EDT vs MDT — cities and working rhythm
US East Coast summer offset (mid-March to early November), UTC-4. The narrower gap to Europe (only 4 h during northern-hemisphere summer) means early-morning EU meetings align with reasonable East Coast times.
Use this EDT to MDT time converter to compare US East Coast and US Mountain time instantly. MDT is 2 hours behind EDT, so 9:00 AM EDT becomes 7:00 AM MDT and 5:00 PM EDT becomes 3:00 PM MDT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
Use this EDT to MDT converter to compare US East Coast and US Mountain time, check the 2 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 11:00 AM EDT / 9:00 AM MDT.
Converting between Eastern Daylight Time and Mountain Daylight Time means accounting for a 2 hours gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Eastern Daylight Time (UTC -4) that you want to convert. Hit "Now" to load the current EDT time instantly, or use "+1h" to step forward and compare.
The equivalent Mountain Daylight Time (UTC -6) time appears immediately. Since MDT is 2 hours behind of EDT, most daytime conversions stay on the same calendar day.
Click "Copy Time" to grab the MDT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — useful when Daylight Saving Time changes the gap.
When someone in United States suggests 11:00 AM EDT, that's 9:00 AM MDT. This converter shows the overlap so both sides agree on one slot — no back-and-forth.
Late-night EDT times can land on a different date in MDT because of the 2 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.
Daylight Saving adjustments can widen or narrow the EDT–MDT gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in EDT. Convert the event time to MDT so you know exactly when to tune in — with a 2 hours difference, a morning event in United States falls during work hours in United States.
Quick-reference conversion table covering every hour of the day at a glance.
Eastern Daylight Time to Mountain Daylight Time full day schedule
| Eastern Daylight Time | Mountain Daylight Time |
|---|---|
| 12:00 AM |
10:00 PM
(previous day)
|
| 1:00 AM |
11:00 PM
(previous day)
|
| 2:00 AM |
12:00 AM
|
| 3:00 AM |
1:00 AM
|
| 4:00 AM |
2:00 AM
|
| 5:00 AM |
3:00 AM
|
| 6:00 AM |
4:00 AM
|
| 7:00 AM |
5:00 AM
|
| 8:00 AM |
6:00 AM
|
| 9:00 AM |
7:00 AM
|
| 10:00 AM |
8:00 AM
|
| 11:00 AM |
9:00 AM
|
| 12:00 PM |
10:00 AM
|
| 1:00 PM |
11:00 AM
|
| 2:00 PM |
12:00 PM
|
| 3:00 PM |
1:00 PM
|
| 4:00 PM |
2:00 PM
|
| 5:00 PM |
3:00 PM
|
| 6:00 PM |
4:00 PM
|
| 7:00 PM |
5:00 PM
|
| 8:00 PM |
6:00 PM
|
| 9:00 PM |
7:00 PM
|
| 10:00 PM |
8:00 PM
|
| 11:00 PM |
9:00 PM
|
US East Coast summer offset (mid-March to early November), UTC-4. The narrower gap to Europe (only 4 h during northern-hemisphere summer) means early-morning EU meetings align with reasonable East Coast times.
Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Eastern Daylight Time and Mountain Daylight Time.
Explore more EDT conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.
Find the time difference from any major zone into Mountain Daylight Time. Use these pages when scheduling with United States from a different region.