Daylight Hours › Sunset › Ulaanbaatar
Sunset in Ulaanbaatar today
October 25, 2026 · Ulaanbaatar, Mongolia
Capital844,818 people
Sunset in Ulaanbaatar today is at 17:48. Day length is 10h 22m. See below for sunrise, solar noon, dawn and dusk — all times calculated astronomically for Ulaanbaatar's coordinates and updated daily.
Ulaanbaatar lies at 48°N. In Ulaanbaatar, day length ranges from 8h 23m in winter to 16h 2m in summer — a swing of about 7h 39m.
The sun goes down towards the west-southwest in Ulaanbaatar today, at a bearing of 253°. Civil twilight then lasts another 32 minutes before it gets properly dark. The sun sets 9 minutes earlier in Ulaanbaatar than in Erdenet, 244 km to the west-northwest.
Through the year sunset drifts later across spring and earlier across 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 Ulaanbaatar.
The longest day in Ulaanbaatar is around 16h 2m (around June 21). The shortest is around 8h 23m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.
Sunset in Ulaanbaatar by month
| Month | Sunset | Sunrise | Day length |
|---|---|---|---|
| January | 17:26 | 08:38 | 8h 48m |
| February | 18:14 | 08:01 | 10h 14m |
| March | 18:57 | 07:08 | 11h 49m |
| April | 19:41 | 06:05 | 13h 37m |
| May | 20:24 | 05:16 | 15h 8m |
| June | 20:54 | 04:54 | 15h 60m |
| July | 20:49 | 05:09 | 15h 40m |
| August | 20:08 | 05:48 | 14h 21m |
| September | 19:08 | 06:30 | 12h 38m |
| October | 18:07 | 07:11 | 10h 55m |
| November | 17:17 | 07:58 | 9h 19m |
| December | 17:01 | 08:35 | 8h 25m |