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Ulaanbaatar, Mongolia — Sunrise, Sunset, and Daylength, September 2025

Daylight

8:37 am – 5:00 pm
8 hours, 23 minutes

Current Time: Dec 19, 2025 at 5:12:54 pm
Sun Direction: 237° Southwest
Sun Altitude: -1.6°
Sun Distance: 147.198 million km
Next Solstice: Dec 21, 2025 11:03 pm (Winter)
Sunrise Today: 8:37 am 125° Southeast
Sunset Today: 5:00 pm 235° Southwest

2025 Sun Graph for Ulaanbaatar

September 2025 — Sun in Ulaanbaatar

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2025 Sunrise/Sunset Daylength Astronomical Twilight Nautical Twilight Civil Twilight Solar Noon
Sep Sunrise Sunset Length Diff. Start End Start End Start End Time Mil. km
1 6:10 am (77°) 7:33 pm (283°) 13:23:16 −3:20 4:16 am 9:26 pm 4:59 am 8:44 pm 5:38 am 8:05 pm 12:52 pm (50.3°) 150.975
2 6:11 am (77°) 7:31 pm (283°) 13:19:55 −3:21 4:18 am 9:23 pm 5:00 am 8:42 pm 5:39 am 8:03 pm 12:52 pm (49.9°) 150.938
3 6:12 am (78°) 7:29 pm (282°) 13:16:34 −3:21 4:20 am 9:21 pm 5:02 am 8:39 pm 5:40 am 8:01 pm 12:51 pm (49.5°) 150.902
4 6:14 am (78°) 7:27 pm (281°) 13:13:12 −3:22 4:22 am 9:18 pm 5:03 am 8:37 pm 5:42 am 7:59 pm 12:51 pm (49.2°) 150.864
5 6:15 am (79°) 7:25 pm (281°) 13:09:49 −3:22 4:24 am 9:16 pm 5:05 am 8:35 pm 5:43 am 7:57 pm 12:51 pm (48.8°) 150.827
6 6:17 am (79°) 7:23 pm (280°) 13:06:26 −3:22 4:26 am 9:13 pm 5:07 am 8:33 pm 5:45 am 7:55 pm 12:50 pm (48.4°) 150.790
7 6:18 am (80°) 7:21 pm (280°) 13:03:03 −3:23 4:28 am 9:11 pm 5:08 am 8:30 pm 5:46 am 7:53 pm 12:50 pm (48.1°) 150.752
8 6:19 am (81°) 7:19 pm (279°) 12:59:39 −3:23 4:29 am 9:08 pm 5:10 am 8:28 pm 5:48 am 7:50 pm 12:50 pm (47.7°) 150.714
9 6:21 am (81°) 7:17 pm (279°) 12:56:15 −3:24 4:31 am 9:06 pm 5:11 am 8:26 pm 5:49 am 7:48 pm 12:49 pm (47.3°) 150.676
10 6:22 am (82°) 7:15 pm (278°) 12:52:51 −3:24 4:33 am 9:03 pm 5:13 am 8:24 pm 5:50 am 7:46 pm 12:49 pm (46.9°) 150.638
11 6:23 am (82°) 7:13 pm (277°) 12:49:26 −3:24 4:35 am 9:01 pm 5:14 am 8:21 pm 5:52 am 7:44 pm 12:48 pm (46.6°) 150.600
12 6:25 am (83°) 7:11 pm (277°) 12:46:01 −3:24 4:36 am 8:58 pm 5:16 am 8:19 pm 5:53 am 7:42 pm 12:48 pm (46.2°) 150.562
13 6:26 am (83°) 7:09 pm (276°) 12:42:36 −3:25 4:38 am 8:56 pm 5:17 am 8:17 pm 5:55 am 7:40 pm 12:48 pm (45.8°) 150.524
14 6:27 am (84°) 7:07 pm (276°) 12:39:10 −3:25 4:40 am 8:54 pm 5:19 am 8:15 pm 5:56 am 7:38 pm 12:47 pm (45.4°) 150.485
15 6:29 am (85°) 7:04 pm (275°) 12:35:45 −3:25 4:42 am 8:51 pm 5:20 am 8:13 pm 5:58 am 7:36 pm 12:47 pm (45.0°) 150.446
16 6:30 am (85°) 7:02 pm (275°) 12:32:19 −3:25 4:43 am 8:49 pm 5:22 am 8:10 pm 5:59 am 7:33 pm 12:47 pm (44.6°) 150.407
17 6:31 am (86°) 7:00 pm (274°) 12:28:53 −3:26 4:45 am 8:46 pm 5:23 am 8:08 pm 6:00 am 7:31 pm 12:46 pm (44.3°) 150.367
18 6:33 am (86°) 6:58 pm (273°) 12:25:26 −3:26 4:47 am 8:44 pm 5:25 am 8:06 pm 6:02 am 7:29 pm 12:46 pm (43.9°) 150.327
19 6:34 am (87°) 6:56 pm (273°) 12:22:00 −3:26 4:48 am 8:42 pm 5:26 am 8:04 pm 6:03 am 7:27 pm 12:46 pm (43.5°) 150.287
20 6:36 am (87°) 6:54 pm (272°) 12:18:33 −3:26 4:50 am 8:39 pm 5:28 am 8:02 pm 6:05 am 7:25 pm 12:45 pm (43.1°) 150.246
21 6:37 am (88°) 6:52 pm (272°) 12:15:07 −3:26 4:52 am 8:37 pm 5:29 am 7:59 pm 6:06 am 7:23 pm 12:45 pm (42.7°) 150.205
22 6:38 am (89°) 6:50 pm (271°) 12:11:40 −3:26 4:53 am 8:35 pm 5:31 am 7:57 pm 6:07 am 7:21 pm 12:45 pm (42.3°) 150.164
23 6:40 am (89°) 6:48 pm (271°) 12:08:13 −3:26 4:55 am 8:32 pm 5:32 am 7:55 pm 6:09 am 7:19 pm 12:44 pm (41.9°) 150.122
24 6:41 am (90°) 6:46 pm (270°) 12:04:46 −3:26 4:56 am 8:30 pm 5:34 am 7:53 pm 6:10 am 7:17 pm 12:44 pm (41.5°) 150.080
25 6:42 am (90°) 6:44 pm (269°) 12:01:19 −3:26 4:58 am 8:28 pm 5:35 am 7:51 pm 6:12 am 7:15 pm 12:44 pm (41.2°) 150.038
26 6:44 am (91°) 6:42 pm (269°) 11:57:53 −3:26 4:59 am 8:26 pm 5:37 am 7:49 pm 6:13 am 7:13 pm 12:43 pm (40.8°) 149.995
27 6:45 am (92°) 6:40 pm (268°) 11:54:26 −3:26 5:01 am 8:23 pm 5:38 am 7:47 pm 6:14 am 7:10 pm 12:43 pm (40.4°) 149.952
28 6:47 am (92°) 6:38 pm (268°) 11:50:59 −3:26 5:03 am 8:21 pm 5:40 am 7:44 pm 6:16 am 7:08 pm 12:43 pm (40.0°) 149.909
29 6:48 am (93°) 6:36 pm (267°) 11:47:32 −3:26 5:04 am 8:19 pm 5:41 am 7:42 pm 6:17 am 7:06 pm 12:42 pm (39.6°) 149.865
30 6:49 am (93°) 6:33 pm (266°) 11:44:06 −3:26 5:06 am 8:17 pm 5:42 am 7:40 pm 6:18 am 7:04 pm 12:42 pm (39.2°) 149.822
* All times are local time for Ulaanbaatar. They take into account refraction. Dates are based on the Gregorian calendar.

The September equinox (autumnal equinox) in Ulaanbaatar is at 2:19 am on Tuesday, September 23, 2025.
Why is the day and night not exactly 12 hours on equinox?

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