What time is sunrise and sunset in Longmont?
Today and tomorrow's sunrise and sunset times in Longmont, Colorado. Plus a monthly calendar with dawn, dusk, solar noon, and day length.
Today
Sunrise
6:43 AM
89° EDawn 6:15 AM
Sunrise in Longmont was at 6:43:00 AM MDT (7 hours ago).
Sunset
7:00 PM
271° WDusk 7:28 PM
Sunset in Longmont will be at 7:00:59 PM MDT (in 6 hours).
Now
6:43a7:00p
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Daylight now · Golden hour at 6:20 PM
- Daylight
- 12h 17m
- Darkness
- 8h 52m
- Solar noon
- 12:52 PM
- Sun altitude
- 48.9°
- Sun direction
- 189° S
Tomorrow
Sunrise
6:43 AM
89° EDawn 6:16 AM
Sunrise in Longmont will be at 6:43:58 AM MDT (in 17 hours).
Sunset
6:59 PM
270° WDusk 7:26 PM
Sunset in Longmont will be at 6:59:19 PM MDT (in 30 hours).
Moon tonight
Phase, moonrise and moonset in Longmont
Waxing Gibbous
96% illuminated
- Moonrise
- 5:56 PM
- Moonset
- 4:35 AM
Calendar
America/Denver · click a day to expand
| Date | Dawn | Sunrise | Solar noon | Sunset | Dusk | Length | |
|---|---|---|---|---|---|---|---|
| 1 Tue | 5:52 am | 6:20 am | 1:00 pm | 7:39 pm | 8:06 pm | 13:18:02 | |
| 2 Wed | 5:53 am | 6:21 am | 1:00 pm | 7:37 pm | 8:05 pm | 13:15:28 | |
| 3 Thu | 5:54 am | 6:22 am | 12:59 pm | 7:35 pm | 8:03 pm | 13:12:54 | |
| 4 Fri | 5:56 am | 6:23 am | 12:59 pm | 7:34 pm | 8:01 pm | 13:10:19 | |
| 5 Sat | 5:57 am | 6:24 am | 12:59 pm | 7:32 pm | 8:00 pm | 13:07:44 | |
| 6 Sun | 5:58 am | 6:25 am | 12:58 pm | 7:30 pm | 7:58 pm | 13:05:08 | |
| 7 Mon | 5:59 am | 6:26 am | 12:58 pm | 7:29 pm | 7:56 pm | 13:02:32 | |
| 8 Tue | 6:00 am | 6:27 am | 12:57 pm | 7:27 pm | 7:55 pm | 12:59:56 | |
| 9 Wed | 6:01 am | 6:28 am | 12:57 pm | 7:25 pm | 7:53 pm | 12:57:20 | |
| 10 Thu | 6:02 am | 6:29 am | 12:57 pm | 7:24 pm | 7:51 pm | 12:54:43 | |
| 11 Fri | 6:03 am | 6:30 am | 12:56 pm | 7:22 pm | 7:50 pm | 12:52:06 | |
| 12 Sat | 6:04 am | 6:31 am | 12:56 pm | 7:20 pm | 7:48 pm | 12:49:29 | |
| 13 Sun | 6:05 am | 6:32 am | 12:56 pm | 7:19 pm | 7:46 pm | 12:46:52 | |
| 14 Mon | 6:06 am | 6:33 am | 12:55 pm | 7:17 pm | 7:44 pm | 12:44:15 | |
| 15 Tue | 6:07 am | 6:34 am | 12:55 pm | 7:15 pm | 7:43 pm | 12:41:38 | |
| 16 Wed | 6:08 am | 6:35 am | 12:55 pm | 7:14 pm | 7:41 pm | 12:39:00 | |
| 17 Thu | 6:09 am | 6:36 am | 12:54 pm | 7:12 pm | 7:39 pm | 12:36:22 | |
| 18 Fri | 6:09 am | 6:37 am | 12:54 pm | 7:10 pm | 7:38 pm | 12:33:45 | |
| 19 Sat | 6:10 am | 6:38 am | 12:54 pm | 7:09 pm | 7:36 pm | 12:31:07 | |
| 20 Sun | 6:11 am | 6:39 am | 12:53 pm | 7:07 pm | 7:34 pm | 12:28:29 | |
| 21 Mon | 6:12 am | 6:40 am | 12:53 pm | 7:05 pm | 7:33 pm | 12:25:51 | |
| 22 Tue | 6:13 am | 6:41 am | 12:53 pm | 7:04 pm | 7:31 pm | 12:23:14 | |
| 23 Wed | 6:14 am | 6:42 am | 12:52 pm | 7:02 pm | 7:29 pm | 12:20:36 | |
| 24 Thu | 6:15 am | 6:43 am | 12:52 pm | 7:00 pm | 7:28 pm | 12:17:58 | |
Thursday, September 24 12:17:58 of daylight·−2m 38s vs. yesterday·twilight 6:15 am – 7:28 pm Time 1:17 PM Altitude 48.9° Heading 189° S Light Daylight 1:17 PM, Daylight, altitude 48.9 degrees | |||||||
| 25 Fri | 6:16 am | 6:43 am | 12:51 pm | 6:59 pm | 7:26 pm | 12:15:21 | |
| 26 Sat | 6:17 am | 6:44 am | 12:51 pm | 6:57 pm | 7:24 pm | 12:12:43 | |
| 27 Sun | 6:18 am | 6:45 am | 12:51 pm | 6:56 pm | 7:23 pm | 12:10:06 | |
| 28 Mon | 6:19 am | 6:46 am | 12:50 pm | 6:54 pm | 7:21 pm | 12:07:28 | |
| 29 Tue | 6:20 am | 6:47 am | 12:50 pm | 6:52 pm | 7:19 pm | 12:04:51 | |
| 30 Wed | 6:21 am | 6:48 am | 12:50 pm | 6:51 pm | 7:18 pm | 12:02:14 | |
FAQ
Frequently asked questions about sunrise and sunset in Longmont, United States
- What time does the sun rise in Longmont today?
- Sunrise in Longmont today (Thursday, September 24, 2026) is at 6:43 AM. The sun comes up in the E.
- What time does the sun set in Longmont today?
- Sunset today is at 7:00 PM, after 12h 17m of daylight.
- When is the longest day in Longmont, United States?
- The longest day of 2026 in Longmont is Sunday, June 21, 2026, the summer solstice, with 15h 02m of daylight. In 2027 the summer solstice falls on June 21, 2027.
- When is the shortest day in Longmont, United States?
- The shortest day of 2026 in Longmont, Colorado is Monday, December 21, 2026, the winter solstice, with 9h 18m of daylight. In 2027 the winter solstice lands on December 21, 2027.
- How much more daylight does Longmont get in summer than in winter?
- Longmont gets 5h 43m more daylight on its longest day than on its shortest (15h 02m against 9h 18m). Averaged across the year, a day here has 12h 12m of daylight.
- When is the earliest sunrise in Longmont?
- The earliest sunrise of 2026 in Longmont is on Sunday, June 14, 2026, when the sun comes up at 5:31 AM.
- When is the latest sunset in Longmont?
- The latest sunset is on Saturday, June 27, 2026 at 8:35 PM.
- When is the earliest sunset in Longmont?
- The earliest sunset of the year is on Tuesday, December 8, 2026, with the sun down by 4:35 PM.
- When is the latest sunrise in Longmont?
- The latest sunrise is on Saturday, October 31, 2026 at 7:29 AM.
- Does Longmont observe daylight saving time?
- Yes. Longmont uses Mountain Time: clocks go forward on March 8, 2026, then back on November 1, 2026. Sunrise and sunset times jump by an hour on those dates.
Developers: get this data programmatically with the free JSON API.
GET https://api.sunrisesunset.io/json?lat=40.16721&lng=-105.10193