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MT to ET time converter
US Eastern is 2 hours ahead of US Mountain all year.
MT to ET conversion table
Local time in US Mountain and the matching time in US Eastern on two reference dates, one in winter and one in summer for the northern hemisphere.
| US Mountain (MT) | US Eastern on 15 January | US Eastern on 15 July |
|---|---|---|
| 08:00 | 10:00 | 10:00 |
| 09:00 | 11:00 | 11:00 |
| 10:00 | 12:00 | 12:00 |
| 12:00 | 14:00 | 14:00 |
| 15:00 | 17:00 | 17:00 |
| 17:00 | 19:00 | 19:00 |
| 18:00 | 20:00 | 20:00 |
| 21:00 | 23:00 | 23:00 |
Best meeting times between US Mountain and US Eastern
- January: Inside both working days (09:00-17:00): 09:00-15:00 MT = 11:00-17:00 ET.
- July: Inside both working days (09:00-17:00): 09:00-15:00 MT = 11:00-17:00 ET.
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between MT and ET
- US Mountain moves its clocks forward on 8 March and back on 1 November in 2026.
- US Eastern moves its clocks forward on 8 March and back on 1 November in 2026.
About the two zones
US Mountain. US Mountain Time is UTC-7 in winter (MST) and UTC-6 in summer (MDT). Arizona is the notable exception and stays on MST all year.
US Eastern. US Eastern Time is UTC-5 in winter (EST) and UTC-4 in summer (EDT), and is the default business time for much of the US East Coast.
Frequently asked questions
What time is 9 AM MT in ET?
On 15 January, 09:00 in US Mountain is 11:00 in US Eastern. On 15 July it is 11:00.
What is the time difference between US Mountain and US Eastern?
US Eastern is 2 hours ahead of US Mountain all year.
Does the time difference between MT and ET change during the year?
No. Neither zone changes its clocks in a way that alters the gap, so the difference stays at 2 hours.
When is the best time for a meeting between US Mountain and US Eastern?
Inside both working days (09:00-17:00): 09:00-15:00 MT = 11:00-17:00 ET. In July: Inside both working days (09:00-17:00): 09:00-15:00 MT = 11:00-17:00 ET.
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.