Check the current local time in Boulder, Montana, United States of America, including timezone, daylight saving time information and time difference details.
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 40 m 8 s
Phase: Waxing gibbous
Daylight Saving Time
DST starts
Date and time
Clock change
09:00 10:00 (+1 hour forward)
DST ends
Date and time
Clock change
08:00 07:00 (−1 hour back)
46.2366, -112.1208
Boulder is one of the cities in United States of America, located in North America. The population of Boulder is 1,207 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 |
|---|---|
| Atlanta America/New_York (—) | — |
| Austin America/Chicago (—) | — |
| Charlotte America/New_York (—) | — |
| Chicago America/Chicago (—) | — |
| Columbus America/New_York (—) | — |
| Denver America/Denver (—) | — |
| El Paso America/Denver (—) | — |
| Indianapolis America/Indiana/Indianapolis (—) | — |
| Long Beach America/Los_Angeles (—) | — |
| Mesa America/Phoenix (—) | — |
| Nashville America/Chicago (—) | — |
| New York America/New_York (—) | — |
| Oakland America/Los_Angeles (—) | — |
| Philadelphia America/New_York (—) | — |
| Sacramento America/Los_Angeles (—) | — |
| San Antonio America/Chicago (—) | — |
| San Diego America/Los_Angeles (—) | — |
| San Francisco America/Los_Angeles (—) | — |
| Staten Island America/New_York (—) | — |
| Tucson America/Phoenix (—) | — |
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, Boulder Valley, Болдер, Боулдер, Боулдэр, بولدر, بوولدر، مونتانا, 博尔德.
09:00 
08:00 