Check the current local time in Boulder, Colorado, United States of America, including timezone, daylight saving time information and time difference details.
Boulder, Colorado, United States of America City
America/Denver
Online clock — Boulder
Use the time converter to plan calls, meetings, and working hours between your location and Boulder, United States of America. Time calculations use the America/Denver time zone and automatically adjust for daylight saving time when applicable.
Day length: 10 h 35 m 2 s
Phase: Waning gibbous
Daylight Saving Time
DST starts
Date and time
Clock change
02:00 03:00 (+1 hour forward)
DST ends
Date and time
Clock change
02:00 01:00 (−1 hour back)
40.0150, -105.2706
Boulder is one of the cities in United States of America, located in North America. The population of Boulder is 106,803 people.
| City ▲ | Time |
|---|---|
| Austin America/Chicago (—) | — |
| Borough of Queens America/New_York (—) | — |
| Brooklyn America/New_York (—) | — |
| Charlotte America/New_York (—) | — |
| Chicago America/Chicago (—) | — |
| Columbus America/New_York (—) | — |
| Dallas America/Chicago (—) | — |
| Fort Worth America/Chicago (—) | — |
| Houston America/Chicago (—) | — |
| Indianapolis America/Indiana/Indianapolis (—) | — |
| Jacksonville America/New_York (—) | — |
| Los Angeles America/Los_Angeles (—) | — |
| Manhattan America/New_York (—) | — |
| New York America/New_York (—) | — |
| Philadelphia America/New_York (—) | — |
| Phoenix America/Phoenix (—) | — |
| San Antonio America/Chicago (—) | — |
| San Diego America/Los_Angeles (—) | — |
| San Jose America/Los_Angeles (—) | — |
| The Bronx America/New_York (—) | — |
| City ▲ | Time |
|---|---|
| Austin America/Chicago (—) | — |
| Charlotte America/New_York (—) | — |
| Chicago America/Chicago (—) | — |
| Dallas America/Chicago (—) | — |
| Houston America/Chicago (—) | — |
| Kansas City America/Chicago (—) | — |
| Las Vegas America/Los_Angeles (—) | — |
| Long Beach America/Los_Angeles (—) | — |
| Louisville America/Kentucky/Louisville (—) | — |
| Manhattan America/New_York (—) | — |
| Memphis America/Chicago (—) | — |
| Miami America/New_York (—) | — |
| Milwaukee America/Chicago (—) | — |
| Omaha America/Chicago (—) | — |
| Philadelphia America/New_York (—) | — |
| Sacramento America/Los_Angeles (—) | — |
| San Jose America/Los_Angeles (—) | — |
| The Bronx America/New_York (—) | — |
| Virginia Beach America/New_York (—) | — |
| Washington D.C. America/New_York (—) | — |
| City ▲ | Time |
|---|---|
| Arvada America/Denver (—) | — |
| Aurora America/Denver (—) | — |
| Broomfield America/Denver (—) | — |
| Castle Rock America/Denver (—) | — |
| Centennial America/Denver (—) | — |
| Colorado Springs America/Denver (—) | — |
| Commerce City America/Denver (—) | — |
| Denver America/Denver (—) | — |
| Fort Collins America/Denver (—) | — |
| Grand Junction America/Denver (—) | — |
| Greeley America/Denver (—) | — |
| Highlands Ranch America/Denver (—) | — |
| Lakewood America/Denver (—) | — |
| Longmont America/Denver (—) | — |
| Loveland America/Denver (—) | — |
| Parker America/Denver (—) | — |
| Pueblo America/Denver (—) | — |
| Thornton America/Denver (—) | — |
| Westminster America/Denver (—) | — |
The current local time in Boulder is —.
Boulder uses the timezone America/Denver.
Daylight saving time in Boulder starts on March 8, 2026.
Daylight saving time in Boulder ends on November 1, 2026.
Boulder is also known as: Boulder, 볼더, Болдер, Боулдер, Боулдър, בולדר, بولدر, بولدر، کلرادو, بولڈر، کولوراڈو, बाउल्डर.
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