Current Local Time in Boulder, Colorado, USA

7:03:59 am MST

Wednesday, January 22, 2025

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

°F

Weather

27 °F

Clear.
32 / 14 °F

Thu 23.		33 / 12 °F
Fri 24.		44 / 19 °F

More weather details

Time Zone

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

DST starts

Mar 9, 2025
Forward 1 hour

DST ends

Nov 2, 2025
Back 1 hour

Difference

2 hours behind
Columbus

About MST — Mountain Standard Time

Set your location

Sunrise

7:17 am
↑ 115° Southeast

Sunset

5:08 pm
↑ 245° West

Day length

9 hours, 52 minutes
+1m 48s longer

Moon 43.3%

Rise – 1:11 am
Set – 11:20 am

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

Solar Noon

Sun in South: 12:12 pm
Altitude: 30.5°

Astronomical
Twilight

5:42 am – 6:14 am
6:10 pm – 6:43 pm

Nautical
Twilight

6:14 am – 6:47 am
5:37 pm – 6:10 pm

Civil
Twilight

6:47 am – 7:17 am
5:08 pm – 5:37 pm

Previous
Moon Phase

Third Quarter
January 21, 2025
1:30 pm

Next
Moon Phase

New Moon
January 29, 2025
5:35 am

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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

7:0359am

Wednesday, January 22, 2025