1 AM GMT to MDT

Greenwich Mean Time → Mountain Daylight Time

Partial overlap

GMT

1 AM

UTC+1

=

MDT

6 PM

UTC-6

(-1 day)

1 AM GMT (Greenwich Mean Time) equals 6 PM MDT (previous day) (Mountain Daylight Time). This is a common time for meetings across time zones.

Live — GMT

10:09:27

Wednesday, May 13

UTC+1

DST active

Live — MDT

03:09:27

Wednesday, May 13

UTC-6

DST active

Daylight Saving Time (DST)

  • GMT (Greenwich Mean Time) observes DST — currently active (clocks are +1h ahead).
  • DST transitions may shift this offset by ±1 hour twice per year.

GMT

Full name
Greenwich Mean Time
UTC offset
UTC+1
DST
Active
Region
Europe/Africa

MDT

Full name
Mountain Daylight Time
UTC offset
UTC-6
DST
Not observed
Region
North America