Time zone converter
EST to MST
Mountain Time (MST) is 2 hours behind Eastern Time (EST) all year (apart from a few hours on the nights the clocks change).
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- 1Type a place, a zone or a time
- 2Drag the hours: every clock moves together
- 3Share the link or add it to your calendar
EST to MST, hour by hour
Each hour of the day in Eastern Time, and the time in Mountain Time at that moment.
| EST / EDT | MST / MDT |
|---|---|
| 12:00 am | 10:00 pm (day before) |
| 1:00 am | 11:00 pm (day before) |
| 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 |
Working hours overlap
When 9 am – 5 pm on both sides meet, in each side's own time.
| January | July | |
|---|---|---|
| Eastern Time | 11:00 am – 5:00 pm (6 hours) | 11:00 am – 5:00 pm (6 hours) |
| Mountain Time | 9:00 am – 3:00 pm (6 hours) | 9:00 am – 3:00 pm (6 hours) |
About these abbreviations
- EST: US Eastern Time (New York). In summer it is EDT; people often say EST all year, and this page follows the clock, not the label.
- MST: US Mountain Time (Denver), MDT in summer. Arizona stays on MST all year.
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