Current Local Time in Boulder, Colorado, USA

10:15:03 am MST

Wednesday, December 25, 2024

Country:	United States
State:	Colorado (CO)
Lat/Long:	40°01'N / 105°16'W
Elevation:	1623 m
Currency:	United States Dollar (USD)
Languages:	English
Country Code:	+1

Holiday Note: Dec 25, Christmas Day. Businesses may be closed. See more

°F

Weather

37 °F

Sunny.
49 / 34 °F

Thu 26.		51 / 29 °F
Fri 27.		46 / 32 °F

More weather details

Time Zone

MST (Mountain Standard Time)
UTC/GMT -7 hours

DST started

Mar 10, 2024
Forward 1 hour

DST ended

Nov 3, 2024
Back 1 hour

Difference

2 hours behind
Columbus

About MST — Mountain Standard Time

Set your location

Sunrise

7:21 am
↑ 120° Southeast

Sunset

4:41 pm
↑ 240° Southwest

Day length

9 hours, 20 minutes
+15s longer

Moon 25.0%

Rise – 2:22 am
Set – 12:55 pm

More Sun & Moon in Boulder
+ Show More Twilight and Moon Phase Information

Solar Noon

Sun in South: 12:01 pm
Altitude: 26.7°

Astronomical
Twilight

5:43 am – 6:16 am
5:46 pm – 6:19 pm

Nautical
Twilight

6:16 am – 6:50 am
5:12 pm – 5:46 pm

Civil
Twilight

6:50 am – 7:21 am
4:41 pm – 5:12 pm

Previous
Moon Phase

Third Quarter
December 22, 2024
3:18 pm

Next
Moon Phase

New Moon
December 30, 2024
3:26 pm

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Tools & Converters

Calendar & Holidays

Create the United States calendar

Upcoming Holidays

More Holidays in the United States

Airports

Denver International Airport, DEN
About 33 mi ESE of Boulder
Colorado Springs Airport, COS
About 89 mi SSE of Boulder

Other cities near Boulder

Fullscreen Exit

Boulder

USA

10:1503am

Wednesday, December 25, 2024