Mountain Daylight Time (mdt) is used in USA. The IANA timezone identifier is America/Denver.

Coordinated Universal Time (utc) is used in United Kingdom. The IANA timezone identifier is UTC.

MDT to UTC Time Converter

Mountain Daylight Time → Coordinated Universal Time

MDT = UTC-6UTC = UTC+0

ClockinSync

BASE

09:00

Work Clients Team +

00:0006:0012:0018:0024:00

UTC (London)

United Kingdom · +7h

16:00

New York

USA · +2h

11:00

Tokyo

Japan · +15h

00:00+1 day

Dubai

United Arab Emirates · +10h

19:00

Sydney

Australia · +16h

01:00+1 day

MDT (Denver) to UTC (London) — exact time difference

MDT (Denver) is 6 hours behind UTC (London). At noon in MDT (Denver), your contact in UTC (London) sees 18:00.

MDT (Denver) is in the America/Denver timezone. UTC (London) is in Europe/London. The difference is 6 hours.

Working hours overlap

MDT (Denver) and UTC (London) share 2 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.

00:0006:0012:0018:0024:00

MDT (Denver)

UTC (London)

Overlap (2h)

Recommended meeting windows

Both MDT (Denver) and UTC (London) are in standard hours simultaneously for 2h per day.

09:00 Denver / 15:00 London✓ Both working

10:00 Denver / 16:00 London✓ Both working

Based on standard 09:00–17:00 working hours in each location's local time.

Public holidays for both locations

MDT (Denver)8 holidays

Jun 19Juneteenth National Independence DaySOON

Jul 3Independence Day

Sep 7Labour Day

Oct 12Columbus Day

Oct 12Indigenous Peoples' Day

UTC (London)

No upcoming public holidays this year.

Scheduling between MDT (Denver) and UTC (London)

MDT (Denver) (USA) leads UTC (London) (United Kingdom) by 6 hours. Despite the gap, a 2-hour window of shared business hours each day keeps real-time collaboration practical for both sides.

💡 Scheduling tips for these locations

✅

09:00–10:00 in MDT (Denver) = 15:00–16:00 in UTC (London). Both sides are in standard business hours during this window.

✅

10:00–11:00 in MDT (Denver) = 16:00–17:00 in UTC (London). 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.

Get the Extension — Free →

Use the time slider above to find the exact equivalent time for any moment in MDT (Denver). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.

MDT (Denver) ↔ UTC (London)

2h of business hours overlap daily (09:00–17:00)

MDT (Denver)

UTC (London)

00:00

06:00

01:00

07:00

02:00

08:00