MDT to EST Time Converter
Eastern Standard Time (EST) is currently 1 hour ahead of Mountain Daylight Time (MDT). MDT is UTC-6 and EST is UTC-5. The table below converts every hour of the day between the two, and the call planner shows where working hours line up.
Best Time for a Call
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 4:00 PM in MDT, which is 10:00 AM to 5:00 PM in EST.
Comparing more than two places? The Overlap Zones tool shows working hours for several cities on one grid.
Hour by Hour: MDT to EST
Rows marked office hours fall between 9:00 AM and 5:00 PM in both places. For a specific date, use the interactive converter.
Does the Difference Change During the Year?
MDT and EST are fixed offsets, so the difference between them never changes.
MDT is UTC-6, the summer counterpart of MST, used from March to November.
EST is UTC-5, used across eastern North America in winter. The same region switches to EDT (UTC-4) from March to November.
Frequently Asked Questions
How many hours ahead is EST compared to MDT?
EST is currently 1 hour ahead of MDT. MDT and EST are fixed offsets, so the difference between them never changes.
What time is 9:00 AM in MDT in EST?
9:00 AM in MDT is 10:00 AM in EST.
What is the best time for a call between MDT and EST?
Both sides are inside 9:00 AM to 5:00 PM office hours between 9:00 AM and 4:00 PM in MDT, which is 10:00 AM to 5:00 PM in EST.