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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
7:11 AM
101° EDawn 6:43 AM

Sunrise in Longmont will be at 7:11:13 AM MDT (in 3h 53m).

Sunset
6:20 PM
259° WDusk 6:47 PM

Sunset in Longmont will be at 6:20:26 PM MDT (in 15h 2m).

Now
12a6a12p6p12a

Night now · First light at 5:40 AM

Daylight
11h 09m
Darkness
9h 50m
Solar noon
12:46 PM
Sun altitude
43.2° below
Sun direction
58° ENE
How long golden hour and blue hour last

Tomorrow

Sunrise
7:12 AM
101° EDawn 6:44 AM

Sunrise in Longmont will be at 7:12:17 AM MDT (in 27h 54m).

Sunset
6:18 PM
259° WSWDusk 6:46 PM

Sunset in Longmont will be at 6:18:57 PM MDT (in 39h 1m).

Moon tonight

Phase, moonrise and moonset in Longmont

Waxing Crescent
24% illuminated
Moonrise
12:28 PM
Moonset
9:13 PM

Calendar

Mountain Time · select a day to expand

DateSunriseSunsetLength
1 Thu6:56 AM6:42 PM11h 45m
2 Fri6:57 AM6:40 PM11h 42m
3 Sat6:58 AM6:39 PM11h 40m
4 Sun6:59 AM6:37 PM11h 37m
5 Mon7:00 AM6:35 PM11h 35m
6 Tue7:01 AM6:34 PM11h 32m
7 Wed7:02 AM6:32 PM11h 29m
8 Thu7:03 AM6:31 PM11h 27m
9 Fri7:04 AM6:29 PM11h 24m
10 Sat7:06 AM6:28 PM11h 22m
11 Sun7:07 AM6:26 PM11h 19m
12 Mon7:08 AM6:24 PM11h 16m
13 Tue7:09 AM6:23 PM11h 14m
14 Wed7:10 AM6:21 PM11h 11m
15 Thu7:11 AM6:20 PM11h 09m
Thursday, October 15
11h 09m 13s of daylight·−2m 33s vs. yesterday·twilight 6:43 AM – 6:47 PM
12a3a6a9a12p3p6p9p12a7:11 AM12:46 PM6:20 PMhorizon
Time
3:18 AM
Altitude
-43.3°
Heading
57° ENE
Light
Night

3:18 AM, Night, altitude -43.3 degrees

16 Fri7:12 AM6:18 PM11h 06m
17 Sat7:13 AM6:17 PM11h 04m
18 Sun7:14 AM6:16 PM11h 01m
19 Mon7:15 AM6:14 PM10h 59m
20 Tue7:16 AM6:13 PM10h 56m
21 Wed7:17 AM6:11 PM10h 54m
22 Thu7:18 AM6:10 PM10h 51m
23 Fri7:19 AM6:08 PM10h 49m
24 Sat7:20 AM6:07 PM10h 46m
25 Sun7:22 AM6:06 PM10h 44m
26 Mon7:23 AM6:04 PM10h 41m
27 Tue7:24 AM6:03 PM10h 39m
28 Wed7:25 AM6:02 PM10h 36m
29 Thu7:26 AM6:01 PM10h 34m
30 Fri7:27 AM5:59 PM10h 32m
31 Sat7:28 AM5:58 PM10h 29m

Photos

Sunrise and sunset photos of Longmont from Flickr.

More on Flickr
Flickr photo: Lonely Tree on the Plains
Lonely Tree on the PlainsView on Flickr
Flickr photo: Easter Morning Sunset
Easter Morning SunsetView on Flickr
Flickr photo: Easter Morning Sunset in Longmont
Easter Morning Sunset in LongmontView on Flickr
Flickr photo: Osprey's Mating (Pandion haliaetus)
Osprey's Mating (Pandion haliaetus)View on Flickr
Flickr photo: Sunset Ride
Sunset RideView on Flickr
Flickr photo: Superb Sunset
Superb SunsetView on Flickr
Flickr photo: 2022 Rainbow and Clouds 01 - IMG_2228 adj
2022 Rainbow and Clouds 01 - IMG_2228 adjView on Flickr
Flickr photo: 2022 Rainbow and Clouds 02 - IMG_2229 adj
2022 Rainbow and Clouds 02 - IMG_2229 adjView on Flickr
Flickr photo: 2022 Rainbow and Clouds 06 - IMG_2234 adj
2022 Rainbow and Clouds 06 - IMG_2234 adjView on Flickr
Flickr photo: 2022 Rainbow and Clouds 03 - IMG_2235 adj
2022 Rainbow and Clouds 03 - IMG_2235 adjView on Flickr
Flickr photo: 2022 Rainbow and Clouds 07 - IMG_2236 adj
2022 Rainbow and Clouds 07 - IMG_2236 adjView on Flickr
Flickr photo: 2022 Rainbow and Clouds 04 - IMG_2239 adj 2
2022 Rainbow and Clouds 04 - IMG_2239 adj 2View on Flickr

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, October 15, 2026) is at 7:11 AM. The sun comes up in the E.
What time does the sun set in Longmont today?
Sunset today is at 6:20 PM, after 11h 09m of daylight.
When does it get dark in Longmont tonight?
Civil twilight ends at 6:47 PM. After that you need artificial light for most things outdoors. Astronomical twilight ends at 7:50 PM, which is when night starts by the standard definition.How long after sunset it gets dark
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.More on the summer solstice
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 5:30 AM.
When is the latest sunset in Longmont?
The latest sunset is on Saturday, June 27, 2026 at 8:33 PM.
When is the earliest sunset in Longmont?
The earliest sunset of the year is on Monday, December 7, 2026, with the sun down by 4:34 PM.Why it comes before the shortest day
When is the latest sunrise in Longmont?
The latest sunrise is on Saturday, October 31, 2026 at 7:28 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.

Nearby

Other places close to Longmont

Developers: get this data programmatically with the free JSON API.

GET https://api.sunrisesunset.io/json?lat=40.16721&lng=-105.10193