July 21, 2026 · Arvayheer, Mongolia
Arvayheer has 15h 16m of daylight today. Sunrise is at 05:38 and sunset is at 20:54. All times are calculated astronomically for Arvayheer's exact coordinates.
Arvayheer 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.
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 Arvayheer, or see daylight hours for every day of the year.
The longest day in Arvayheer is around 15h 47m (around June 21). The shortest is around 8h 36m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.
| Month | Day length | Sunrise | Sunset |
|---|---|---|---|
| January | 8h 60m | 08:49 | 17:49 |
| February | 10h 20m | 08:14 | 18:34 |
| March | 11h 50m | 07:24 | 19:14 |
| April | 13h 31m | 06:24 | 19:55 |
| May | 14h 57m | 05:37 | 20:35 |
| June | 15h 46m | 05:17 | 21:03 |
| July | 15h 27m | 05:32 | 20:59 |
| August | 14h 13m | 06:08 | 20:21 |
| September | 12h 36m | 06:47 | 19:23 |
| October | 10h 59m | 07:26 | 18:25 |
| November | 9h 28m | 08:10 | 17:38 |
| December | 8h 38m | 08:46 | 17:24 |