Daylight duration
We show daylight length in Ulan Bator during December 2025 and the daylight length for the equinox and solstice for comparing. From December 1, 2025 until December 21, 2025, daylight becomes shorter. From December 22, 2025 until December 31, 2025, daylight becomes longer.
Sunrise and Sunset
Times of sunrise and sunset in Ulan Bator during December 2025.
Taking December 1, 2025 as reference, the sun rises at 08:20:30 at 122.57°ESE (East-southeast) and sets at 17:01:51 at 5.12°N (North). Sunrise and sunset take approximately 3.78 minutes to complete. Read more about sunrise and sunset.
Taking December 15, 2025 as reference, the sun rises at 08:34:57 at 124.96°ESE (East-southeast) and sets at 16:59:49 at 9.61°N (North). Sunrise and sunset take approximately 3.9 minutes to complete. Read more about sunrise and sunset.
Solar Events
| 2025 | Daylength | Dawn | Sunset | Solar Noon | Sunrise | Dusk | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec | Length | Difference | Ast. | Nau. | Civ. | Start | Azimuth | End | Start | Azimuth | End | Civ. | Nau. | Ast. | |
| 1 | 08h 41m 21s | - | 06:28 | 07:06 | 07:45 | 08:20 | 123°ESE | 08:24 | 12:41 | 16:58 | 5°N | 17:01 | 17:37 | 18:16 | 18:53 |
| 2 | 08h 39m 39s | -1.7m | 06:29 | 07:07 | 07:46 | 08:21 | 123°ESE | 08:25 | 12:41 | 16:57 | 5°N | 17:01 | 17:36 | 18:15 | 18:53 |
| 3 | 08h 38m 02s | -1.6m | 06:30 | 07:08 | 07:47 | 08:22 | 123°ESE | 08:26 | 12:42 | 16:57 | 6°N | 17:00 | 17:36 | 18:15 | 18:52 |
| 4 | 08h 36m 30s | -1.5m | 06:31 | 07:09 | 07:48 | 08:24 | 123°ESE | 08:27 | 12:42 | 16:56 | 6°N | 17:00 | 17:36 | 18:15 | 18:52 |
| 5 | 08h 35m 02s | -1.5m | 06:32 | 07:10 | 07:49 | 08:25 | 123°ESE | 08:29 | 12:42 | 16:56 | 6°N | 17:00 | 17:36 | 18:15 | 18:52 |
| 6 | 08h 33m 39s | -1.4m | 06:33 | 07:11 | 07:50 | 08:26 | 124°ESE | 08:30 | 12:43 | 16:56 | 7°N | 17:00 | 17:35 | 18:15 | 18:52 |
| 7 | 08h 32m 19s | -1.3m | 06:34 | 07:12 | 07:51 | 08:27 | 124°ESE | 08:31 | 12:43 | 16:55 | 7°N | 16:59 | 17:35 | 18:14 | 18:52 |
| 8 | 08h 31m 06s | -1.2m | 06:35 | 07:13 | 07:52 | 08:28 | 124°ESE | 08:32 | 12:44 | 16:55 | 7°N | 16:59 | 17:35 | 18:14 | 18:52 |
| 9 | 08h 29m 57s | -1.2m | 06:36 | 07:14 | 07:53 | 08:29 | 124°ESE | 08:33 | 12:44 | 16:55 | 8°N | 16:59 | 17:35 | 18:14 | 18:52 |
| 10 | 08h 28m 53s | -1.1m | 06:37 | 07:15 | 07:54 | 08:30 | 124°ESE | 08:34 | 12:45 | 16:55 | 8°N | 16:59 | 17:35 | 18:14 | 18:52 |
| 11 | 08h 27m 54s | -59s | 06:38 | 07:15 | 07:55 | 08:31 | 125°ESE | 08:35 | 12:45 | 16:55 | 8°N | 16:59 | 17:35 | 18:14 | 18:52 |
| 12 | 08h 27m 00s | -54s | 06:39 | 07:16 | 07:56 | 08:32 | 125°ESE | 08:36 | 12:46 | 16:55 | 9°N | 16:59 | 17:35 | 18:15 | 18:52 |
| 13 | 08h 26m 12s | -48s | 06:39 | 07:17 | 07:57 | 08:33 | 125°ESE | 08:37 | 12:46 | 16:55 | 9°N | 16:59 | 17:35 | 18:15 | 18:52 |
| 14 | 08h 25m 29s | -43s | 06:40 | 07:18 | 07:57 | 08:34 | 125°ESE | 08:38 | 12:46 | 16:55 | 9°N | 16:59 | 17:35 | 18:15 | 18:53 |
| 15 | 08h 24m 52s | -37s | 06:41 | 07:19 | 07:58 | 08:34 | 125°ESE | 08:38 | 12:47 | 16:55 | 10°N | 16:59 | 17:36 | 18:15 | 18:53 |
| 16 | 08h 24m 19s | -33s | 06:42 | 07:19 | 07:59 | 08:35 | 125°ESE | 08:39 | 12:47 | 16:56 | 10°N | 17:00 | 17:36 | 18:15 | 18:53 |
| 17 | 08h 23m 52s | -27s | 06:42 | 07:20 | 08:00 | 08:36 | 125°ESE | 08:40 | 12:48 | 16:56 | 10°N | 17:00 | 17:36 | 18:16 | 18:53 |
| 18 | 08h 23m 30s | -22s | 06:43 | 07:21 | 08:00 | 08:37 | 125°ESE | 08:41 | 12:48 | 16:56 | 10°N | 17:00 | 17:36 | 18:16 | 18:54 |
| 19 | 08h 23m 14s | -16s | 06:43 | 07:21 | 08:01 | 08:37 | 125°ESE | 08:41 | 12:49 | 16:57 | 11°N | 17:00 | 17:37 | 18:16 | 18:54 |
| 20 | 08h 23m 04s | -10s | 06:44 | 07:22 | 08:01 | 08:38 | 125°ESE | 08:42 | 12:49 | 16:57 | 11°N | 17:01 | 17:37 | 18:17 | 18:55 |
| 21 | 08h 22m 58s | -6s | 06:45 | 07:22 | 08:02 | 08:38 | 125°ESE | 08:42 | 12:50 | 16:57 | 11°N | 17:01 | 17:38 | 18:17 | 18:55 |
| 22 | 08h 22m 59s | +1s | 06:45 | 07:23 | 08:03 | 08:39 | 125°ESE | 08:43 | 12:50 | 16:58 | 12°N | 17:02 | 17:38 | 18:18 | 18:56 |
| 23 | 08h 23m 05s | +6s | 06:46 | 07:23 | 08:03 | 08:39 | 125°ESE | 08:43 | 12:51 | 16:59 | 12°N | 17:02 | 17:39 | 18:18 | 18:56 |
| 24 | 08h 23m 16s | +11s | 06:46 | 07:24 | 08:03 | 08:40 | 125°ESE | 08:44 | 12:51 | 16:59 | 12°N | 17:03 | 17:39 | 18:19 | 18:57 |
| 25 | 08h 23m 34s | +18s | 06:46 | 07:24 | 08:04 | 08:40 | 125°ESE | 08:44 | 12:52 | 17:00 | 12°N | 17:04 | 17:40 | 18:20 | 18:57 |
| 26 | 08h 23m 56s | +22s | 06:47 | 07:25 | 08:04 | 08:40 | 125°ESE | 08:44 | 12:52 | 17:00 | 13°N | 17:04 | 17:41 | 18:20 | 18:58 |
| 27 | 08h 24m 24s | +28s | 06:47 | 07:25 | 08:04 | 08:41 | 125°ESE | 08:45 | 12:53 | 17:01 | 13°N | 17:05 | 17:41 | 18:21 | 18:59 |
| 28 | 08h 24m 57s | +33s | 06:47 | 07:25 | 08:05 | 08:41 | 125°ESE | 08:45 | 12:53 | 17:02 | 13°N | 17:06 | 17:42 | 18:22 | 18:59 |
| 29 | 08h 25m 35s | +38s | 06:48 | 07:25 | 08:05 | 08:41 | 125°ESE | 08:45 | 12:54 | 17:03 | 13°N | 17:07 | 17:43 | 18:22 | 19:00 |
| 30 | 08h 26m 20s | +45s | 06:48 | 07:26 | 08:05 | 08:41 | 125°ESE | 08:45 | 12:54 | 17:04 | 14°N | 17:08 | 17:44 | 18:23 | 19:01 |
| 31 | 08h 27m 10s | +50s | 06:48 | 07:26 | 08:05 | 08:41 | 125°ESE | 08:45 | 12:55 | 17:05 | 14°N | 17:08 | 17:45 | 18:24 | 19:02 |
