Current Time in Boulder, United States
United States · MDT
Boulder Daylight TimeGMT -06Tue, Sep 8
12AM3AM6AM9AM12PM3PM6PM9PM
MST automatically adjusted to MDT time zone, that is in use
UTC · UTC
Coordinated Universal TimeGMT +00Wed, Sep 9
12AM3AM6AM9AM12PM3PM6PM9PM
Looking for a different Boulder? Other places with this name in United States: Boulder (CO).
Time zone in Boulder, United States
Boulder, United States uses the America/Denver time zone. Its standard-time UTC offset is UTC-7, and during daylight saving time the offset is UTC-6. In January the local offset is UTC-7; in July it is UTC-6.
Boulder, United States: population 1,207 · coordinates 46.23659°, -112.12083°.
Clock changes in Boulder (2026)
- On Sunday, March 8, 2026, clocks go forward 1 hour (UTC-7 → UTC-6).
- On Sunday, November 1, 2026, clocks go back 1 hour (UTC-6 → UTC-7).
Time difference between Boulder and major cities
Differences change with the seasons because daylight saving schedules differ by region — both January and July are shown. The last column shows the local time elsewhere when it is 9:00 AM in Boulder in January.
| City | In January | In July | 9:00 AM in Boulder = |
|---|---|---|---|
| New York | 2 hours behind | 2 hours behind | 11:00 AM |
| London | 7 hours behind | 7 hours behind | 4:00 PM |
| Tokyo | 16 hours behind | 15 hours behind | 1:00 AM (next day) |
| Sydney | 18 hours behind | 16 hours behind | 3:00 AM (next day) |
| Dubai | 11 hours behind | 10 hours behind | 8:00 PM |