Flag for USA

Boulder, Colorado, USA — Sunrise, Sunset, and Daylength, January 2024

Daylight

6:48 am – 7:22 pm
12 hours, 34 minutes

Current Time: Mar 29, 2024 at 2:45:55 am
Sun Direction: 34° Northeast
Sun Altitude: -40.7°
Sun Distance: 92.814 million mi
Next Solstice: Jun 20, 2024 2:50 pm (Summer)
Sunrise Today: 6:48 am 84° East
Sunset Today: 7:22 pm 276° West
Location of BoulderLocation

2024 Sun Graph for Boulder

January 2024 — Sun in Boulder

Scroll right to see more
2024Sunrise/SunsetDaylengthAstronomical TwilightNautical TwilightCivil TwilightSolar Noon
JanSunriseSunsetLengthDiff.StartEndStartEndStartEndTimeMil. mi
17:22 am (120°)4:46 pm (240°)9:23:18+0:395:45 am6:23 pm6:18 am5:50 pm6:52 am5:16 pm12:04 pm (27.0°)91.404
27:23 am (120°)4:47 pm (240°)9:24:01+0:435:45 am6:24 pm6:18 am5:51 pm6:52 am5:17 pm12:04 pm (27.1°)91.404
37:23 am (120°)4:47 pm (240°)9:24:48+0:465:46 am6:25 pm6:18 am5:52 pm6:52 am5:18 pm12:05 pm (27.2°)91.404
47:23 am (119°)4:48 pm (241°)9:25:39+0:505:46 am6:25 pm6:19 am5:53 pm6:52 am5:19 pm12:05 pm (27.3°)91.405
57:23 am (119°)4:49 pm (241°)9:26:33+0:545:46 am6:26 pm6:19 am5:53 pm6:52 am5:20 pm12:06 pm (27.4°)91.406
67:23 am (119°)4:50 pm (241°)9:27:31+0:575:46 am6:27 pm6:19 am5:54 pm6:52 am5:20 pm12:06 pm (27.5°)91.407
77:23 am (119°)4:51 pm (241°)9:28:32+1:015:46 am6:28 pm6:19 am5:55 pm6:52 am5:21 pm12:07 pm (27.7°)91.409
87:22 am (119°)4:52 pm (241°)9:29:37+1:045:46 am6:29 pm6:19 am5:56 pm6:52 am5:22 pm12:07 pm (27.8°)91.412
97:22 am (119°)4:53 pm (241°)9:30:45+1:085:46 am6:30 pm6:19 am5:57 pm6:52 am5:23 pm12:08 pm (27.9°)91.414
107:22 am (118°)4:54 pm (242°)9:31:56+1:115:46 am6:30 pm6:19 am5:58 pm6:52 am5:24 pm12:08 pm (28.1°)91.417
117:22 am (118°)4:55 pm (242°)9:33:11+1:145:46 am6:31 pm6:18 am5:59 pm6:52 am5:25 pm12:08 pm (28.2°)91.421
127:22 am (118°)4:56 pm (242°)9:34:29+1:175:46 am6:32 pm6:18 am6:00 pm6:52 am5:26 pm12:09 pm (28.4°)91.424
137:21 am (118°)4:57 pm (242°)9:35:50+1:215:45 am6:33 pm6:18 am6:01 pm6:52 am5:27 pm12:09 pm (28.5°)91.428
147:21 am (118°)4:58 pm (243°)9:37:14+1:245:45 am6:34 pm6:18 am6:02 pm6:51 am5:28 pm12:10 pm (28.7°)91.433
157:21 am (117°)4:59 pm (243°)9:38:42+1:275:45 am6:35 pm6:18 am6:03 pm6:51 am5:29 pm12:10 pm (28.9°)91.438
167:20 am (117°)5:01 pm (243°)9:40:12+1:305:45 am6:36 pm6:17 am6:04 pm6:51 am5:30 pm12:10 pm (29.1°)91.443
177:20 am (117°)5:02 pm (243°)9:41:45+1:325:45 am6:37 pm6:17 am6:05 pm6:50 am5:31 pm12:11 pm (29.3°)91.448
187:19 am (117°)5:03 pm (244°)9:43:20+1:355:44 am6:38 pm6:17 am6:06 pm6:50 am5:32 pm12:11 pm (29.5°)91.454
197:19 am (116°)5:04 pm (244°)9:44:59+1:385:44 am6:39 pm6:16 am6:07 pm6:49 am5:33 pm12:11 pm (29.7°)91.461
207:18 am (116°)5:05 pm (244°)9:46:40+1:415:44 am6:40 pm6:16 am6:08 pm6:49 am5:34 pm12:12 pm (29.9°)91.468
217:18 am (116°)5:06 pm (244°)9:48:24+1:435:43 am6:41 pm6:15 am6:09 pm6:48 am5:36 pm12:12 pm (30.1°)91.475
227:17 am (115°)5:07 pm (245°)9:50:10+1:465:43 am6:42 pm6:15 am6:10 pm6:48 am5:37 pm12:12 pm (30.4°)91.483
237:17 am (115°)5:09 pm (245°)9:51:58+1:485:42 am6:43 pm6:14 am6:11 pm6:47 am5:38 pm12:12 pm (30.6°)91.492
247:16 am (115°)5:10 pm (245°)9:53:49+1:505:42 am6:44 pm6:14 am6:12 pm6:47 am5:39 pm12:13 pm (30.8°)91.501
257:15 am (114°)5:11 pm (246°)9:55:43+1:535:41 am6:45 pm6:13 am6:13 pm6:46 am5:40 pm12:13 pm (31.1°)91.511
267:14 am (114°)5:12 pm (246°)9:57:38+1:555:41 am6:46 pm6:13 am6:14 pm6:45 am5:41 pm12:13 pm (31.3°)91.521
277:14 am (114°)5:13 pm (246°)9:59:36+1:575:40 am6:47 pm6:12 am6:15 pm6:45 am5:42 pm12:13 pm (31.6°)91.532
287:13 am (113°)5:14 pm (247°)10:01:35+1:595:39 am6:48 pm6:11 am6:16 pm6:44 am5:43 pm12:13 pm (31.8°)91.543
297:12 am (113°)5:16 pm (247°)10:03:37+2:015:39 am6:49 pm6:11 am6:17 pm6:43 am5:44 pm12:14 pm (32.1°)91.555
307:11 am (113°)5:17 pm (248°)10:05:40+2:035:38 am6:50 pm6:10 am6:18 pm6:42 am5:46 pm12:14 pm (32.4°)91.567
317:10 am (112°)5:18 pm (248°)10:07:46+2:055:37 am6:51 pm6:09 am6:19 pm6:42 am5:47 pm12:14 pm (32.6°)91.580
* All times are local time for Boulder. They take into account refraction. Dates are based on the Gregorian calendar.

Perihelion was on January 2, 2024 at 5:38 pm in Boulder. The Earth was closest to the Sun at this time.

The latest sunrise is on January 5.

Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec