MDT: Mountain Daylight Time
10:14 pm MDT
UTC−6
MDT stands for Mountain Daylight Time, 6 hours behind UTC (UTC−6). It is used in summer in the mountain states of the US and Alberta.
In use
MDT is Denver’s summer clock. Denver is on MDT now, until Sunday, November 1, 2026, when it switches to MST (UTC−7).
Daylight saving
MDT itself never moves: it is always UTC−6. The places that use it switch to MST in winter.
Next changes in Denver
| Date | Change | Switches to |
|---|---|---|
| Sunday, November 1, 2026 | Back 1 hour | MST UTC−7 |
| Sunday, March 14, 2027 | Forward 1 hour | MDT UTC−6 |
Cities on MDT in summer
Questions
What does MDT stand for?
Mountain Daylight Time.
What time is it in MDT now?
It’s 10:14 pm MDT (UTC−6). MDT is Denver’s summer clock. Denver is on MDT now, until Sunday, November 1, 2026, when it switches to MST (UTC−7).
Does MDT change for daylight saving?
MDT itself never moves: it is always UTC−6. The places that use it switch to MST in winter.
Is MDT the same as MST?
No. MDT is UTC−6 and MST is UTC−7, an hour apart. Denver is on MST in winter and MDT in summer.