Daylight saving time
Every clock change in the coming year, by date, and the countries that never change.
MST/MDT: Mountain Time
Mountain Time, UTC−7 right now. Used in US & Canada; Arizona stays on MST. Clocks go forward 1 hour on Sun, Mar 14, 2027.
MST, Mountain Time
MST
Tuesday, November 3, 2026
UTC−7
- Abbreviation
- MST/MDT
- Full name
- Mountain Time
- UTC offset now
- UTC−7
- Standard time
- UTC−7
- Daylight time
- UTC−6
- Daylight saving
- Yes
- Reference zone
- America/Denver
- Where
- US & Canada; Arizona stays on MST
Daylight saving time in MST
DST ended
Sun, Nov 1, 2026
Clocks went back 1 hour
DST starts
Sun, Mar 14, 2027
Clocks go forward 1 hour
Winter
UTC−7
MST
Summer
UTC−6
MDT
MST is the standard time; in summer the zone is on MDT, UTC−6. Clocks go forward 1 hour on Sun, Mar 14, 2027.
Countries and cities on MST
Where Mountain Time is kept, with each country's largest cities in the zone.
| City | Local time | Compared to MST |
|---|---|---|
| United StatesPhoenix, Denver, El Paso | Tue 8:51 PM | Same time |
| CanadaCalgary, Edmonton, Lethbridge | Tue 9:51 PM | +1h (ahead) |
| MexicoCiudad Juárez | Tue 8:51 PM | Same time |
Convert MST
More free tools
Frequently asked questions
Ask a questionThe clock at the top of this page shows the current time in Mountain Time (MST, or MDT in summer), following the rules of the America/Denver time zone. It is UTC−7 at the moment.
MST stands for Mountain Time. It is used in US & Canada; Arizona stays on MST.
MST is UTC−7. During daylight saving time the same places are on MDT, UTC−6.
MST is the standard time; in summer the zone is on MDT, UTC−6. Clocks go forward 1 hour on Sun, Mar 14, 2027.
Other time zones
- UTCThe world's reference time
- GMTUTC+0 all year
- EST/EDTUS & Canada
- CST/CDTUS
- PST/PDTUS & Canada
- AKST/AKDTAlaska
- HSTHawaii
- AST/ADTAtlantic Canada & the Caribbean
- NST/NDTNewfoundland
- GMT/BSTUnited Kingdom
- WET/WESTPortugal & the Canary Islands
- CET/CESTBerlin
- EET/EESTAthens
- MSKMoscow
- TRTTürkiye
- EATNairobi
- CATMaputo
- SASTSouth Africa
- WATLagos
- ASTSaudi Arabia
- GSTUAE & Oman
- IRSTIran
- PKTPakistan
- ISTIndia
- IST/IDTIsrael
- GMT/ISTIreland
- NPTNepal
- BSTBangladesh
- ICTThailand
- WIBJakarta
- CSTChina
- HKTHong Kong
- SGTSingapore
- MYTMalaysia
- PHTPhilippines
- AWSTPerth
- JSTJapan
- KSTSouth Korea
- ACST/ACDTAdelaide
- AEST/AEDTSydney
- NZST/NZDTNew Zealand
- BRTSão Paulo
- ARTArgentina
- CST/CDTCuba
- SSTAmerican Samoa
- AoEUTC−12 all year
Place data from GeoNames (CC BY 4.0). Times follow the IANA time zone database; sunrise and sunset are computed for the city's coordinates.