Current Time in Boulder, United States
Boulder is on Mountain Standard Time – MST (UTC−7) right now. It switches to MDT (UTC−6) on 14 Mar 2027.
--:--:--
· Boulder
America/Denver
Convert Boulder time
Time zone of Boulder
| Time zone | Mountain Standard Time |
|---|---|
| Abbreviation | MST |
| UTC offset | UTC−7 |
| IANA time zone id | America/Denver |
| Daylight saving time | Yes – UTC−7 in winter, UTC−6 in summer |
Time difference between Boulder and other cities
Daylight saving time in Boulder
2026
- 8 March 2026: Clocks go forward 1 hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- 1 November 2026: Clocks go back 1 hour at 01:59 local time, from MDT (UTC−6) to MST (UTC−7).
2027
- 14 March 2027: Clocks go forward 1 hour at 01:59 local time, from MST (UTC−7) to MDT (UTC−6).
- 7 November 2027: Clocks go back 1 hour at 01:59 local time, from MDT (UTC−6) to MST (UTC−7).
Boulder time FAQ
What time is it in Boulder right now?
Boulder is on MST (UTC−7). The live clock at the top of this page shows the current local time in Boulder, updated every second.
What time zone is Boulder in?
Boulder is in Mountain Standard Time, abbreviated MST, UTC−7. Its IANA time zone id is America/Denver.
Does Boulder observe daylight saving time?
Yes. The next change is on 14 Mar 2027, when clocks go forward one hour from MST to MDT.
What is the time difference between Boulder and New York?
New York is 2 hours ahead of Boulder.
Other cities in USA
Updated 6 November 2026. Time zone data: IANA tz database.