Current Time in Boulder, United States of America

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Check the current local time in Boulder, Montana, United States of America, including timezone, daylight saving time information and time difference details.

Boulder, Montana, United States of America City

Online clock — Boulder, United States of America

Online clock — Boulder

America/Denver

Online clock — Boulder

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Business hours and time difference: Boulder

Use the time converter to plan calls, meetings, and working hours between your location and Boulder, United States of America. Time calculations use the America/Denver time zone and automatically adjust for daylight saving time when applicable.

Sunrise and sunset in Boulder

Sunrise / Sunset

Day length: 9 h 41 m 26 s

Sunrise
Sunset
Solar noon
Civil twilight
Nautical twilight
Day length change
−162 s
Longest day
June 21, 2026 — 15 h 47 m 16 s
Shortest day
December 21, 2026 — 8 h 36 m 32 s
Sun azimuth
↑ 114° ESE ↓ 246° WSW
Golden hour
07:21 AM–08:06 AM / 04:17 PM–05:02 PM
Blue hour
06:49 AM–07:01 AM / 05:22 PM–05:34 PM
Zodiac sign
Scorpio

Moon

Phase: New moon

Moonrise
Moonset
Moon azimuth
↑ 124° SE ↓ 234° SW
Illumination
0%
Constellation
Scorpio
Age
0.5 d
Distance
399,188 km
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Daylight Saving Time in Boulder

Daylight Saving Time

Daylight Saving Time in Boulder

Inactive — MST

DST starts

Summer time starts



02:00 03:00 (+1 hour forward)

DST ends

Standard time starts



02:00 01:00 (−1 hour back)

About Boulder, United States of America

46.2366, -112.1208

Map

Boulder is one of the cities in United States of America, located in North America. The population of Boulder is 1,207 people.

Continent North America
Country United States of America
City Boulder
ISO US / USA
Population 1,207
TLD .us
Currency USD — Dollar
Coordinates 46.2366, -112.1208

Current time in popular cities of United States of America

20 / 20
City ▲Time
Austin America/Chicago (—)—
Brooklyn America/New_York (—)—
Charlotte America/New_York (—)—
Chicago America/Chicago (—)—
Columbus America/New_York (—)—
Dallas America/Chicago (—)—
Fort Worth America/Chicago (—)—
Houston America/Chicago (—)—
Indianapolis America/Indiana/Indianapolis (—)—
Jacksonville America/New_York (—)—
Los Angeles America/Los_Angeles (—)—
Manhattan America/New_York (—)—
New York America/New_York (—)—
Philadelphia America/New_York (—)—
Phoenix America/Phoenix (—)—
Queens America/New_York (—)—
San Antonio America/Chicago (—)—
San Diego America/Los_Angeles (—)—
San Jose America/Los_Angeles (—)—
The Bronx America/New_York (—)—

Current time in other cities of United States of America

20 / 20
City ▲Time
Albuquerque America/Denver (—)—
Austin America/Chicago (—)—
Baltimore America/New_York (—)—
Chicago America/Chicago (—)—
Columbus America/New_York (—)—
Detroit America/Detroit (—)—
El Paso America/Denver (—)—
Fort Worth America/Chicago (—)—
Indianapolis America/Indiana/Indianapolis (—)—
Jacksonville America/New_York (—)—
Las Vegas America/Los_Angeles (—)—
Los Angeles America/Los_Angeles (—)—
Manhattan America/New_York (—)—
Memphis America/Chicago (—)—
Mesa America/Phoenix (—)—
Oakland America/Los_Angeles (—)—
Raleigh America/New_York (—)—
San Antonio America/Chicago (—)—
Virginia Beach America/New_York (—)—
Washington D.C. America/New_York (—)—

Current time in popular cities of Montana

7 / 7
City ▲Time
Billings America/Denver (—)—
Bozeman America/Denver (—)—
Butte America/Denver (—)—
Great Falls America/Denver (—)—
Helena America/Denver (—)—
Kalispell America/Denver (—)—
Missoula America/Denver (—)—

Districts and counties of Montana

FAQ

What time is it in Boulder now?

The current local time in Boulder is —.

What timezone is Boulder in?

Boulder uses the timezone America/Denver.

When does DST start in Boulder?

Daylight saving time in Boulder starts on March 8, 2026.

When does DST end in Boulder?

Daylight saving time in Boulder ends on November 1, 2026.

What are the alternative names for Boulder?

Boulder is also known as: Boulder, Boulder Valley, Болдер, Боулдер, Боулдэр, بولدر, بوولدر، مونتانا, 博尔德.

Current Time in Boulder, United States of America