Daylight
7:07 am – 4:35 pm
9 hours, 28 minutes
| Current Time: | Dec 5, 2025 at 10:00:08 am |
|---|---|
| Sun Direction: | ↑ 152° Southeast |
| Sun Altitude: | 22.4° |
| Sun Distance: | 91.599 million mi |
| Next Solstice: | Dec 21, 2025 8:03 am (Winter) |
| Sunrise Today: | 7:07 am↑ 119° Southeast |
| Sunset Today: | 4:35 pm↑ 241° Southwest |
2025 Sun Graph for Boulder
October 2025 — Sun in Boulder
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| 2025 | Sunrise/Sunset | Daylength | Astronomical Twilight | Nautical Twilight | Civil Twilight | Solar Noon | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct | Sunrise | Sunset | Length | Diff. | Start | End | Start | End | Start | End | Time | Mil. mi |
| 1 | 6:57 am ↑ (94°) | 6:42 pm ↑ (266°) | 11:44:55 | −2:36 | 5:27 am | 8:12 pm | 5:59 am | 7:41 pm | 6:30 am | 7:09 pm | 12:50 pm (46.5°) | 93.052 |
| 2 | 6:58 am ↑ (94°) | 6:41 pm ↑ (265°) | 11:42:19 | −2:36 | 5:28 am | 8:11 pm | 6:00 am | 7:39 pm | 6:31 am | 7:08 pm | 12:50 pm (46.1°) | 93.025 |
| 3 | 6:59 am ↑ (95°) | 6:39 pm ↑ (265°) | 11:39:43 | −2:35 | 5:29 am | 8:09 pm | 6:01 am | 7:37 pm | 6:32 am | 7:06 pm | 12:49 pm (45.7°) | 92.998 |
| 4 | 7:00 am ↑ (95°) | 6:37 pm ↑ (264°) | 11:37:08 | −2:35 | 5:30 am | 8:07 pm | 6:02 am | 7:36 pm | 6:33 am | 7:04 pm | 12:49 pm (45.3°) | 92.971 |
| 5 | 7:01 am ↑ (96°) | 6:36 pm ↑ (264°) | 11:34:32 | −2:35 | 5:31 am | 8:06 pm | 6:03 am | 7:34 pm | 6:34 am | 7:03 pm | 12:49 pm (44.9°) | 92.944 |
| 6 | 7:02 am ↑ (96°) | 6:34 pm ↑ (263°) | 11:31:57 | −2:35 | 5:32 am | 8:04 pm | 6:04 am | 7:33 pm | 6:35 am | 7:01 pm | 12:49 pm (44.6°) | 92.917 |
| 7 | 7:03 am ↑ (97°) | 6:33 pm ↑ (263°) | 11:29:22 | −2:35 | 5:33 am | 8:02 pm | 6:05 am | 7:31 pm | 6:36 am | 7:00 pm | 12:48 pm (44.2°) | 92.890 |
| 8 | 7:04 am ↑ (97°) | 6:31 pm ↑ (262°) | 11:26:47 | −2:34 | 5:34 am | 8:01 pm | 6:06 am | 7:29 pm | 6:37 am | 6:58 pm | 12:48 pm (43.8°) | 92.864 |
| 9 | 7:05 am ↑ (98°) | 6:30 pm ↑ (262°) | 11:24:12 | −2:34 | 5:35 am | 7:59 pm | 6:07 am | 7:28 pm | 6:38 am | 6:57 pm | 12:48 pm (43.4°) | 92.838 |
| 10 | 7:06 am ↑ (98°) | 6:28 pm ↑ (261°) | 11:21:38 | −2:34 | 5:36 am | 7:58 pm | 6:08 am | 7:26 pm | 6:39 am | 6:55 pm | 12:47 pm (43.0°) | 92.812 |
| 11 | 7:07 am ↑ (99°) | 6:26 pm ↑ (261°) | 11:19:04 | −2:33 | 5:37 am | 7:56 pm | 6:09 am | 7:25 pm | 6:40 am | 6:54 pm | 12:47 pm (42.7°) | 92.786 |
| 12 | 7:08 am ↑ (99°) | 6:25 pm ↑ (261°) | 11:16:31 | −2:33 | 5:38 am | 7:55 pm | 6:10 am | 7:23 pm | 6:41 am | 6:52 pm | 12:47 pm (42.3°) | 92.760 |
| 13 | 7:09 am ↑ (100°) | 6:23 pm ↑ (260°) | 11:13:57 | −2:33 | 5:39 am | 7:53 pm | 6:11 am | 7:22 pm | 6:42 am | 6:51 pm | 12:47 pm (41.9°) | 92.734 |
| 14 | 7:10 am ↑ (100°) | 6:22 pm ↑ (260°) | 11:11:25 | −2:32 | 5:40 am | 7:52 pm | 6:12 am | 7:20 pm | 6:43 am | 6:49 pm | 12:46 pm (41.6°) | 92.708 |
| 15 | 7:12 am ↑ (101°) | 6:20 pm ↑ (259°) | 11:08:52 | −2:32 | 5:41 am | 7:50 pm | 6:13 am | 7:19 pm | 6:44 am | 6:48 pm | 12:46 pm (41.2°) | 92.682 |
| 16 | 7:13 am ↑ (101°) | 6:19 pm ↑ (259°) | 11:06:21 | −2:31 | 5:42 am | 7:49 pm | 6:14 am | 7:18 pm | 6:45 am | 6:46 pm | 12:46 pm (40.8°) | 92.657 |
| 17 | 7:14 am ↑ (102°) | 6:17 pm ↑ (258°) | 11:03:49 | −2:31 | 5:43 am | 7:48 pm | 6:15 am | 7:16 pm | 6:46 am | 6:45 pm | 12:46 pm (40.5°) | 92.631 |
| 18 | 7:15 am ↑ (102°) | 6:16 pm ↑ (258°) | 11:01:19 | −2:30 | 5:44 am | 7:46 pm | 6:16 am | 7:15 pm | 6:47 am | 6:43 pm | 12:46 pm (40.1°) | 92.605 |
| 19 | 7:16 am ↑ (103°) | 6:15 pm ↑ (257°) | 10:58:49 | −2:30 | 5:45 am | 7:45 pm | 6:17 am | 7:14 pm | 6:48 am | 6:42 pm | 12:45 pm (39.7°) | 92.579 |
| 20 | 7:17 am ↑ (103°) | 6:13 pm ↑ (257°) | 10:56:19 | −2:29 | 5:46 am | 7:43 pm | 6:18 am | 7:12 pm | 6:49 am | 6:41 pm | 12:45 pm (39.4°) | 92.554 |
| 21 | 7:18 am ↑ (104°) | 6:12 pm ↑ (256°) | 10:53:50 | −2:28 | 5:47 am | 7:42 pm | 6:19 am | 7:11 pm | 6:50 am | 6:39 pm | 12:45 pm (39.0°) | 92.528 |
| 22 | 7:19 am ↑ (104°) | 6:10 pm ↑ (256°) | 10:51:22 | −2:28 | 5:48 am | 7:41 pm | 6:20 am | 7:10 pm | 6:51 am | 6:38 pm | 12:45 pm (38.7°) | 92.502 |
| 23 | 7:20 am ↑ (105°) | 6:09 pm ↑ (255°) | 10:48:55 | −2:27 | 5:49 am | 7:40 pm | 6:21 am | 7:08 pm | 6:52 am | 6:37 pm | 12:45 pm (38.3°) | 92.477 |
| 24 | 7:21 am ↑ (105°) | 6:08 pm ↑ (255°) | 10:46:28 | −2:26 | 5:50 am | 7:38 pm | 6:22 am | 7:07 pm | 6:54 am | 6:35 pm | 12:45 pm (38.0°) | 92.451 |
| 25 | 7:22 am ↑ (105°) | 6:06 pm ↑ (254°) | 10:44:02 | −2:25 | 5:51 am | 7:37 pm | 6:23 am | 7:06 pm | 6:55 am | 6:34 pm | 12:45 pm (37.6°) | 92.425 |
| 26 | 7:23 am ↑ (106°) | 6:05 pm ↑ (254°) | 10:41:37 | −2:24 | 5:52 am | 7:36 pm | 6:24 am | 7:05 pm | 6:56 am | 6:33 pm | 12:45 pm (37.3°) | 92.400 |
| 27 | 7:25 am ↑ (106°) | 6:04 pm ↑ (253°) | 10:39:13 | −2:24 | 5:53 am | 7:35 pm | 6:25 am | 7:03 pm | 6:57 am | 6:32 pm | 12:44 pm (36.9°) | 92.374 |
| 28 | 7:26 am ↑ (107°) | 6:02 pm ↑ (253°) | 10:36:50 | −2:23 | 5:54 am | 7:34 pm | 6:26 am | 7:02 pm | 6:58 am | 6:30 pm | 12:44 pm (36.6°) | 92.349 |
| 29 | 7:27 am ↑ (107°) | 6:01 pm ↑ (253°) | 10:34:28 | −2:22 | 5:55 am | 7:33 pm | 6:27 am | 7:01 pm | 6:59 am | 6:29 pm | 12:44 pm (36.3°) | 92.324 |
| 30 | 7:28 am ↑ (108°) | 6:00 pm ↑ (252°) | 10:32:07 | −2:20 | 5:56 am | 7:31 pm | 6:28 am | 7:00 pm | 7:00 am | 6:28 pm | 12:44 pm (36.0°) | 92.299 |
| 31 | 7:29 am ↑ (108°) | 5:59 pm ↑ (252°) | 10:29:47 | −2:19 | 5:57 am | 7:30 pm | 6:29 am | 6:59 pm | 7:01 am | 6:27 pm | 12:44 pm (35.6°) | 92.274 |
| * All times are local time for Boulder. Time is adjusted for DST when applicable. They take into account refraction. Dates are based on the Gregorian calendar. | ||||||||||||
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