Time in Castle Rock, United States of America | Castle Rock Now
Wednesday, 21 October 2026
Time zone information for Castle Rock
UTC -6
Mountain Time (MT) , currently 13 hours behind Thành phố Hồ Chí Minh
▪Part of the year: UTC -7 / Mountain Standard Time (MST)
▪Time in Castle Rock is 14 hours behind Thành phố Hồ Chí Minh when on standard time, and 13 hours behind Thành phố Hồ Chí Minh when on daylight saving time.
▪The IANA time zone identifier for Castle Rock is
America/Denver.March8Sunday2026
Latest change: Daylight saving time started
- ▪Switched to UTC -6 / Mountain Daylight Time (MDT).
- ▪The time was set forward one hour from 02:00 to 03:00 local time.
November1Sunday2026
Next change: Standard time begins
- ▪Switch to UTC -7 / Mountain Standard Time (MST).
- ▪The time will be set backward one hour from 02:00 to 01:00 local time.
Sunrise, sunset, day length and solar time for Castle Rock
- ▪Sunrise: 07:15
- ▪Sunset: 18:11
- ▪Day length: 10h 56m
- ▪Solar noon: 12:43
- ▪Current time in Castle Rock is currently 43 minutes ahead of solar time.
Castle Rock on map
- ▪Location: Colorado, United States of America
- ▪Latitude: 39,37. Longitude: -104,86
- ▪Population: 55,591
- ▪Elevation: 1897 m
Time difference
from Castle Rock
Sun cycle
Sunrise 07:15
Solar noon 12:43Sunset 18:11
Time zone & DST
- IANA identifier
America/Denver- Abbreviation
- MDT
- UTC offset
- UTC-06:00
- Daylight saving
- In effect
- DST Ends
- 1 Nov 2026in 10 days, 12 hours
- Current Unix epoch
- 1792609637
Sun & astronomy
- Sunrise
- 07:15
- Sunset
- 18:11
- Solar noon
- 12:43
- Day length
- 10h 56m
- Night length
- 13h 03m
- Civil twilight
- 06:48 – 18:39
Geography & country
- Country
- United States of America
- Region / State
- Colorado
- Coordinates
- 39.372°, -104.856°
- Elevation
- 1897 m
- Population
- 55,591
Nearby places
Compare Castle Rock with other time zones
Find the perfect meeting time or see what time it is across world capitals.