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Sunrise and sunset times in Longmont, United States

Current local time: 2:13:15 PM (UTC-6)

Sun Direction: 210°0'23"
Sun Altitude: 47°49'2"
Distance to earth: 150,339,797 km
Sunrise Today: 6:43:44 AM, 86°39'42"
Sunset Today: 7:05:40 PM, 273°10'56"

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Night:
00:00 - 5:12:03 AM

8:37:21 PM - 00:00

Total: 8:34:42
Astronomical Twilight:
5:12:03 AM - 5:44:42 AM

8:04:41 PM - 8:37:21 PM

Total: 1:05:19
Nautical Twilight:
5:44:42 AM - 6:16:38 AM

7:32:45 PM - 8:04:41 PM

Total: 1:03:52
Civil Twilight:
6:16:38 AM - 6:43:44 AM

7:05:40 PM - 7:32:45 PM

Total: 0:54:11
Daylight:

6:43:44 AM - 7:05:40 PM

Total: 12:21:56

  • Today, September 17

    • Sunrise
      6:43:44 AM
    • Sunset
      7:05:40 PM
    Day length 12 hours, 21 minutes -2 m 37 sec

  • Tomorrow, September 18

    • Sunrise
      6:44:41 AM
    • Sunset
      7:04:00 PM
    Day length 12 hours, 19 minutes -2 m 37 sec

September 2025 — Sun in Longmont

DateSunDay lengthAstronomical TwilightNautical TwilightCivil Twilight
2025SunriseSunsetSolar NoonLenthDifferenceStartEndStartEndStartEnd
September 1 Mon6:28 AM7:31 PM1:00 PM13:03:20-2:324:53 AM9:07 PM5:27 AM8:32 PM6:00 AM7:59 PM
September 2 Tue6:29 AM7:30 PM12:59 PM13:00:47-2:334:54 AM9:05 PM5:28 AM8:31 PM6:01 AM7:57 PM
September 3 Wed6:30 AM7:28 PM12:59 PM12:58:14-2:334:55 AM9:03 PM5:29 AM8:29 PM6:02 AM7:56 PM
September 4 Thu6:31 AM7:27 PM12:59 PM12:55:40-2:344:56 AM9:01 PM5:30 AM8:27 PM6:03 AM7:54 PM
September 5 Fri6:32 AM7:25 PM12:58 PM12:53:07-2:334:58 AM8:59 PM5:32 AM8:25 PM6:04 AM7:53 PM
September 6 Sat6:33 AM7:23 PM12:58 PM12:50:33-2:344:59 AM8:57 PM5:33 AM8:24 PM6:05 AM7:51 PM
September 7 Sun6:34 AM7:22 PM12:58 PM12:47:58-2:355:00 AM8:55 PM5:34 AM8:22 PM6:06 AM7:49 PM
September 8 Mon6:35 AM7:20 PM12:57 PM12:45:23-2:355:01 AM8:54 PM5:35 AM8:20 PM6:07 AM7:47 PM
September 9 Tue6:36 AM7:18 PM12:57 PM12:42:47-2:365:02 AM8:52 PM5:36 AM8:18 PM6:08 AM7:46 PM
September 10 Wed6:37 AM7:17 PM12:57 PM12:40:12-2:355:04 AM8:50 PM5:37 AM8:16 PM6:09 AM7:44 PM
September 11 Thu6:38 AM7:15 PM12:56 PM12:37:36-2:365:05 AM8:48 PM5:38 AM8:15 PM6:10 AM7:42 PM
September 12 Fri6:38 AM7:13 PM12:56 PM12:35:00-2:365:06 AM8:46 PM5:39 AM8:13 PM6:11 AM7:41 PM
September 13 Sat6:39 AM7:12 PM12:56 PM12:32:23-2:375:07 AM8:44 PM5:40 AM8:11 PM6:12 AM7:39 PM
September 14 Sun6:40 AM7:10 PM12:55 PM12:29:47-2:365:08 AM8:42 PM5:41 AM8:09 PM6:13 AM7:37 PM
September 15 Mon6:41 AM7:09 PM12:55 PM12:27:10-2:375:09 AM8:41 PM5:42 AM8:08 PM6:14 AM7:36 PM
September 16 Tue6:42 AM7:07 PM12:55 PM12:24:33-2:375:10 AM8:39 PM5:43 AM8:06 PM6:15 AM7:34 PM
September 17 Wed6:43 AM7:05 PM12:54 PM12:21:56-2:375:12 AM8:37 PM5:44 AM8:04 PM6:16 AM7:32 PM
September 18 Thu6:44 AM7:04 PM12:54 PM12:19:19-2:375:13 AM8:35 PM5:45 AM8:02 PM6:17 AM7:31 PM
September 19 Fri6:45 AM7:02 PM12:53 PM12:16:42-2:375:14 AM8:33 PM5:46 AM8:01 PM6:18 AM7:29 PM
September 20 Sat6:46 AM7:00 PM12:53 PM12:14:04-2:385:15 AM8:31 PM5:47 AM7:59 PM6:19 AM7:27 PM
September 21 Sun6:47 AM6:59 PM12:53 PM12:11:27-2:375:16 AM8:30 PM5:48 AM7:57 PM6:20 AM7:26 PM
September 22 Mon6:48 AM6:57 PM12:52 PM12:08:49-2:385:17 AM8:28 PM5:49 AM7:56 PM6:21 AM7:24 PM
September 23 Tue6:49 AM6:55 PM12:52 PM12:06:11-2:385:18 AM8:26 PM5:50 AM7:54 PM6:22 AM7:22 PM
September 24 Wed6:50 AM6:54 PM12:52 PM12:03:33-2:385:19 AM8:24 PM5:51 AM7:52 PM6:23 AM7:20 PM
September 25 Thu6:51 AM6:52 PM12:51 PM12:00:55-2:385:20 AM8:22 PM5:52 AM7:50 PM6:24 AM7:19 PM
September 26 Fri6:52 AM6:50 PM12:51 PM11:58:18-2:375:21 AM8:21 PM5:53 AM7:49 PM6:25 AM7:17 PM
September 27 Sat6:53 AM6:49 PM12:51 PM11:55:40-2:385:22 AM8:19 PM5:54 AM7:47 PM6:26 AM7:16 PM
September 28 Sun6:54 AM6:47 PM12:50 PM11:53:03-2:375:23 AM8:17 PM5:55 AM7:45 PM6:27 AM7:14 PM
September 29 Mon6:55 AM6:45 PM12:50 PM11:50:25-2:385:25 AM8:16 PM5:56 AM7:44 PM6:28 AM7:12 PM
September 30 Tue6:56 AM6:44 PM12:50 PM11:47:48-2:375:26 AM8:14 PM5:57 AM7:42 PM6:29 AM7:11 PM
LovelandBoiseCaldwellLongmontBoulderFort CollinsGreeley
Current sun position
Rise
6:43:44 AM
86°39'42"
Meridian
12:54:42 PM
180°
Set
7:05:40 PM
273°10'56"