MST to EST Converter – Time Difference, Formula & Easy Guide
For those working across different parts of the US, knowing the time conversion between Mountain Standard Time (MST) and Eastern Standard Time (EST) is a must. This is true for remote workers, freelancers, and companies that work all over the country. Both time zones are in the US. Getting the time wrong can mess up meetings, remote work times, and talking to each other.
What is MST?
MST is the time used in the Mountain region of North America. Big cities that use MST are Denver, Phoenix, Salt Lake City, Boise, and Albuquerque. This area has tech centers, tourist spots, and big company offices.
What is EST?
EST is the time on the east coast of the United States. Big cities that use EST are New York, Washington DC, Philadelphia, Boston, Atlanta, and Miami. Money, government, business services, and national news are mostly on EST.
How Far Apart are MST and EST?
MST and EST have a time difference of 2 hours. EST is always 2 hours earlier than MST.
- 8:00 AM MST → 10:00 AM EST
- 1:00 PM MST → 3:00 PM EST
- 4:30 PM MST → 6:30 PM EST
- 9:00 PM MST → 11:00 PM EST
MST to EST Formula
EST = MST + 2 hours
Cities that follow MST
- Denver
- Phoenix
- Salt Lake City
- Boise
- El Paso
- Albuquerque
Cities that follow EST
- New York
- Miami
- Washington DC
- Orlando
- Boston
- Atlanta
Why Convert MST to EST?
You may need to convert this timing for:
- Online business meetings
- Team collaboration
- Customer support working hours
- Webinars and online classes
- Flight scheduling
- Live events
Daylight Saving Time Information
During daylight saving time, MST becomes MDT and EST becomes EDT. The good news is the time difference generally remains 2 hours, so conversion stays simple.
Real-Life Example
Imagine your office uses EST timing but your development team is based in Denver. To schedule a morning call at 10 AM EST, your MST team must log in at 8 AM. This keeps collaboration smooth and avoids timing errors.
Frequently Asked Questions (FAQ)
Is MST always 2 hours behind EST?
Yes. The difference stays 2 hours in most situations including daylight saving.
What time is 7 PM MST in EST?
It converts to 9 PM EST.
Which states follow MST?
Colorado, Arizona, Utah, Wyoming, and parts of Idaho.
Does Florida use EST?
Yes, most of Florida uses Eastern Standard Time.
How do I convert EST back to MST?
Subtract 2 hours instead of adding.