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What time is it in Castle Rock, Colorado, United States

This page holds the current clock reading for Castle Rock, Colorado, United States, in the America/Denver time zone (−7).

Castle Rock, United States

2:18:56 AM

Tuesday, 3 November 2026

UTC−7 · America/Denver

Local time in Castle Rock

UTC−7 · no daylight saving time

Local time in Castle Rock, Colorado.

The sun today

Sunrise 6:31 AM Solar noon 11:44 AM Sunset 4:58 PM Daylight 10 h 27 min Night 13 h 33 min Civil twilight 6:03 AM – 5:25 PM

Weather in Castle Rock right now

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Weather data by Open-Meteo, updated every 30 minutes.

Castle Rock and its neighbours

Castle Rock at 39.3722, -104.8560 with the nearest towns within 7.9 km · open in OpenStreetMap

Postal codes

55010
80104
80108
80109
98611

Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.

Castle Rock in numbers

Coordinates: 39.3722, -104.8560
Elevation: 1897 m above sea level
Population: 55 591
Region: Colorado
Country: United States, North America
Capital: Washington, D.C. — 2391 km away
Same name: 10 more places in the world share this name

Largest cities in Colorado

Denver 729 019
Colorado Springs 456 568
Aurora 359 407
Fort Collins 170 924
Lakewood 152 597
Thornton 133 451

Other places named Castle Rock

Castle Rock Washington, United States
Castle Rock Wisconsin, United States
Castle Rock New South Wales, Australia
Castle Rock British Columbia, Canada
Castle Rock Karnataka, India

Same time zone — America/Denver

Denver United States
El Paso United States

Nearby places

Founders Village — 4.1 km
Castle Oaks — 4.5 km
Silver Heights — 5.2 km
Monte Vista Estates — 5.6 km
Castlewood North — 6.9 km
Happy Canyon — 7.1 km

About the time in Castle Rock

There are 5 postal codes assigned to Castle Rock.

The zone that governs Castle Rock is America/Denver at UTC−7. Whether the clocks move seasonally: No.

The sun comes up over Castle Rock at 6:31 AM today and drops below the horizon at 4:58 PM. That is 10 h 27 min between the two.

Nearby Founders Village and Castle Oaks follow the same clock as Castle Rock.

Questions and answers

What time zone is used by Castle Rock?: Castle Rock uses the America/Denver time zone, which has an offset of −7.
Is a seasonal hour added to the clock in Castle Rock?: No.
When do sunrise and sunset happen in Castle Rock?: Sunrise is at 6:31 AM and sunset at 4:58 PM.