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Irkutsk, Russia — Sunrise, Sunset, and Daylength, September 2025

Daylight

06:30 – 19:27
12 hours, 57 minutes

Current Time: 11 Sep 2025, 01:07:07
Sun Direction: 2° North
Sun Altitude: -33.0°
Sun Distance: 150.620 million km
Next Equinox: 23 Sep 2025 02:19 (Autumnal)
Sunrise Today: 06:30 81° East
Sunset Today: 19:27 278° West

2025 Sun Graph for Irkutsk

September 2025 — Sun in Irkutsk

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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 06:14 (75°) 19:50 (284°) 13:36:42 −3:55 04:05 21:58 04:54 21:09 05:38 20:26 13:02 (45.9°) 150.975
2 06:15 (76°) 19:48 (284°) 13:32:46 −3:56 04:08 21:55 04:56 21:07 05:40 20:23 13:02 (45.5°) 150.938
3 06:17 (76°) 19:46 (283°) 13:28:50 −3:56 04:10 21:52 04:58 21:04 05:41 20:21 13:02 (45.2°) 150.901
4 06:18 (77°) 19:43 (283°) 13:24:53 −3:57 04:12 21:49 05:00 21:01 05:43 20:19 13:01 (44.8°) 150.864
5 06:20 (78°) 19:41 (282°) 13:20:55 −3:57 04:15 21:45 05:02 20:59 05:45 20:16 13:01 (44.4°) 150.827
6 06:22 (78°) 19:39 (281°) 13:16:57 −3:57 04:17 21:42 05:04 20:56 05:47 20:14 13:01 (44.1°) 150.789
7 06:23 (79°) 19:36 (281°) 13:12:59 −3:58 04:20 21:39 05:06 20:54 05:48 20:11 13:00 (43.7°) 150.752
8 06:25 (80°) 19:34 (280°) 13:09:01 −3:58 04:22 21:36 05:08 20:51 05:50 20:09 13:00 (43.3°) 150.714
9 06:27 (80°) 19:32 (279°) 13:05:02 −3:58 04:24 21:34 05:10 20:48 05:52 20:06 13:00 (42.9°) 150.676
10 06:28 (81°) 19:29 (279°) 13:01:03 −3:59 04:26 21:31 05:12 20:46 05:54 20:04 12:59 (42.6°) 150.638
11 06:30 (81°) 19:27 (278°) 12:57:03 −3:59 04:29 21:28 05:14 20:43 05:55 20:02 12:59 (42.2°) 150.600
12 06:32 (82°) 19:25 (278°) 12:53:03 −3:59 04:31 21:25 05:15 20:40 05:57 19:59 12:59 (41.8°) 150.562
13 06:33 (83°) 19:22 (277°) 12:49:03 −4:00 04:33 21:22 05:17 20:38 05:59 19:57 12:58 (41.4°) 150.523
14 06:35 (83°) 19:20 (276°) 12:45:03 −4:00 04:35 21:19 05:19 20:35 06:01 19:54 12:58 (41.0°) 150.485
15 06:37 (84°) 19:18 (276°) 12:41:03 −4:00 04:37 21:16 05:21 20:33 06:02 19:52 12:58 (40.7°) 150.446
16 06:38 (85°) 19:15 (275°) 12:37:02 −4:00 04:39 21:13 05:23 20:30 06:04 19:49 12:57 (40.3°) 150.407
17 06:40 (85°) 19:13 (274°) 12:33:01 −4:00 04:42 21:11 05:25 20:28 06:06 19:47 12:57 (39.9°) 150.367
18 06:42 (86°) 19:11 (274°) 12:29:00 −4:01 04:44 21:08 05:27 20:25 06:07 19:45 12:57 (39.5°) 150.327
19 06:43 (87°) 19:08 (273°) 12:24:59 −4:01 04:46 21:05 05:29 20:23 06:09 19:42 12:56 (39.1°) 150.287
20 06:45 (87°) 19:06 (273°) 12:20:57 −4:01 04:48 21:02 05:30 20:20 06:11 19:40 12:56 (38.7°) 150.246
21 06:47 (88°) 19:03 (272°) 12:16:56 −4:01 04:50 21:00 05:32 20:18 06:12 19:37 12:56 (38.3°) 150.205
22 06:48 (88°) 19:01 (271°) 12:12:55 −4:01 04:52 20:57 05:34 20:15 06:14 19:35 12:55 (37.9°) 150.164
23 06:50 (89°) 18:59 (271°) 12:08:53 −4:01 04:54 20:54 05:36 20:13 06:16 19:33 12:55 (37.6°) 150.122
24 06:52 (90°) 18:56 (270°) 12:04:51 −4:01 04:56 20:52 05:38 20:10 06:18 19:30 12:54 (37.2°) 150.080
25 06:53 (90°) 18:54 (269°) 12:00:50 −4:01 04:58 20:49 05:39 20:08 06:19 19:28 12:54 (36.8°) 150.037
26 06:55 (91°) 18:52 (269°) 11:56:48 −4:01 05:00 20:46 05:41 20:05 06:21 19:25 12:54 (36.4°) 149.994
27 06:57 (92°) 18:49 (268°) 11:52:47 −4:01 05:02 20:44 05:43 20:03 06:23 19:23 12:53 (36.0°) 149.951
28 06:58 (92°) 18:47 (267°) 11:48:45 −4:01 05:04 20:41 05:45 20:00 06:24 19:21 12:53 (35.6°) 149.908
29 07:00 (93°) 18:45 (267°) 11:44:44 −4:01 05:05 20:39 05:46 19:58 06:26 19:18 12:53 (35.2°) 149.865
30 07:02 (94°) 18:42 (266°) 11:40:43 −4:01 05:07 20:36 05:48 19:56 06:28 19:16 12:52 (34.8°) 149.821
* All times are local time for Irkutsk. They take into account refraction. Dates are based on the Gregorian calendar. Today is highlighted.

The September equinox (autumnal equinox) in Irkutsk is at 02:19 on Tuesday, 23 September 2025.
Why is the day and night not exactly 12 hours on equinox?

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