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Sunrise and sunset times in Boulder, United States

Current local time: 12:10:19 PM (UTC-6)

Sun Direction: 157°4'27"
Sun Altitude: 56°7'19"
Distance to earth: 150,968,355 km
Sunrise Today: 6:29:10 AM, 78°38'4"
Sunset Today: 7:32:48 PM, 281°12'41"

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Night:
00:00 - 4:53:57 AM

9:08:02 PM - 00:00

Total: 7:45:55
Astronomical Twilight:
4:53:57 AM - 5:28:25 AM

8:33:34 PM - 9:08:02 PM

Total: 1:08:56
Nautical Twilight:
5:28:25 AM - 6:01:29 AM

8:00:29 PM - 8:33:34 PM

Total: 1:06:09
Civil Twilight:
6:01:29 AM - 6:29:10 AM

7:32:48 PM - 8:00:29 PM

Total: 0:55:22
Daylight:

6:29:10 AM - 7:32:48 PM

Total: 13:03:38

  • Today, September 1

    • Sunrise
      6:29:10 AM
    • Sunset
      7:32:48 PM
    Day length 13 hours, 3 minutes -2 m 31 sec

  • Tomorrow, September 2

    • Sunrise
      6:30:07 AM
    • Sunset
      7:31:13 PM
    Day length 13 hours, 1 minutes -2 m 32 sec

September 2026 — Sun in Boulder

DateSunDay lengthAstronomical TwilightNautical TwilightCivil Twilight
2026SunriseSunsetSolar NoonLenthDifferenceStartEndStartEndStartEnd
September 1 Tue6:29 AM7:32 PM1:00 PM13:03:38-2:314:53 AM9:08 PM5:28 AM8:33 PM6:01 AM8:00 PM
September 2 Wed6:30 AM7:31 PM1:00 PM13:01:06-2:324:55 AM9:06 PM5:29 AM8:31 PM6:02 AM7:58 PM
September 3 Thu6:31 AM7:29 PM1:00 PM12:58:34-2:324:56 AM9:04 PM5:30 AM8:30 PM6:03 AM7:57 PM
September 4 Fri6:32 AM7:28 PM1:00 PM12:56:01-2:334:57 AM9:02 PM5:31 AM8:28 PM6:04 AM7:55 PM
September 5 Sat6:32 AM7:26 PM12:59 PM12:53:28-2:334:58 AM9:00 PM5:32 AM8:26 PM6:05 AM7:53 PM
September 6 Sun6:33 AM7:24 PM12:59 PM12:50:54-2:345:00 AM8:58 PM5:33 AM8:24 PM6:06 AM7:52 PM
September 7 Mon6:34 AM7:23 PM12:59 PM12:48:21-2:335:01 AM8:56 PM5:34 AM8:23 PM6:07 AM7:50 PM
September 8 Tue6:35 AM7:21 PM12:58 PM12:45:47-2:345:02 AM8:54 PM5:35 AM8:21 PM6:08 AM7:48 PM
September 9 Wed6:36 AM7:19 PM12:58 PM12:43:12-2:355:03 AM8:52 PM5:37 AM8:19 PM6:09 AM7:47 PM
September 10 Thu6:37 AM7:18 PM12:57 PM12:40:38-2:345:04 AM8:51 PM5:38 AM8:17 PM6:10 AM7:45 PM
September 11 Fri6:38 AM7:16 PM12:57 PM12:38:03-2:355:05 AM8:49 PM5:39 AM8:16 PM6:11 AM7:43 PM
September 12 Sat6:39 AM7:14 PM12:57 PM12:35:27-2:365:07 AM8:47 PM5:40 AM8:14 PM6:12 AM7:42 PM
September 13 Sun6:40 AM7:13 PM12:56 PM12:32:52-2:355:08 AM8:45 PM5:41 AM8:12 PM6:13 AM7:40 PM
September 14 Mon6:41 AM7:11 PM12:56 PM12:30:16-2:365:09 AM8:43 PM5:42 AM8:10 PM6:14 AM7:38 PM
September 15 Tue6:42 AM7:10 PM12:56 PM12:27:41-2:355:10 AM8:41 PM5:43 AM8:09 PM6:15 AM7:37 PM
September 16 Wed6:43 AM7:08 PM12:55 PM12:25:04-2:375:11 AM8:40 PM5:44 AM8:07 PM6:16 AM7:35 PM
September 17 Thu6:44 AM7:06 PM12:55 PM12:22:29-2:355:12 AM8:38 PM5:45 AM8:05 PM6:17 AM7:33 PM
September 18 Fri6:45 AM7:05 PM12:55 PM12:19:52-2:375:13 AM8:36 PM5:46 AM8:03 PM6:18 AM7:32 PM
September 19 Sat6:46 AM7:03 PM12:54 PM12:17:15-2:375:14 AM8:34 PM5:47 AM8:02 PM6:19 AM7:30 PM
September 20 Sun6:47 AM7:01 PM12:54 PM12:14:39-2:365:16 AM8:32 PM5:48 AM8:00 PM6:20 AM7:28 PM
September 21 Mon6:48 AM7:00 PM12:54 PM12:12:02-2:375:17 AM8:30 PM5:49 AM7:58 PM6:21 AM7:27 PM
September 22 Tue6:48 AM6:58 PM12:53 PM12:09:26-2:365:18 AM8:29 PM5:50 AM7:56 PM6:22 AM7:25 PM
September 23 Wed6:49 AM6:56 PM12:53 PM12:06:48-2:385:19 AM8:27 PM5:51 AM7:55 PM6:23 AM7:23 PM
September 24 Thu6:50 AM6:55 PM12:52 PM12:04:12-2:365:20 AM8:25 PM5:52 AM7:53 PM6:23 AM7:22 PM
September 25 Fri6:51 AM6:53 PM12:52 PM12:01:35-2:375:21 AM8:23 PM5:53 AM7:51 PM6:24 AM7:20 PM
September 26 Sat6:52 AM6:51 PM12:52 PM11:58:58-2:375:22 AM8:22 PM5:54 AM7:50 PM6:25 AM7:18 PM
September 27 Sun6:53 AM6:50 PM12:51 PM11:56:21-2:375:23 AM8:20 PM5:55 AM7:48 PM6:26 AM7:17 PM
September 28 Mon6:54 AM6:48 PM12:51 PM11:53:44-2:375:24 AM8:18 PM5:56 AM7:46 PM6:27 AM7:15 PM
September 29 Tue6:55 AM6:46 PM12:51 PM11:51:08-2:365:25 AM8:16 PM5:57 AM7:45 PM6:28 AM7:13 PM
September 30 Wed6:56 AM6:45 PM12:50 PM11:48:31-2:375:26 AM8:15 PM5:58 AM7:43 PM6:29 AM7:12 PM
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Current sun position
Rise
6:29:10 AM
78°38'4"
Meridian
1:00:59 PM
180°
Set
7:32:48 PM
281°12'41"