Current Local Time in Boulder, Colorado, USA

11:15:05 pm MDT

Friday, May 8, 2026

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

57 °F

Clear.
76 / 48 °F

Sun 10.		68 / 44 °F
Mon 11.		83 / 46 °F

More weather details

Time Zone

MDT (Mountain Daylight Time)
UTC/GMT -6 hours

DST started

Mar 8, 2026
Forward 1 hour

DST ends

Nov 1, 2026
Back 1 hour

Difference

2 hours behind
Columbus

About MDT — Mountain Daylight Time

Set your location

Sunrise

5:52 am
↑ 67° East

Sunset

8:02 pm
↑ 294° Northwest

Day length

14 hours, 10 minutes
+2m 5s longer

Moon 56.7%

Rise – 1:32 am
Set – 11:08 am

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

Solar Noon

Sun in South: 12:57 pm
Altitude: 67.2°

Astronomical
Twilight

4:05 am – 4:45 am
9:10 pm – 9:50 pm

Nautical
Twilight

4:45 am – 5:22 am
8:33 pm – 9:10 pm

Civil
Twilight

5:22 am – 5:52 am
8:02 pm – 8:33 pm

Previous
Moon Phase

Full Moon
May 1, 2026
11:23 am

Next
Moon Phase

Third Quarter
May 9, 2026
3:10 pm

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Tools & Converters

Calendar & Holidays

Create the United States calendar

Upcoming Holidays

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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

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Boulder

USA

11:15 05 pm

Friday, May 8, 2026