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London · Reykjavik · Accra
Schedule a fair multi-city call with the free time zone converter meeting planner.
Difference
MDT vs GMT
UTC → UTC
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Denver · Salt Lake City · Edmonton
GMT to MDT converter
GMT to MDT Converter
Convert GMT (London) to MDT (Denver) now. Live clocks, the current time difference, and a simple meeting window — free.
Etc/UTC
—
GMT → MDT
To · Mountain Daylight Time
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America/Denver
Interactive diagram
Watch GMT convert into MDT
Drag the GMT hour. Watch the Mountain DT clock change.
GMT
9:00 AM GMT
—
MDT ← GMT
Mountain DT
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Full-day chart
GMT to MDT hourly conversion chart
Full-day table. Tap a row to copy. Labels follow daylight saving.
| GMT | Mountain DT | UTC offsets |
|---|
Meeting times
Best GMT to MDT meeting window
Find hours that work on both sides. Then save the slot to your calendar.
Follow along
Step-by-step GMT to MDT conversion
Four short steps to convert any GMT time to MDT.
Choose GMT time
Select any hour in Greenwich Mean Time. Smart mode uses Etc/UTC.
GMT to MDT conversion guide
GMT to MDT conversion guide
This GMT to MDT converter shows Mountain Daylight Time (UTC−6) for any Greenwich Mean Time (UTC±0) time. Use it to schedule between London and Denver. Choose Smart DST for live city clocks. Choose Fixed mode when you only want the GMT and MDT labels.
GMT
GMT
UTC±0
London · Reykjavik · Accra
GMT vs MDT—
Mountain DT
MDT
UTC−6
Denver · Salt Lake City · Edmonton
What is GMT to MDT conversion?
GMT to MDT conversion turns a GMT clock into the matching MDT time. Use it for calls, travel, and teams in London and Denver.
GMT to MDT time difference
MDT is 6 hours behind GMT. Subtract 6 hours from the GMT time to get MDT. The live clocks at the top show the current GMT to MDT gap.
GMT vs MDT
GMT is UTC±0. MDT is UTC−6. They are different names. If a region uses daylight saving, check the live labels.
GMT to MDT now / current time
Need gmt to mdt right now? Read the live clocks, or tap Use current time for an instant GMT → MDT result.
GMT to MDT time difference
Season / context — tap to explore
See how daylight saving can change this pair.
GMT—
—GMT → MDT
Mountain DT—
Quick answers
GMT
Greenwich Mean Time (GMT)
UTC±0
Same as UTC+0 here. London often uses BST in summer.
- Cities: London · Reykjavik · Accra
- City clock: Etc/UTC
- Fixed GMT: UTC±0
- On this page it pairs with MDT (UTC−6)
Mountain DT
Mountain Daylight Time (MDT)
UTC−6
Mountain Daylight Time (MDT) is UTC−6. Smart DST uses America/Denver for cities such as Denver · Salt Lake City · Edmonton.
- Cities: Denver · Salt Lake City · Edmonton
- City clock: America/Denver
- Fixed MDT: UTC−6
- From GMT: MDT is 6 hours behind GMT
GMT to MDT FAQ
Common GMT to MDT questions
What is the GMT to MDT time difference?
MDT is 6 hours behind GMT. Fixed labels: GMT = UTC±0, MDT = UTC−6. Subtract 6 hours from the GMT time to get MDT.
How do I convert GMT to MDT quickly?
Subtract 6 hours from the GMT time to get MDT. Example: 3:00 AM GMT → 9:00 PM MDT. Or use the live GMT to MDT converter above.
Is MDT the same as GMT?
No. GMT is UTC±0 (London · Reykjavik · Accra). MDT is UTC−6 (Denver · Salt Lake City · Edmonton).
What is a good GMT to MDT meeting time?
MDT is behind. Try 10:00 AM–3:00 PM GMT. That is about 4:00 AM–9:00 AM MDT. Use the meeting planner on this page to export an ICS or Google Calendar invite.
What cities use GMT and MDT?
GMT is common in London · Reykjavik · Accra. MDT is common in Denver · Salt Lake City · Edmonton. Smart DST uses Etc/UTC and America/Denver.