Boulder in numbers
- Coordinates
- 40.0150, -105.2710
- Population
- 106 803
- Region
- Colorado
- Country
- United States, North America
- Capital
- Washington, D.C. — 2417 km away
- Same name
- 7 more places in the world share this name
What time is it in Boulder, Colorado, United States
This page shows the current local time in Boulder, Colorado, United States, in the America/Denver time zone (−6).
Boulder, United States
Friday, 16 October 2026
UTC−6 · America/Denver
Local time in Boulder
UTC−6 · daylight saving time is active
Boulder keeps America/Denver clock_time.
The sun today
Sunrise 7:14 AM Solar noon 12:48 PM Sunset 6:22 PM Daylight 11 h 08 min Night 12 h 52 min Civil twilight 6:46 AM – 6:49 PM
Weather in Boulder right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Boulder and its neighbours
Postal codes
- 59632
- 80301
- 80302
- 80303
- 80304
- 80305
- 80306
- 80307
- 80308
- 80309
- 80310
- 80314
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.
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 Boulder
- Boulder Western Australia, Australia
- Boulder Montana, United States
- Boulder Wyoming, United States
- Boulder Idaho, United States
- Boulder Illinois, United States
Same time zone — America/Denver
Nearby places
- Ara — 2.1 km
- Seven Hills — 3.7 km
- Orodell — 4.6 km
- Valmont — 5.2 km
- Boulder Junction — 5.3 km
- Pine Brook Hill — 5.4 km
Time and daylight in Boulder
Boulder shares its time with neighbouring Ara and Seven Hills.
The full list of postal codes for Boulder runs to 12.
The zone applied in Boulder is America/Denver with offset UTC−6. Whether clocks shift for daylight saving: Yes.
Sunrise for Boulder today is set at 7:14 AM, sunset at 6:22 PM. Daylight covers 11 h 08 min.
Questions and answers
- Which time zone determines the local time in Boulder?
- Local time in Boulder is determined by America/Denver, with an offset of −6.
- Does the time in Boulder vary with the season?
- Daylight saving time in Boulder: Yes.
- Is there a set time for sunrise in Boulder?
- Today the sun rises at 7:14 AM.