No overlap — one side will join outside working hours
MDT (Denver)
TOKYO (Tokyo)
00:00
15:00Working
01:00
16:00Working
02:00
17:00
03:00
18:00
04:00
19:00
05:00
20:00
06:00
21:00
07:00
22:00
08:00
23:00
09:00Working
00:00+1doff
10:00Working
01:00+1doff
11:00Working
02:00+1doff
12:00Working
03:00+1doff
13:00Working
04:00+1doff
14:00Working
05:00+1doff
15:00Working
06:00+1doff
16:00Working
07:00+1doff
17:00
08:00+1d
18:00
09:00+1dWorking
19:00
10:00+1dWorking
20:00
11:00+1dWorking
21:00
12:00+1dWorking
22:00
13:00+1dWorking
23:00
14:00+1dWorking
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between mdt and tokyo?
Mountain Daylight Time (mdt) is UTC-6 and TOKYO (Tokyo) (tokyo) is UTC+9. The difference between them is 15 hours.
Where is mdt used?
Mountain Daylight Time (mdt) is used in USA and surrounding regions. The IANA timezone identifier is America/Denver.
Where is tokyo used?
TOKYO (Tokyo) (tokyo) is used in Japan and surrounding regions. The IANA timezone identifier is Asia/Tokyo.
How do I convert mdt to tokyo?
Use the interactive converter above. Drag the time slider to any mdt time and the tokyo equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
MDT (Denver) is 15 hours behind Tokyo. When it's noon in MDT (Denver), it's 03:00 in Tokyo.
MDT (Denver) is in the America/Denver timezone. Tokyo is in Asia/Tokyo. The difference is 15 hours.
Shared working hours
MDT (Denver) and Tokyo have no shared working hours under a standard 9:00–17:00 schedule. One side will always need to join at an off-hour.
Recommended meeting windows
Since MDT (Denver) and Tokyo don't share working hours, these are the most practical options available.
16:00 Denver / 07:00 Tokyo⚡ One side off-hours
⚠️ 2h before working hours in Tokyo
18:00 Denver / 09:00 Tokyo⚡ One side off-hours
⚠️ 2h after working hours in Denver
15:00 Denver / 06:00 Tokyo⚡ One side off-hours
⚠️ 3h before working hours in Tokyo
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays this year
⚡ Upcoming holidays in both locations, confirm with your contact before booking.
MDT (Denver)7 holidays
Jul 3Independence DaySOON
Sep 7Labour Day
Oct 12Columbus Day
Oct 12Indigenous Peoples' Day
Nov 11Veterans Day
Tokyo7 holidays
Jul 20Marine Day
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
MDT (Denver) and Tokyo — practical scheduling
A 15-hour difference separates MDT (Denver) (USA) and Tokyo (Japan) — wide enough that standard business hours don't align at all. Scheduling requires deliberate compromise from both sides.
💡 Practical scheduling guidelines
⚡
When MDT (Denver) is at 16:00, Tokyo reads 07:00 — 2h before working hours in Tokyo.
⚡
When MDT (Denver) is at 18:00, Tokyo reads 09:00 — 2h after working hours in Denver.
⚡
When MDT (Denver) is at 15:00, Tokyo reads 06:00 — 3h before working hours in Tokyo.
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
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 MDT (Denver). The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
