Current Time in Denver, United States
The time in Denver right now, with its time zone, daylight saving dates and the difference from where you are.
Denver keeps Mountain Time: MST UTC−7 in winter, MDT UTC−6 in summer.
Convert a time in Denver →Time in Denver
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Mountain Time · MST UTC−7 in winter, MDT UTC−6 in summer
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How this works: Method, 3 sources,
How this works
Method
Denver keeps Mountain Time: MST (UTC−7) for the colder months and MDT (UTC−6) while daylight saving is on. Next, the clocks go back on Sunday 1 November 2026 and forward again on Sunday 14 March 2027. Phones and computers set Denver’s clocks from the America/Denver zone of the IANA tz database, and so does this page. Full method
Sources
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Changes
- 15 more conversion pages (IST to CST, BST to IST, SGT, GST, JST, MST and more); each conversion page shows all 24 hours with working hours shaded, and its best meeting times.
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- The converter opens on the time now, live, with a Now choice beside the time, and the main converter starts from your own time zone.
- First published, with a world clock, pages for the time in 31 places and 15 common conversions such as PST to IST.
Denver’s time zone
Denver keeps Mountain Time: MST (UTC−7) for the colder months and MDT (UTC−6) while daylight saving is on. Next, the clocks go back on Sunday 1 November 2026 and forward again on Sunday 14 March 2027. Phones and computers set Denver’s clocks from the America/Denver zone of the IANA tz database, and so does this page.
Denver is the reference city for US Mountain Time, the zone of Colorado, Utah, New Mexico, Wyoming, Montana and southern Idaho. Mountain Time began with the railroads on 18 November 1883, based on the 105th meridian, which passes right through the Denver area.
Before national rules arrived, Denver tried summer time on its own: the city observed daylight saving in 1920 and 1921 and again in 1965 and 1966, the last two summers before the Uniform Time Act made the dates uniform in 1967. Denver’s zone is also the right one for the Navajo Nation, which keeps daylight saving even where it lies inside Arizona. A useful rule for Colorado is that it shares its clock with Phoenix in winter, but is an hour ahead of Arizona from March to November.
MST = UTC −7 · MDT = UTC −6
- The tz database recommends America/Denver for the Navajo Nation, which observes daylight saving time while the rest of Arizona does not. Source: IANA tz database, file “northamerica”.
Denver time compared with other cities
How far ahead or behind each place is, on Wednesday 14 January 2026 and Wednesday 15 July 2026, and the time there when it is 9:00 am in Denver in January.
| Place | In January | In July | At 9:00 am in Denver |
|---|---|---|---|
| Phoenix | same time | 1 h behind | 9:00 am |
| Los Angeles | 1 h behind | 1 h behind | 8:00 am |
| Chicago | 1 h ahead | 1 h ahead | 10:00 am |
| New York | 2 h ahead | 2 h ahead | 11:00 am |
| London | 7 h ahead | 7 h ahead | 4:00 pm |
| India | 12 h 30 min ahead | 11 h 30 min ahead | 9:30 pm |
| Tokyo | 16 h ahead | 15 h ahead | 1:00 am (next day) |
| Sydney | 18 h ahead | 16 h ahead | 3:00 am (next day) |
| UTC | 7 h ahead | 6 h ahead | 4:00 pm |
Clock changes in Denver, 2026 to 2028
| Date | Clocks | Then |
|---|---|---|
| Sun 8 Mar 2026 | forward 1 h, 2:00 am → 3:00 am | MDT (UTC−6) |
| Sun 1 Nov 2026 | back 1 h, 2:00 am → 1:00 am | MST (UTC−7) |
| Sun 14 Mar 2027 | forward 1 h, 2:00 am → 3:00 am | MDT (UTC−6) |
| Sun 7 Nov 2027 | back 1 h, 2:00 am → 1:00 am | MST (UTC−7) |
| Sun 12 Mar 2028 | forward 1 h, 2:00 am → 3:00 am | MDT (UTC−6) |
| Sun 5 Nov 2028 | back 1 h, 2:00 am → 1:00 am | MST (UTC−7) |
Frequently Asked Questions
What time zone is Denver in?
Denver is on Mountain Time: MST, UTC−7, in winter and MDT, UTC−6, in summer. Its tz database zone is America/Denver.
Is Denver in the same time zone as Phoenix?
Both are on Mountain Standard Time in winter, so they match from November to March. Denver moves to MDT (UTC−6) in March while Phoenix stays on UTC−7, so in summer Denver is one hour ahead.
Which big cities share Denver’s time?
Salt Lake City, Albuquerque, Boise, Cheyenne and Calgary keep Mountain Time. Calgary is a special case from 2026: Alberta has stopped changing its clocks, so it now matches Denver only in summer.
Does all of Colorado change its clocks?
Yes. The whole state moves from MST (UTC−7) to MDT (UTC−6) on the second Sunday in March and back on the first Sunday in November, the federal dates used since 2007.