Hours in UTC and Denver
| UTC | Denver |
|---|---|
| 6:00 AM UTC | 12:00 AM MDT |
| 9:00 AM UTC | 3:00 AM MDT |
| 12:00 PM UTC | 6:00 AM MDT |
| 3:00 PM UTC | 9:00 AM MDT |
| 6:00 PM UTC | 12:00 PM MDT |
| 9:00 PM UTC | 3:00 PM MDT |
Arizona
Arizona stays on MST all year, so it has a table of its own.
Phoenix is 7 hours behind UTC.
Phoenix is 1 hour behind Denver until Sunday 1 November 2026.
| UTC | Phoenix |
|---|---|
| 6:00 AM UTC | 11:00 PM MST the day before |
| 9:00 AM UTC | 2:00 AM MST |
| 12:00 PM UTC | 5:00 AM MST |
| 3:00 PM UTC | 8:00 AM MST |
| 6:00 PM UTC | 11:00 AM MST |
| 9:00 PM UTC | 2:00 PM MST |
When the gap changes
On Sunday 1 November 2026, clocks in Denver go back.
From then, Denver is 7 hours behind UTC.
On Sunday 14 March 2027, clocks in Denver go forward.
From then, Denver is 6 hours behind UTC.