What time is sunrise and sunset in Boulder?

Today and tomorrow's sunrise and sunset times in Boulder, Colorado. Plus a monthly calendar with dawn, dusk, solar noon, and day length.

Today

Wednesday, November 4, 2026

Sunrise

6:33 AM

110° ESEDawn 6:05 AM

Sunrise in Boulder will be at 6:33:48 AM MST (in 6h 9m).

Sunset

4:55 PM

250° WSWDusk 5:23 PM

Sunset in Boulder will be at 4:55:02 PM MST (in 16h 30m).

Now

6:33a4:55p

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Night now · First light at 5:01 AM

Golden hour and blue hour in Boulder
Window	Morning	Evening
Golden hour	6:16 – 7:12 AM	4:16 – 5:12 PM
Blue hour	6:05 – 6:16 AM	5:12 – 5:23 PM

Daylight: 10h 21m; −2m 16s vs. yesterday
Darkness: 10h 34m
Solar noon: 11:44 AM
Sun altitude: 63.4° below
Sun direction: 23° NNE

How long golden hour and blue hour last

Tomorrow

Thursday, November 5, 2026

Sunrise

6:34 AM

110° ESEDawn 6:06 AM

Sunrise in Boulder will be at 6:34:57 AM MST (in 30h 10m).

Sunset

4:53 PM

250° WSWDusk 5:22 PM

Sunset in Boulder will be at 4:53:56 PM MST (in 40h 29m).

Moon tonight

Phase, moonrise and moonset in Boulder

Waning Crescent

20% illuminated

Moonrise: 1:47 AM
Moonset: 2:32 PM

Calendar

Mountain Time · select a day to expand

	Date	Dawn	Sunrise	Solar noon	Sunset	Dusk	Length
	1 Sun	6:02 AM	6:30 AM	11:44 AM	4:58 PM	5:26 PM	10h 28m 03s
	2 Mon	6:03 AM	6:31 AM	11:44 AM	4:57 PM	5:25 PM	10h 25m 45s
	3 Tue	6:04 AM	6:32 AM	11:44 AM	4:56 PM	5:24 PM	10h 23m 29s
	4 Wed	6:05 AM	6:33 AM	11:44 AM	4:55 PM	5:23 PM	10h 21m 13s
Wednesday, November 4 10h 21m 13s of daylight·−2m 16s vs. yesterday·twilight 6:05 AM – 5:23 PM Time 12:25 AM Altitude -63.4° Heading 23° NNE Light Night 12:25 AM, Night, altitude -63.4 degrees
	5 Thu	6:06 AM	6:34 AM	11:44 AM	4:53 PM	5:22 PM	10h 18m 59s
	6 Fri	6:07 AM	6:36 AM	11:44 AM	4:52 PM	5:21 PM	10h 16m 47s
	7 Sat	6:08 AM	6:37 AM	11:44 AM	4:51 PM	5:20 PM	10h 14m 35s
	8 Sun	6:09 AM	6:38 AM	11:44 AM	4:50 PM	5:19 PM	10h 12m 26s
	9 Mon	6:10 AM	6:39 AM	11:44 AM	4:49 PM	5:18 PM	10h 10m 18s
	10 Tue	6:12 AM	6:40 AM	11:45 AM	4:48 PM	5:17 PM	10h 08m 12s
	11 Wed	6:13 AM	6:41 AM	11:45 AM	4:47 PM	5:16 PM	10h 06m 07s
	12 Thu	6:14 AM	6:43 AM	11:45 AM	4:47 PM	5:15 PM	10h 04m 04s
	13 Fri	6:15 AM	6:44 AM	11:45 AM	4:46 PM	5:15 PM	10h 02m 03s
	14 Sat	6:16 AM	6:45 AM	11:45 AM	4:45 PM	5:14 PM	10h 00m 04s
	15 Sun	6:17 AM	6:46 AM	11:45 AM	4:44 PM	5:13 PM	9h 58m 07s
	16 Mon	6:18 AM	6:47 AM	11:45 AM	4:43 PM	5:12 PM	9h 56m 12s
	17 Tue	6:19 AM	6:48 AM	11:46 AM	4:43 PM	5:12 PM	9h 54m 19s
	18 Wed	6:20 AM	6:49 AM	11:46 AM	4:42 PM	5:11 PM	9h 52m 29s
	19 Thu	6:21 AM	6:51 AM	11:46 AM	4:41 PM	5:10 PM	9h 50m 40s
	20 Fri	6:22 AM	6:52 AM	11:46 AM	4:41 PM	5:10 PM	9h 48m 54s
	21 Sat	6:23 AM	6:53 AM	11:47 AM	4:40 PM	5:09 PM	9h 47m 10s
	22 Sun	6:24 AM	6:54 AM	11:47 AM	4:39 PM	5:09 PM	9h 45m 29s
	23 Mon	6:25 AM	6:55 AM	11:47 AM	4:39 PM	5:08 PM	9h 43m 51s
	24 Tue	6:26 AM	6:56 AM	11:47 AM	4:38 PM	5:08 PM	9h 42m 15s
	25 Wed	6:27 AM	6:57 AM	11:48 AM	4:38 PM	5:08 PM	9h 40m 42s
	26 Thu	6:28 AM	6:58 AM	11:48 AM	4:37 PM	5:07 PM	9h 39m 11s
	27 Fri	6:29 AM	6:59 AM	11:48 AM	4:37 PM	5:07 PM	9h 37m 43s
	28 Sat	6:30 AM	7:00 AM	11:49 AM	4:37 PM	5:07 PM	9h 36m 19s
	29 Sun	6:31 AM	7:01 AM	11:49 AM	4:36 PM	5:06 PM	9h 34m 57s
	30 Mon	6:32 AM	7:02 AM	11:49 AM	4:36 PM	5:06 PM	9h 33m 38s

Photos

Sunrise and sunset photos of Boulder from Flickr.

FAQ

Frequently asked questions about sunrise and sunset in Boulder, United States

What time does the sun rise in Boulder today?: Sunrise in Boulder today (Wednesday, November 4, 2026) is at 6:33 AM. The sun comes up in the ESE.
What time does the sun set in Boulder today?: Sunset today is at 4:55 PM, after 10h 21m of daylight.
When does it get dark in Boulder tonight?: Civil twilight ends at 5:23 PM. After that you need artificial light for most things outdoors. Astronomical twilight ends at 6:27 PM, which is when night starts by the standard definition.How long after sunset it gets dark
When is the longest day in Boulder, United States?: The longest day of 2026 in Boulder is Sunday, June 21, 2026, the summer solstice, with 15h 01m of daylight. In 2027 the summer solstice falls on June 21, 2027.More on the summer solstice
When is the shortest day in Boulder, United States?: The shortest day of 2026 in Boulder, Colorado is Monday, December 21, 2026, the winter solstice, with 9h 19m of daylight. In 2027 the winter solstice lands on December 21, 2027.
How much more daylight does Boulder get in summer than in winter?: Boulder gets 5h 41m more daylight on its longest day than on its shortest (15h 01m against 9h 19m). Averaged across the year, a day here has 12h 12m of daylight.
When is the earliest sunrise in Boulder?: The earliest sunrise of 2026 in Boulder is on Saturday, June 13, 2026, when the sun comes up at 5:31 AM.
When is the latest sunset in Boulder?: The latest sunset is on Saturday, June 27, 2026 at 8:34 PM.
When is the earliest sunset in Boulder?: The earliest sunset of the year is on Monday, December 7, 2026, with the sun down by 4:35 PM.Why it comes before the shortest day
When is the latest sunrise in Boulder?: The latest sunrise is on Saturday, October 31, 2026 at 7:29 AM.
Does Boulder observe daylight saving time?: Yes. Boulder 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 Boulder

Cities near Boulder

National parks & monuments nearby

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