Colorado time zone
Mountain Time
Mountain Daylight Time (MDT)
IANA: America/Denver · UTC−6
Daylight saving time in Colorado
In effect now
Next change: Sun 1 Nov, clocks go back 1 hour (02:00 → 01:00)
Sunrise and sunset in Denver today
Sunrise 07:01 · Sunset 18:33
Daylight 11h 32m · Solar noon 12:47
Where Denver is
Denver, Colorado, United States 🇺🇸
39.7392° N, 104.9850° W · pop. 729,019
Time in Colorado vs major world cities
| City | Local time | Difference from Colorado |
|---|
| New York | Thu | 2 hours ahead |
| Los Angeles | Thu | 1 hour behind |
| London | Thu | 7 hours ahead |
| Paris | Thu | 8 hours ahead |
| Dubai | Thu | 10 hours ahead |
| Mumbai | Thu | 11.5 hours ahead |
| Singapore | Fri | 14 hours ahead |
| Tokyo | Fri | 15 hours ahead |
| Sydney | Fri | 17 hours ahead |
| Johannesburg | Thu | 8 hours ahead |
| São Paulo | Thu | 3 hours ahead |
| Chicago | Thu | 1 hour ahead |
What time zone is Colorado in?
Clocks in Colorado run on Mountain Time (MDT, UTC−6); software knows the zone as America/Denver.
Does Colorado observe daylight saving time?
Yes. Colorado is on daylight saving time now. The next changes:
- Sunday 1 November 2026: clocks go back at 02:00 to 01:00 (MDT → MST)
- Sunday 14 March 2027: clocks go forward at 02:00 to 03:00 (MST → MDT)
- Sunday 7 November 2027: clocks go back at 02:00 to 01:00 (MDT → MST)
October 2026 calendar for Colorado
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
| | | 1 | 2 | 3 | 4 |
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 |
| 26 | 27 | 28 | 29 | 30 | 31 | |
Upcoming public holidays in United States
- Mon 12 Oct Columbus Day
- Wed 11 Nov Veterans Day
- Thu 26 Nov Thanksgiving Day
- Fri 25 Dec Christmas Day
- Fri 1 Jan New Year's Day
- Mon 18 Jan Martin Luther King Jr. Day
Other cities in Colorado
New YorkNew York
Los AngelesCalifornia
BrooklynNew York
ChicagoIllinois
QueensNew York
HoustonTexas
PhoenixArizona
PhiladelphiaPennsylvania
San AntonioTexas
ManhattanNew York
San DiegoCalifornia
The BronxNew York
Frequently asked questions about Colorado
What time zone is Colorado in?
Mountain Time (MDT), UTC−6; IANA zone America/Denver.
When do the clocks change in Colorado?
Next on Sunday 1 November 2026, when clocks go back from 02:00 to 01:00.