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Flag for USA Current Local Time in Boulder, Colorado, USA

6:43:21 am MST

Monday, February 20, 2017

Country: United States

State: Colorado (CO)


Lat/Long: 40°01'N / 105°16'W

Currency: United States Dollar (USD)


Languages: English

Dial Codes: +1 - See how to dial

Location of BoulderLocation

Holiday Note: Feb 20, Presidents' Day. Businesses may be closed. See more

Time Zone

MST (Mountain Standard Time)
UTC/GMT -7 hours
Daylight Saving Time starts on Sunday, March 12, 2017 at 2:00 am

DST starts

Mar 12, 2017
Forward 1 hour
Daylight Saving Time ends on Sunday, November 5, 2017 at 2:00 am

DST ends

Nov 5, 2017
Back 1 hour

Difference

2 hours behind
Washington DC
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°F

Weather

41 °F

Passing clouds.
36 / 61 °F

Tue 21.47 / 69 °F
Wed 22.35 / 62 °F

Weather by CustomWeather, © 2017

More weather details

Sunrise

6:47 am
103° East

Sunset

5:43 pm
257° West

Day length

10 hours, 56 minutes
+2m 30s longer

Moon 33.8%

Rise – 2:17 am
Set – 12:28 pm

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

Solar Noon

Sun in South: 12:15 pm
Altitude: 39.4°

Astronomical
Twilight

5:17 am – 5:48 am
6:42 pm – 7:14 pm

Nautical
Twilight

5:48 am – 6:19 am
6:11 pm – 6:42 pm

Civil
Twilight

6:19 am – 6:47 am
5:43 pm – 6:11 pm

Previous
Moon Phase

Third Quarter
February 18, 2017
12:33 pm

Next
Moon Phase

New Moon
February 26, 2017
7:58 am
Boulder
USA
6:4321am
Monday, February 20, 2017