3 AM GMT to MDT

Greenwich Mean Time → Mountain Daylight Time

Outside business hours

GMT

3 AM

UTC+0

=

MDT

9 PM

UTC-6

(-1 day)

3 AM GMT (Greenwich Mean Time) equals 9 PM MDT (previous day) (Mountain Daylight Time). This falls outside typical business hours for one or both regions.

Live — GMT

15:57:02

Friday, March 20

UTC+0

Live — MDT

09:57:02

Friday, March 20

UTC-6

DST active

Daylight Saving Time (DST)

  • GMT (Greenwich Mean Time) observes DST — currently not active (standard time).
  • DST transitions may shift this offset by ±1 hour twice per year.

GMT

Full name
Greenwich Mean Time
UTC offset
UTC+0
DST
Observed (inactive)
Region
Europe/Africa
Current time in GMT →

MDT

Full name
Mountain Daylight Time
UTC offset
UTC-6
DST
Not observed
Region
North America
Current time in MDT →

24-Hour Comparison — GMT to MDT

Click any row to jump to that hour's page.

12 AM6 AM12 PM6 PM11 PM
GMTMDTDayMeeting
12 AM
6 PM
-1d
Early/Late
1 AM
7 PM
-1d
Off hours
2 AM
8 PM
-1d
Off hours
3 AMthis
9 PM
-1d
Off hours
4 AM
10 PM
-1d
Off hours
5 AM
11 PM
-1d
Off hours
6 AM
12 AM
–
Off hours
7 AM
1 AM
–
Off hours
8 AM
2 AM
–
Early/Late
9 AM
3 AM
–
Early/Late
10 AM
4 AM
–
Early/Late
11 AM
5 AM
–
Early/Late
12 PM
6 AM
–
Early/Late
1 PM
7 AM
–
Early/Late
2 PM
8 AM
–
Good
3 PM
9 AM
–
Good
4 PM
10 AM
–
Good
5 PM
11 AM
–
Good
6 PM
12 PM
–
Good
7 PM
1 PM
–
Early/Late
8 PM
2 PM
–
Early/Late
9 PM
3 PM
–
Early/Late
10 PM
4 PM
–
Early/Late
11 PM
5 PM
–
Early/Late

Green = business hours overlap · Amber = partial · Red = off hours

Previous

2 AM

= 8 PM MDT

Next

4 AM

= 10 PM MDT

GMT ↔ MDT Overview

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Major Cities

GMT Cities

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MDT Cities

🇺🇸Denver🇨🇦Calgary