Time zone conversion

EST to MST time converter

Convert Eastern Standard Time to Mountain Standard Time for a specific date and time. The result uses the stated fixed offset for EST and the stated fixed offset for MST.

New York-
Shanghai-

EST nowThu, 9:34 PM GMT-5UTC-05:00
MST nowThu, 7:34 PM GMT-7UTC-07:00
Current differenceMST is 2 hours behind ESTOffsets can change when a city observes daylight saving time.

24-hour reference

EST to MST time table

This table uses Thursday, July 30, 2026 in EST. Choose another date in the converter above when daylight saving rules may differ.

ESTMST
12:00 AMWed 10:00 PM
1:00 AMWed 11:00 PM
2:00 AMThu 12:00 AM
3:00 AMThu 1:00 AM
4:00 AMThu 2:00 AM
5:00 AMThu 3:00 AM
6:00 AMThu 4:00 AM
7:00 AMThu 5:00 AM
8:00 AMThu 6:00 AM
9:00 AMThu 7:00 AM
10:00 AMThu 8:00 AM
11:00 AMThu 9:00 AM
12:00 PMThu 10:00 AM
1:00 PMThu 11:00 AM
2:00 PMThu 12:00 PM
3:00 PMThu 1:00 PM
4:00 PMThu 2:00 PM
5:00 PMThu 3:00 PM
6:00 PMThu 4:00 PM
7:00 PMThu 5:00 PM
8:00 PMThu 6:00 PM
9:00 PMThu 7:00 PM
10:00 PMThu 8:00 PM
11:00 PMThu 9:00 PM

Meeting planner

Working-hour overlap

6 hours in this reference day fall between 9:00 AM and 5:00 PM in both locations.

The first shared working-hour row is 11:00 AM EST, which is Thu 9:00 AM MST. Green rows in the table mark the full overlap.

Offset rules used

EST is fixed at UTC-05:00 and does not move forward for daylight saving time.

MST is fixed at UTC-07:00 and does not move forward for daylight saving time.

From time zone

About Eastern Standard Time

EST is fixed at UTC-05:00 and does not move forward for daylight saving time.

IANA identifier: Etc/GMT+5

To time zone

About Mountain Standard Time

MST is fixed at UTC-07:00 and does not move forward for daylight saving time.

IANA identifier: Etc/GMT+7

Related routes

More time zone converters

All time zones
MST to ESTReverse this time conversion EST to GMTTime difference and 24-hour tableEST to UTCTime difference and 24-hour tableEST to CSTTime difference and 24-hour tableEST to PSTTime difference and 24-hour tableMST to GMTTime difference and 24-hour tableMST to UTCTime difference and 24-hour tableMST to CSTTime difference and 24-hour table

Accuracy

Date-aware time conversion

Offsets are resolved for the local date entered, rather than treating the current offset as permanent. This matters around daylight saving transitions and when locations change rules on different dates.

The converter uses the IANA time-zone database available in the browser. A local clock time skipped during a spring-forward transition is reported as invalid instead of silently changing the requested time.

Questions

EST to MST FAQ

What is the time difference from EST to MST?

MST is currently 2 hours behind EST. City offsets can change with daylight saving time, so use the date-specific converter for another date.

How do I convert EST time to MST?

Choose the local date and time in EST. The converter resolves that wall-clock time with Etc/GMT+5, then formats the same instant in Etc/GMT+7.

Does EST to MST change with daylight saving time?

No. Both selections are fixed UTC offsets, so their difference remains constant.