Time.is

Time in Castle Rock, Colorado, United States now

13:29:52

Thursday, 5 March, 2026, week 10

Castle Rock switches to daylight saving time at 02:00 on Sunday, 8 March. The time is set one hour forward.
Sun: ↑ 06:26 ↓ 17:56 (11h 30m) - More info - Make Castle Rock time default - Add to favorite locations

UTC -7

Mountain Time (MT)
now 2 hours behind New York

From 8 March 2026: UTC -6 / Mountain Daylight Time (MDT)
The time in Castle Rock is normally two hours behind the time in New York, but because these time zones don't share the same start and end times for daylight saving time, the time in Castle Rock can for a short while be 1 or 3 hours behind the time in New York.
The IANA time zone identifier for Castle Rock is America/Denver.

Sunday November 2 2025

Latest change: Winter time started

Sunday March 8 2026

Next change: Summer time starts

Sunrise: 06:26
Sunset: 17:56
Day length: 11h 30m
Solar noon: 12:11
The current local time in Castle Rock is 11 minutes ahead of apparent solar time.