Also known as: Mountain Time (MT) and Mountain Daylight Time (MDT)
Currently observing MST – Mountain Standard Time.
Mountain Standard Time (MST) is 7 hours behind Coordinated Universal Time (UTC). This time zone is in use during standard time in: North America.
See full time zone map
Mountain Standard Time is the second westernmost time zone in the United States and Canada. It is also used in Mexico.
It covers all or parts of 13 states in the US and five provinces or territories in Canada.
The MST time zone is the least populated time zone in the USA. It spans from northern Canada to Mexico near the equator.
In North America, Mountain Standard Time shares a border with Central Standard Time (CST) in the east and with Pacific Standard Time (PST) in the west.
Mountain Standard Time (MST) is a standard time zone in use from the first Sunday in November to the second Sunday in March—when Daylight Saving Time (DST) is not in effect. Mountain Daylight Time (MDT) is used during the remainder of the year.
Some areas in British Coloumbia, including Creston, Fort Nelson, Fort St. John, and Dawson Creek use Mountain Standard Time all year.
Some time zones exist that have the same offset as MST, but can be found under a different name:
The United States is divided into six standard time zones: Pacific, Mountain, Central, Eastern, Alaska, and Hawaii-Aleutian. The difference between Mountain Time and Eastern Time is one hour. Mountain Time is two hours behind Pacific Time and one hour ahead of Central Time, while Eastern Time is one hour ahead of Central Time and one hour behind Alaska Time. This difference in time can cause confusion for those who travel or conduct business across time zones, as well as for those who live in areas that observe Daylight Saving Time.
Mountain Time and Eastern Time are two of the four standard time zones used in the United States. The difference between the two is exactly two hours, with Mountain Time being two hours behind Eastern Time. Understanding the difference between these time zones can be important when scheduling events or making plans that involve people in different time zones.
What is Mountain Time?
Mountain Time (MT) is used in states such as Arizona, Colorado, Montana, New Mexico, Utah, and Wyoming. Eastern Time (ET) is used in states such as Connecticut, Delaware, Florida, Georgia, Indiana, Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Vermont, Virginia, and West Virginia.
For example, when it is 12:00 PM Eastern Time, it is 10:00 AM Mountain Time. This means that if you are on a conference call scheduled for 12:00 PM ET, and you are located in Denver, Colorado (which is in the Mountain Time zone), you would need to dial in at 10:00 AM. It’s also worth noting that certain states such as Idaho, Indiana, and Kentucky are split between the Eastern and Mountain Time zones. This can make it even more confusing for people who live in these states and travel frequently.
What is Eastern Time?
Eastern Time, also known as ET or EST, is the time zone that covers the states of Connecticut, Delaware, Florida (excluding the western panhandle), Georgia, Indiana (excluding the northwest corner), Kentucky (excluding the western half), Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, and West Virginia. The time in this zone is five hours behind Coordinated Universal Time (UTC-5) during standard time and four hours behind (UTC-4) during Daylight Saving Time.
It’s important to note that the Navajo Nation in Arizona observes Mountain Standard Time year round. Also, some states have areas which observe different time zones, such as the Florida panhandle which mostly observes Central Time. It’s always a good idea to double-check the time zone when planning travel or scheduling appointments across different regions.
Difference between Mountain Time and Eastern Time?
Time ZoneAbbreviationUTC Offset (Standard Time)UTC Offset (Daylight Saving Time)Mountain Time
Further reading:MT/ MST
UTC-7
UTC-6
Eastern Time
ET/ EST
UTC-5
UTC-4
Mountain Time is one hour behind Eastern Time.
Mountain Time covers states in the western part of the US, while Eastern Time covers states in the eastern part of the US.
During Standard Time, Mountain Time is two hours behind Pacific Time and one hour ahead of Central Time, while Eastern Time is one hour ahead of Central Time and one hour behind Alaska Time.
During Daylight Saving Time, Mountain Time is one hour ahead of Pacific Daylight Time and the same as Central Daylight Time, while Eastern Time is the same as Eastern Daylight Time and one hour behind Alaska Daylight Time.
There are also economic impacts of the time difference between the two zones. Businesses that operate in both the Mountain Time and Eastern Time zones may have to deal with the added complexity of coordinating operations and schedules across different time zones. This may be the purpose for extended fees and inefficiencies.
Conclusion
In conclusion, the difference between Mountain Time and Eastern Time is two hours, and it’s important to be aware of this difference when scheduling events or making plans that involve people in different time zones. It’s also important to keep in mind that during the summer months, the difference between the two time zones will be one hour, due to Daylight Saving Time. Understanding the difference between these two time zones can help you avoid scheduling conflicts and other issues that may arise from not taking into account the time difference. Being aware of the difference can also help you to better plan your travel and make sure you are on time for your flights and other transportation.
Last Updated :
07 Nov, 2023
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