Geographic position of Boulder
Boulder is located in the Northern Hemisphere and the Western Hemisphere. Its coordinates are 40.0150° N, 105.2706° W.
-
Distance from the Equator:
about 4,454 km (2,768 mi)
-
Distance from the North Pole:
about 5,564 km (3,457 mi)
-
Distance from the South Pole:
about 14,473 km (8,993 mi)
-
Distance from the Prime Meridian:
about 8,975 km (5,577 mi) west
Boulder lies in the temperate latitude zone. This latitude affects daylight length, seasonal variation and how local solar time compares with standard clock time.
Population Ranking of Boulder
With a population of 106,803, Boulder ranks as the 328th most populous city in United States, out of 3,397 cities tracked on this site.
Nearest Airport to Boulder
Rocky Mountain Metropolitan Airport (BJC / KBJC) is a regional airport located about 18 km (11 mi) from Boulder.
Current local time at the airport is 11:31:52.
Daylight saving time changes in Boulder
Boulder uses the IANA time zone identifier America/Denver. The current local offset is UTC-6 / MDT.
2026
Previous change: Daylight saving time started
- The offset changed from UTC-7 / MST to UTC-6 / MDT.
- The clock was moved forward from 02:00 to 03:00 local time.
2026
Next change: Standard time starts
- The offset will change from UTC-6 / MDT to UTC-7 / MST.
- The clock will be moved back from 02:00 to 01:00 local time.
Best Time to Call Boulder
Business hours in Boulder (9 AM-5 PM local time) fall at these local times elsewhere:
- New York: 11:00 AM - 7:00 PM ( Convenient)
- Los Angeles: 8:00 AM - 4:00 PM ( Convenient)
- London: 4:00 PM - 12:00 AM (next day) ( Partial overlap)
- Dubai: 7:00 PM - 3:00 AM (next day) ( Partial overlap)
- Mumbai: 8:30 PM - 4:30 AM (next day) ( Partial overlap)
- Tokyo: 12:00 AM (next day) - 8:00 AM (next day) ( Outside normal hours)
- Sydney: 1:00 AM (next day) - 9:00 AM (next day) ( Outside normal hours)
Times shown reflect current UTC offsets and may shift by up to an hour around daylight saving transitions.
Time Difference from Boulder
Compare time in Boulder with major cities worldwide.
Time now in other cities in United States
Frequently Asked Questions
What time zone is Boulder in?
Boulder follows the America/Denver time zone, the official IANA identifier used by computers and databases worldwide to track local time accurately. Right now, this puts Boulder at UTC-6.
What time is it in Boulder right now?
The current local time in Boulder is 11:31:52 on Tuesday, 01 September 2026. This page updates automatically, so refreshing it will always show the live time.
Does Boulder observe daylight saving time?
Yes. Boulder is currently observing daylight saving time, which temporarily shifts the clock forward by one hour compared to standard time.
How far ahead or behind UTC is Boulder?
Boulder is currently UTC-6, meaning local time is 6 hours behind Coordinated Universal Time (UTC).
What is the nearest airport to Boulder?
Rocky Mountain Metropolitan Airport (BJC) is the nearest airport to Boulder, located about 18 km away. The current local time at the airport is 11:31:52.
Time Tools
Quick access to timers, stopwatch, world clock and time zone tools.
Time Guides
Read useful guides about time zones, calendars, finance and astronomy.
