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Local time · Longmont

What time is it in Longmont, Colorado?

2:50:01AM

Friday, November 13, 2026Mountain Standard Time · UTC−7:00 · standard time
Time zone
MST
America/Denver
UTC offset
−7:00
Standard is −7:00
Daylight saving
Not in force
Starts Sun, Mar 14
Population
99,818
City proper

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About this clock

Daylight saving in Longmont

Longmont is currently on standard time. The next change is Sunday, March 14, 2027, when 2:00 am becomes 3:00 am local time.

Longmont sits at 40.17°N, 105.10°W. For sunrise and sunset there — which do depend on exactly where it is, unlike the clock — see sunrise and sunset in Longmont.

Clock time against sun time

The clock says the same thing everywhere in Mountain Standard Time, but the sun does not. Over Longmont it is highest at 11:44 am today — 16 minutes before clock noon.

At 105.1°W, Longmont sits almost exactly on Mountain Standard Time’s 105° meridian, so on standard time the clock and the sun agree to within a few minutes.

Daylight in Longmont today

Sunrise
6:44 am
Sunset
4:45 pm
Day length
10 hours 1 minute
Longest day
15 hours 2 minutes

Today runs 10 hours 1 minute in Longmont, and the day is getting shorter by 2 minutes a day. Across the year it swings 5 hours 44 minutes, from 15 hours 2 minutes at the June solstice down to 9 hours 18 minutes in December.

At 40.2°N that puts Longmont between Kailua at 2 hours 22 minutes and Fairbanks at 18 hours 9 minutes.

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