Boulder County in numbers
- Coordinates
- 40.0925, -105.3580
- Region
- Colorado
- Country
- United States, North America
- Capital
- Washington, D.C. — 2424 km away
Local time in Boulder County, Colorado, United States is shown on this page, based on the America/Denver time zone (−7).
Boulder County, United States
Tuesday, 3 November 2026
UTC−7 · America/Denver
Local time in Boulder County
UTC−7 · no daylight saving time
Boulder County keeps America/Denver clock_time.
Sunrise 6:34 AM Solar noon 11:46 AM Sunset 4:58 PM Daylight 10 h 24 min Night 13 h 36 min Civil twilight 6:06 AM – 5:26 PM
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Weather data by Open-Meteo, updated every 30 minutes.
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.
Postal designations for Boulder County total 11.
Boulder County observes America/Denver time, currently expressed as UTC−7. Daylight saving time here: No.
Today's schedule for Boulder County: sunrise 6:34 AM, sunset 4:58 PM. That gives 10 h 24 min of daylight.
Glendale and Springdale lie near Boulder County and keep identical time.