Geographic position of Castle Rock
Castle Rock is located in the Northern Hemisphere and the Western Hemisphere. Its coordinates are 39.3722° N, 104.8561° W.
-
Distance from the Equator:
about 4,383 km (2,723 mi)
-
Distance from the North Pole:
about 5,636 km (3,502 mi)
-
Distance from the South Pole:
about 14,402 km (8,949 mi)
-
Distance from the Prime Meridian:
about 9,023 km (5,607 mi) west
Castle Rock lies in the temperate latitude zone. This latitude affects daylight length, seasonal variation and how local solar time compares with standard clock time.
Population Ranking of Castle Rock
With a population of 55,591, Castle Rock ranks as the 841st most populous city in United States, out of 3,397 cities tracked on this site.
Nearest Airport to Castle Rock
Denver International Airport (DEN / KDEN) is a major international airport located about 56 km (35 mi) from Castle Rock.
Current local time at the airport is 05:34:36.
Daylight saving time changes in Castle Rock
Castle Rock uses the IANA time zone identifier America/Denver. The current local offset is UTC-6 / MDT.
2026
Previous change: Daylight saving time started
- The offset changed from UTC-7 / MST to UTC-6 / MDT.
- The clock was moved forward from 02:00 to 03:00 local time.
2026
Next change: Standard time starts
- The offset will change from UTC-6 / MDT to UTC-7 / MST.
- The clock will be moved back from 02:00 to 01:00 local time.
Best Time to Call Castle Rock
Business hours in Castle Rock (9 AM-5 PM local time) fall at these local times elsewhere:
- New York: 11:00 AM - 7:00 PM ( Convenient)
- Los Angeles: 8:00 AM - 4:00 PM ( Convenient)
- London: 4:00 PM - 12:00 AM (next day) ( Partial overlap)
- Dubai: 7:00 PM - 3:00 AM (next day) ( Partial overlap)
- Mumbai: 8:30 PM - 4:30 AM (next day) ( Partial overlap)
- Tokyo: 12:00 AM (next day) - 8:00 AM (next day) ( Outside normal hours)
- Sydney: 1:00 AM (next day) - 9:00 AM (next day) ( Outside normal hours)
Times shown reflect current UTC offsets and may shift by up to an hour around daylight saving transitions.
Time Difference from Castle Rock
Compare time in Castle Rock with major cities worldwide.
Time now in other cities in United States
Frequently Asked Questions
What time zone is Castle Rock in?
Castle Rock follows the America/Denver time zone, the official IANA identifier used by computers and databases worldwide to track local time accurately. Right now, this puts Castle Rock at UTC-6.
What time is it in Castle Rock right now?
The current local time in Castle Rock is 05:34:36 on Wednesday, 26 August 2026. This page updates automatically, so refreshing it will always show the live time.
Does Castle Rock observe daylight saving time?
Yes. Castle Rock is currently observing daylight saving time, which temporarily shifts the clock forward by one hour compared to standard time.
How far ahead or behind UTC is Castle Rock?
Castle Rock is currently UTC-6, meaning local time is 6 hours behind Coordinated Universal Time (UTC).
What is the nearest airport to Castle Rock?
Denver International Airport (DEN) is the nearest airport to Castle Rock, located about 56 km away. The current local time at the airport is 05:34:36.
Time Tools
Quick access to timers, stopwatch, world clock and time zone tools.
Time Guides
Read useful guides about time zones, calendars, finance and astronomy.
