EDT to MDT Converter
Understanding EDT and MDT Time Zones
Eastern Daylight Time (EDT)
Eastern Daylight Time is observed in undefined and uses the offset UTC-4. Major cities in this time zone include New York, Washington DC, Miami, Atlanta, Boston. This time zone serves a significant global region with important economic and cultural hubs.
Mountain Daylight Time (MDT)
Mountain Daylight Time operates at UTC-6, covering undefined. Key cities include Denver, Salt Lake City, Albuquerque. The 2-hour backward offset from EDT means that when professionals in New York start their workday at 9:00 AM, it is already 7:00 AM in Denver.
EDT is also commonly referred to as Eastern Daylight, Eastern Time, ET, East Coast time, New York time. MDT is also known as Mountain Time, Mountain Daylight, MT, Denver time. So if you are searching for Eastern Daylight to Mountain Time, this is the same conversion as EDT to MDT.
Complete EDT to MDT Conversion Table
The table below shows every two-hour increment converted from Eastern Daylight Time to Mountain Daylight Time. Business hours (9 AM – 5 PM) are highlighted for easy scheduling reference.
| EDT (Eastern Daylight Time) | MDT (Mountain Daylight Time) |
|---|---|
| 12:00 AM (00:00) | 10:00 PM (22:00) (previous day) |
| 2:00 AM (02:00) | 12:00 AM (00:00) |
| 4:00 AM (04:00) | 2:00 AM (02:00) |
| 6:00 AM (06:00) | 4:00 AM (04:00) |
| 8:00 AM (08:00) | 6:00 AM (06:00) |
| 10:00 AM (10:00) | 8:00 AM (08:00) |
| 12:00 PM (12:00) | 10:00 AM (10:00) |
| 2:00 PM (14:00) | 12:00 PM (12:00) |
| 4:00 PM (16:00) | 2:00 PM (14:00) |
| 6:00 PM (18:00) | 4:00 PM (16:00) |
| 8:00 PM (20:00) | 6:00 PM (18:00) |
| 10:00 PM (22:00) | 8:00 PM (20:00) |
Times shown in 12-hour and 24-hour format. Last updated 2026-03-09.
Scheduling Between EDT and MDT
Remote teams spanning New York and Denver often adopt asynchronous practices to bridge the 2-hour gap. Tools like Slack, Loom, and Notion reduce the need for real-time overlap while keeping projects moving forward.
The small 2-hour gap between EDT and MDT means that most of the business day overlaps, making real-time collaboration straightforward. Morning meetings in EDT align well with early morning schedules in MDT.
Travel Between New York and Denver
When arriving in Denver from New York, immediately set all devices to local time. Exposure to natural daylight at the destination helps reset your circadian rhythm. Westbound travelers should seek afternoon light.
Medical experts recommend allowing approximately one day of adjustment per hour of time difference. For the 2-hour shift between EDT and MDT, plan for a quick adjustment of 1–2 days.
Daylight Saving Time Considerations
Keep in mind that DST transition dates differ between regions. The US changes clocks in March and November, Europe in March and October, and Australia in April and October. This can cause temporary shifts in conversion results.
For the EDT to MDT conversion specifically: EDT (UTC-4) and MDT (UTC-6) both observe DST. When both zones transition on different dates, the offset temporarily shifts by one hour for a few weeks. Always verify during March–April and October–November.
Related Time Zone Conversions
References & Resources
Frequently Asked Questions
EDT (Eastern Daylight Time) is 2 hours ahead of MDT (Mountain Daylight Time). EDT is UTC-4 and MDT is UTC-6.
When it is 12:00 PM (noon) in EDT, it is 10:00 AM in MDT.
The best overlap for business hours is approximately 7:00 AM to 3:00 PM MDT, which corresponds to 9:00 AM to 5:00 PM in EDT.
Keep in mind that DST transition dates differ between regions. The US changes clocks in March and November, Europe in March and October, and Australia in April and October. This can cause temporary shifts in conversion results.