08:12 | 16:49 | 8h 37m |