Current Local Time in Castle Rock, Colorado, USA

11:06:21 am MST

Tuesday, December 9, 2025

Country:	United States
State:	Colorado (CO)
Lat/Long:	39°22'N / 104°51'W
Elevation:	1897 m
Currency:	United States Dollar (USD)
Languages:	English
Country Code:	+1

°F

Weather

54 °F

Partly sunny.
55 / 31 °F

Wed 10.		54 / 30 °F
Thu 11.		59 / 37 °F

More weather details

Time Zone

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

DST started

Mar 9, 2025
Forward 1 hour

DST ended

Nov 2, 2025
Back 1 hour

Difference

2 hours behind
New York

About MST — Mountain Standard Time

Set your location

Sunrise

7:07 am
↑ 119° Southeast

Sunset

4:35 pm
↑ 241° Southwest

Day length

9 hours, 28 minutes
-46s shorter

Moon 71.4%

Set – 11:19 am
Rise – 10:04 pm

More Sun & Moon in Castle Rock
+ Show More Twilight and Moon Phase Information

Solar Noon

Sun in South: 11:51 am
Altitude: 27.8°

Astronomical
Twilight

5:31 am – 6:04 am
5:39 pm – 6:12 pm

Nautical
Twilight

6:04 am – 6:37 am
5:05 pm – 5:39 pm

Civil
Twilight

6:37 am – 7:07 am
4:35 pm – 5:05 pm

Previous
Moon Phase

Full Moon
December 4, 2025
4:14 pm

Next
Moon Phase

Third Quarter
December 11, 2025
1:51 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 35 mi NNE of Castle Rock
Colorado Springs Airport, COS
About 40 mi SSE of Castle Rock

Other cities near Castle Rock

Fullscreen Exit

Castle Rock

USA

11:0621am

Tuesday, December 9, 2025