Current Local Time in Boulder, Colorado, USA

4:21:42 am MDT

Friday, May 17, 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

°F

Weather

55 °F

Clear.
82 / 53 °F

Sat 18.		75 / 51 °F
Sun 19.		80 / 49 °F

More weather details

Time Zone

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

DST started

Mar 10, 2024
Forward 1 hour

DST ends

Nov 3, 2024
Back 1 hour

Difference

2 hours behind
Columbus

About MDT — Mountain Daylight Time

Set your location

Sunrise

5:43 am
↑ 63° Northeast

Sunset

8:12 pm
↑ 297° Northwest

Day length

14 hours, 29 minutes
+1m 47s longer

Moon 68.2%

Set – 3:00 am
Rise – 2:40 pm

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

Solar Noon

Sun in South: 12:57 pm
Altitude: 69.6°

Astronomical
Twilight

3:51 am – 4:34 am
9:21 pm – 10:04 pm

Nautical
Twilight

4:34 am – 5:12 am
8:43 pm – 9:21 pm

Civil
Twilight

5:12 am – 5:43 am
8:12 pm – 8:43 pm

Previous
Moon Phase

First Quarter
May 15, 2024
5:48 am

Next
Moon Phase

Full Moon
May 23, 2024
7:53 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

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Boulder

USA

4:2142am

Friday, May 17, 2024