Local Time in Boulder, United States

1

7

1

5

3

4

Thursday, 30

October 2025

Boulder is 2 hours behind of Columbus
Sunrise 07:28, Sunset 18:01, Day length 10:33
Moon 63.2%, First Quarter
Mountain Daylight Time (North America) (MDT), UTC-6
Daylight Saving Time (DST) (1 hour forward): Sunday, March 9 2025 03:00 — Sunday, November 2 2025 01:00

Time difference, hrs.

Columbus	2	1 9 1 5
London	6	2 3 1 5
New York	2	1 9 1 5
Tokyo	15	0 8 1 5

Compare other Time Zones

Holidays and celebrations today