UTC Offset
UTC-06:00
Current time in Boulder, United States
Clocks shift twice a year — UTC-07:00 in winter, UTC-06:00 in summer.
Current time in Boulder, United States
14:24 58
IANA time zone
America/Denver
Daylight saving
DST in effect
MST / MDT
Next DST change
November 1
backward -1h
Quick answer
The current local time in Boulder, United States is 14:24 (MDT), which is UTC-06:00.
Boulder is in United States, located at 40.015, -105.271.
The current time zone for Boulder is MDT, whose offset is UTC-06:00 from UTC. The IANA identifier is America/Denver.
The next daylight saving transition is November 1, 2026, when clocks move backward by 1 hour.
Timezone in Boulder
Mountain Standard Time (MST)
IANA time zone:
America/Denver During winter
MST
Mountain Standard Time
UTC-07:00
Currently active
MDT
Mountain Daylight Time
UTC-06:00
Daylight in Boulder today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 00m
Boulder, United States
- Country
- United States
- ISO code
- US
- Coordinates
- 40.0150° N, 105.2706° W
- IANA zone
- America/Denver
- Population
- 106,803
- Elevation
- 1,624 m
Your local time Detecting your timezone…
Boulder on the map · time zone
Boulder, United States
- Local time14:24
- UTC offsetUTC-06:00
- Time zoneAmerica/Denver
- StatusDaylight saving
- Coordinates
- 40.01°, -105.27°
World clock
Compared with Boulder
Daylight saving time in Boulder
Clocks shift twice a year — UTC-07:00 in winter, UTC-06:00 in summer.
Next DST change November 1, 2026
Direction backward
Amount 1h
DST schedule — recent & upcoming years
Spring-forward and fall-back dates in Boulder.
- 2025DST start (spring forward)Mar 9, 2025,DST end (fall back)Nov 2, 2025,
- 2026DST start (spring forward)Mar 8, 2026,DST end (fall back)Nov 1, 2026,
- 2027DST start (spring forward)Mar 14, 2027,DST end (fall back)Nov 7, 2027,
- 2028DST start (spring forward)Mar 12, 2028,DST end (fall back)Nov 5, 2028,
| Year | DST start (spring forward) | DST end (fall back) |
|---|---|---|
| 2025 | Mar 9, 2025, | Nov 2, 2025, |
| 2026 | Mar 8, 2026, | Nov 1, 2026, |
| 2027 | Mar 14, 2027, | Nov 7, 2027, |
| 2028 | Mar 12, 2028, | Nov 5, 2028, |
Hour-by-hour conversion
When it's the given hour in Boulder, here are the local times elsewhere.
| Boulder | New York | Mexico City | São Paulo | London | Paris | Berlin | Dubai | Mumbai |
|---|---|---|---|---|---|---|---|---|
| 00:00 | 02:00 | 00:00 | 03:00 | 07:00 | 08:00 | 08:00 | 10:00 | 11:30 |
| 01:00 | 03:00 | 01:00 | 04:00 | 08:00 | 09:00 | 09:00 | 11:00 | 12:30 |
| 02:00 | 04:00 | 02:00 | 05:00 | 09:00 | 10:00 | 10:00 | 12:00 | 13:30 |
| 03:00 | 05:00 | 03:00 | 06:00 | 10:00 | 11:00 | 11:00 | 13:00 | 14:30 |
| 04:00 | 06:00 | 04:00 | 07:00 | 11:00 | 12:00 | 12:00 | 14:00 | 15:30 |
| 05:00 | 07:00 | 05:00 | 08:00 | 12:00 | 13:00 | 13:00 | 15:00 | 16:30 |
| 06:00 | 08:00 | 06:00 | 09:00 | 13:00 | 14:00 | 14:00 | 16:00 | 17:30 |
| 07:00 | 09:00 | 07:00 | 10:00 | 14:00 | 15:00 | 15:00 | 17:00 | 18:30 |
| 08:00 | 10:00 | 08:00 | 11:00 | 15:00 | 16:00 | 16:00 | 18:00 | 19:30 |
| 09:00 | 11:00 | 09:00 | 12:00 | 16:00 | 17:00 | 17:00 | 19:00 | 20:30 |
| 10:00 | 12:00 | 10:00 | 13:00 | 17:00 | 18:00 | 18:00 | 20:00 | 21:30 |
| 11:00 | 13:00 | 11:00 | 14:00 | 18:00 | 19:00 | 19:00 | 21:00 | 22:30 |
| 12:00 | 14:00 | 12:00 | 15:00 | 19:00 | 20:00 | 20:00 | 22:00 | 23:30 |
| 13:00 | 15:00 | 13:00 | 16:00 | 20:00 | 21:00 | 21:00 | 23:00 | 00:30 +1 |
| 14:00 | 16:00 | 14:00 | 17:00 | 21:00 | 22:00 | 22:00 | 00:00 +1 | 01:30 +1 |
| 15:00 | 17:00 | 15:00 | 18:00 | 22:00 | 23:00 | 23:00 | 01:00 +1 | 02:30 +1 |
| 16:00 | 18:00 | 16:00 | 19:00 | 23:00 | 00:00 +1 | 00:00 +1 | 02:00 +1 | 03:30 +1 |
| 17:00 | 19:00 | 17:00 | 20:00 | 00:00 +1 | 01:00 +1 | 01:00 +1 | 03:00 +1 | 04:30 +1 |
| 18:00 | 20:00 | 18:00 | 21:00 | 01:00 +1 | 02:00 +1 | 02:00 +1 | 04:00 +1 | 05:30 +1 |
| 19:00 | 21:00 | 19:00 | 22:00 | 02:00 +1 | 03:00 +1 | 03:00 +1 | 05:00 +1 | 06:30 +1 |
| 20:00 | 22:00 | 20:00 | 23:00 | 03:00 +1 | 04:00 +1 | 04:00 +1 | 06:00 +1 | 07:30 +1 |
| 21:00 | 23:00 | 21:00 | 00:00 +1 | 04:00 +1 | 05:00 +1 | 05:00 +1 | 07:00 +1 | 08:30 +1 |
| 22:00 | 00:00 +1 | 22:00 | 01:00 +1 | 05:00 +1 | 06:00 +1 | 06:00 +1 | 08:00 +1 | 09:30 +1 |
| 23:00 | 01:00 +1 | 23:00 | 02:00 +1 | 06:00 +1 | 07:00 +1 | 07:00 +1 | 09:00 +1 | 10:30 +1 |
Frequently Asked Questions
The current local time in Boulder, United States is 14:24 (MDT). Boulder uses the America/Denver time zone, which is UTC-06:00.
Boulder uses MST (UTC-07:00) in winter and switches to MDT (UTC-06:00) during daylight saving time. The IANA identifier is America/Denver.
Yes. The next daylight saving transition in Boulder is on November 1, 2026. Clocks will move backward by 1 hour.
The IANA / Olson time zone database identifier for Boulder is America/Denver. This is the identifier used by operating systems, programming languages, and APIs to look up the correct local time.
It is currently PM in Boulder. The local time is 14:24 (MDT).
Boulder is UTC-07:00 from UTC during standard time and UTC-06:00 during daylight saving time. It is currently UTC-06:00.
The next daylight saving transition in Boulder is on November 1, 2026. Clocks move backward by 1 hour at 01:00 local time.
Boulder is currently 2 hours behind New York.