Current Time in MST
Mountain Standard Time
About MST Mountain Standard Time
The standard time for the Mountain Time Zone in North America. Some areas, like Arizona (except Navajo Nation), observe MST year-round, while others switch to Mountain Daylight Time (MDT) during summer.
UTC Offset: -07:00
MST at a glance
| Right now | 06:54 on Tuesday |
|---|---|
| UTC offset | UTC-06:00 (6 hours behind UTC) |
| Full name | Mountain Standard Time |
| Countries | 3 |
| IANA zones | 24 |
What is MST?
MST is a time zone that is currently UTC-06:00 - that's 6 hours behind UTC. Its full name is Mountain Standard Time. Right now the local time on MST is 06:54. Today 3 countries (including Canada, Mexico and United States) and 24 IANA database zones sit at this offset, which is why MST is a useful shorthand even though the exact local rules differ from place to place.
How to convert MST to UTC
For quick planning, use today's offset as a rule of thumb: 12:00 UTC = 06:00 local time, and 09:00 local time = 15:00 UTC. The live clock above is the safest reference when daylight saving or regional rules may apply.
Which countries use MST?
MST is used across Canada, Mexico and United States. Open a country to see all of its cities and their local time.
IANA time zones in MST
MST maps to the IANA database zones America/Boise, America/Cambridge_Bay, America/Ciudad_Juarez, America/Creston, America/Dawson and America/Dawson_Creek, among 24 in total. Each zone page shows its exact rules, including any daylight saving changes.
💡 Tip: Comparing times? MST is 6 hours behind UTC. Use the IANA links and country links on this page when you need the exact local rule for a real place, not just the offset.
MST - Frequently asked questions
What is MST?
MST is a time zone currently UTC-06:00 (6 hours behind UTC). Its full name is Mountain Standard Time.
What is the UTC offset of MST?
MST is UTC-06:00 right now - 6 hours behind UTC.
Which countries are on MST?
MST is used in Canada, Mexico and United States.
What time is it in MST now?
The current time on MST is 06:54 on Tuesday. The clock above updates every second.
How Alarm.now explains MST
Abbreviation, offset, and IANA zones
MST is shown as a time-zone group for Mountain Standard Time with offset -07:00. The page links the abbreviation to the IANA zones and countries that use it, so users and search engines can distinguish a short label from an exact time-zone rule set.
When to use a specific IANA page
Use this group page for an overview of the abbreviation and offset. Use a linked IANA time-zone page when you need exact daylight-saving rules for a calendar, app, or future-date comparison.