What Time is Sunrise and Sunset in Boulder County, CO?

Here are today and tomorrow's sunrise and sunset times in Boulder County, Colorado. You'll also find a sunrise and sunset calendar for Boulder County at the bottom of the page.

Today Saturday, May 25, 2024

Sunrise

5:39 am

Dawn: 5:07 am

Sunrise today in Boulder County was at 5:39 AM MDT ().

Sunset

8:20 pm

Dusk: 8:52 pm

Sunset today in Boulder County will be at 8:20 PM MDT ().

Tomorrow Sunday, May 26, 2024

Sunrise

5:38 am

Dawn: 5:06 am

Sunrise tomorrow in Boulder County will be at 5:38 AM MDT ().

Sunset

8:21 pm

Dusk: 8:53 pm

Sunset tomorrow in Boulder County will be at 8:21 PM MDT ().

Photos Sunrise and Sunset Photos of Boulder County

Sunrise and sunset photos of Boulder County, CO from Flickr.

Johnny Cash Cloud
Morning Cloudscape
Mountain layers: wind swept
Sanitas Sunrise
The edge of Twilight
As the years go by
Moonset over lenticulars
North Saint Vrain
Mt. Sanitas Tip Top
Sun Rising on the Past - Boulder County, Colorado
10-21-2012
Eating some dinner and surfing the net from my porch during a beautiful sunset. I love Colorado.
Heil Ranch
uh oh!  its morning time again
Spring Sunset 2007
DSC05939.JPG

Calendar Boulder County Sunrise and Sunset Calendar

Sunrise calendar and sunset calendar for Boulder County, Colorado. Here are Boulder County, CO day length, dawn, dusk, and solar noon times.

Date Dawn Sunrise Solar Noon Sunset Dusk Day Length
May 24, 2024 5:08 am 5:39 am 12:59 pm 8:19 pm 8:51 pm 14h 39m
May 25, 2024 5:07 am 5:39 am 12:59 pm 8:20 pm 8:52 pm 14h 41m
May 26, 2024 5:06 am 5:38 am 1:00 pm 8:21 pm 8:53 pm 14h 42m
May 27, 2024 5:06 am 5:38 am 1:00 pm 8:22 pm 8:54 pm 14h 44m
May 28, 2024 5:05 am 5:37 am 1:00 pm 8:22 pm 8:54 pm 14h 45m
May 29, 2024 5:05 am 5:37 am 1:00 pm 8:23 pm 8:55 pm 14h 46m
May 30, 2024 5:04 am 5:36 am 1:00 pm 8:24 pm 8:56 pm 14h 47m
May 31, 2024 5:03 am 5:36 am 1:00 pm 8:25 pm 8:57 pm 14h 49m
June 1, 2024 5:03 am 5:35 am 1:00 pm 8:25 pm 8:58 pm 14h 50m
June 2, 2024 5:02 am 5:35 am 1:00 pm 8:26 pm 8:58 pm 14h 51m
June 3, 2024 5:02 am 5:34 am 1:01 pm 8:27 pm 8:59 pm 14h 52m
June 4, 2024 5:02 am 5:34 am 1:01 pm 8:28 pm 9:00 pm 14h 53m
June 5, 2024 5:01 am 5:34 am 1:01 pm 8:28 pm 9:01 pm 14h 54m
June 6, 2024 5:01 am 5:34 am 1:01 pm 8:29 pm 9:01 pm 14h 55m
June 7, 2024 5:01 am 5:33 am 1:01 pm 8:29 pm 9:02 pm 14h 56m
June 8, 2024 5:00 am 5:33 am 1:02 pm 8:30 pm 9:03 pm 14h 56m
June 9, 2024 5:00 am 5:33 am 1:02 pm 8:30 pm 9:03 pm 14h 57m
June 10, 2024 5:00 am 5:33 am 1:02 pm 8:31 pm 9:04 pm 14h 58m
June 11, 2024 5:00 am 5:33 am 1:02 pm 8:31 pm 9:04 pm 14h 58m
June 12, 2024 5:00 am 5:33 am 1:02 pm 8:32 pm 9:05 pm 14h 59m
June 13, 2024 5:00 am 5:33 am 1:02 pm 8:32 pm 9:05 pm 14h 59m
June 14, 2024 5:00 am 5:33 am 1:03 pm 8:33 pm 9:06 pm 15h
June 15, 2024 5:00 am 5:33 am 1:03 pm 8:33 pm 9:06 pm 15h
June 16, 2024 5:00 am 5:33 am 1:03 pm 8:34 pm 9:06 pm 15h
June 17, 2024 5:00 am 5:33 am 1:03 pm 8:34 pm 9:07 pm 15h 1m
June 18, 2024 5:00 am 5:33 am 1:03 pm 8:34 pm 9:07 pm 15h 1m
June 19, 2024 5:00 am 5:33 am 1:04 pm 8:34 pm 9:07 pm 15h 1m
June 20, 2024 5:00 am 5:33 am 1:04 pm 8:35 pm 9:08 pm 15h 1m
June 21, 2024 5:00 am 5:33 am 1:04 pm 8:35 pm 9:08 pm 15h 1m
June 22, 2024 5:01 am 5:34 am 1:04 pm 8:35 pm 9:08 pm 15h 1m
June 23, 2024 5:01 am 5:34 am 1:05 pm 8:35 pm 9:08 pm 15h 1m
June 24, 2024 5:01 am 5:34 am 1:05 pm 8:35 pm 9:08 pm 15h 1m
June 25, 2024 5:02 am 5:34 am 1:05 pm 8:35 pm 9:08 pm 15h
June 26, 2024 5:02 am 5:35 am 1:05 pm 8:35 pm 9:08 pm 15h
June 27, 2024 5:02 am 5:35 am 1:05 pm 8:35 pm 9:08 pm 15h
June 28, 2024 5:03 am 5:36 am 1:05 pm 8:35 pm 9:08 pm 14h 59m
June 29, 2024 5:03 am 5:36 am 1:06 pm 8:35 pm 9:08 pm 14h 59m
June 30, 2024 5:04 am 5:36 am 1:06 pm 8:35 pm 9:08 pm 14h 58m
July 1, 2024 5:04 am 5:37 am 1:06 pm 8:35 pm 9:08 pm 14h 58m
July 2, 2024 5:05 am 5:37 am 1:06 pm 8:35 pm 9:08 pm 14h 57m
July 3, 2024 5:05 am 5:38 am 1:06 pm 8:35 pm 9:07 pm 14h 56m
July 4, 2024 5:06 am 5:39 am 1:07 pm 8:35 pm 9:07 pm 14h 56m
July 5, 2024 5:07 am 5:39 am 1:07 pm 8:34 pm 9:07 pm 14h 55m
July 6, 2024 5:07 am 5:40 am 1:07 pm 8:34 pm 9:07 pm 14h 54m
July 7, 2024 5:08 am 5:40 am 1:07 pm 8:34 pm 9:06 pm 14h 53m
July 8, 2024 5:09 am 5:41 am 1:07 pm 8:33 pm 9:06 pm 14h 52m
July 9, 2024 5:09 am 5:42 am 1:07 pm 8:33 pm 9:05 pm 14h 51m

FAQ Frequently Asked Questions about Boulder County

When is the shortest day in Boulder County, CO?

The shortest day of the year in Boulder County, Colorado will be on Saturday, December 21, 2024. In 2025 the shortest day of the year will be on December 21, 2025.

When is the longest day in Boulder County, CO?

The longest day in Boulder County, Colorado will be on Thursday, June 20, 2024. Next year the longest day of the year in Boulder County, Colorado will be on June 21, 2025.

When is the earliest sunrise in Boulder County, CO?

The earliest sunrise time of 2024 in Boulder County, Colorado will be on Friday, June 14, 2024 at 5:33 AM.

When is the latest sunset in Boulder County, CO?

The latest sunset time in Boulder County, Colorado will be on Thursday, June 27, 2024 at 8:35 PM.

Boulder County is located in north-central Colorado and is home to the city of Boulder. The county is known for its Rocky Mountain scenery and its outdoor recreation opportunities. Boulder County is home to several state and national parks, including Rocky Mountain National Park.

Boulder County, CO
40.09246,-105.3577
Timezone: America/Denver