Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between edt and mdt?
Eastern Daylight Time (edt) is UTC-4 and Mountain Daylight Time (mdt) is UTC-6. The difference between them is 2 hours.
Where is edt used?
Eastern Daylight Time (edt) is used in USA and surrounding regions. The IANA timezone identifier is America/New_York.
Where is mdt used?
Mountain Daylight Time (mdt) is used in USA and surrounding regions. The IANA timezone identifier is America/Denver.
How do I convert edt to mdt?
Use the interactive converter above. Drag the time slider to any edt time and the mdt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
EDT (New York) is 2 hours ahead of MDT (Denver). Midday in EDT (New York) lines up with 10:00 in MDT (Denver).
EDT (New York) is in the America/New_York timezone. MDT (Denver) is in America/Denver. The difference is 2 hours.
Business hours comparison
There is a 6-hour window each day where both EDT (New York) and MDT (Denver) are within standard business hours (09:00–17:00).
00:0006:0012:0018:0024:00
EDT (New York)
MDT (Denver)
Overlap (6h)
When to schedule across time zones
Both EDT (New York) and MDT (Denver) are in standard hours simultaneously for 6h per day. 3 recommended slots shown below.
11:00 New York / 09:00 Denver✓ Both working
12:00 New York / 10:00 Denver✓ Both working
13:00 New York / 11:00 Denver✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Upcoming public holidays
⚡ Watch out — upcoming holidays on both sides. Verify availability in advance.
EDT (New York)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
MDT (Denver)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
How to work with EDT (New York) and MDT (Denver) time zones
Working across EDT (New York) (USA) and MDT (Denver) (USA) involves a 2-hour gap. The good news: there is a 6-hour mutual window in standard business hours that lets both sides collaborate without anyone joining at an unreasonable hour.
💡 How to schedule across these time zones
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11:00–12:00 in EDT (New York) = 09:00–10:00 in MDT (Denver). Both sides are in standard business hours during this window.
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12:00–13:00 in EDT (New York) = 10:00–11:00 in MDT (Denver). Both sides are in standard business hours during this window.
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13:00–14:00 in EDT (New York) = 11:00–12:00 in MDT (Denver). Both sides are in standard business hours during this window.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Use the time slider above to find the exact equivalent time for any moment in EDT (New York). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
