Current Time in Boulder, Colorado
Boulder is on Mountain Daylight Time (MDT, UTC−6). It is 2 hours behind New York.
Boulder now
Saturday, 24 October 2026
Mountain Daylight Time · MDT · UTC−06:00
Current time in Boulder: 11:32 PM, Saturday 24 October
Your timeConvert
Sunrise 7:21 AMNowSunset 6:08 PM
Boulder time facts
- Time zone
- Mountain Time (MT)
- UTC offset now
- UTC−06:00
- Daylight saving time
- In effect · ends Sun, 1 Nov 2026, 2:00 AM
- Region
- Colorado
- Country
- United States
- IANA zone
- America/Denver
- Coordinates
- 40.02° N, 105.27° W
Clocks go back 1 hour on Sun, 1 Nov 2026, 2:00 AM, in 8 days. Boulder then moves to UTC−07:00.
Time difference from Boulder
| Place | Local time | vs Boulder |
|---|---|---|
| Your time | - | - |
| New York | 1:32 AM | +2 h |
| London | 5:32 AM | +6 h |
| Dubai | 9:32 AM | +10 h |
| India | 11:02 AM | +11.5 h |
| Tokyo | 2:32 PM | +15 h |
| Sydney | 4:32 PM | +17 h |
Other places on Mountain Time
More for Boulder
Questions
Does Boulder observe daylight saving time?
Yes. Boulder is on daylight time now (UTC−06:00). The next change is on Sun, 1 Nov 2026, 2:00 AM, when clocks go back 1 hour.
What time zone is Boulder in?
Boulder uses Mountain Time (MT), IANA zone America/Denver. Right now that is UTC−06:00 (MDT).
Is Boulder the same time as California?
No. Boulder is 1 hour ahead of California right now.