Meeting Time Planner

Best time to call Tokyo from Denver

Tokyo is 15 hours ahead of Denver. Your working days don't overlap, so someone has to move.

Denver
08:55
United States
at build
Tokyo
23:55
Japan
Denver UTC-06:00 MDTTokyo UTC+09:00 GMT+9

Your least-bad options

There is no 9–6 overlap. Stretching to 07:00–21:00 on both sides gives you 16:00–21:00 Denver time:
16:00 you → 07:00 Tokyo next day
17:00 you → 08:00 Tokyo next day
18:00 you → 09:00 Tokyo next day

Your working day in Tokyo time

09:00→00:00next day · outside Tokyo working hours
10:00→01:00next day · outside Tokyo working hours
11:00→02:00next day · outside Tokyo working hours
12:00→03:00next day · outside Tokyo working hours
13:00→04:00next day · outside Tokyo working hours
14:00→05:00next day · outside Tokyo working hours
15:00→06:00next day · outside Tokyo working hours
16:00→07:00next day · outside Tokyo working hours
17:00→08:00next day · outside Tokyo working hours

Working hours assumed 09:00–18:00 local. Offsets include daylight saving where it applies, so this shifts through the year.