Meeting Time Planner

Best time to call Perth from Chicago

Perth is 13 hours ahead of Chicago. Your working days don't overlap, so someone has to move.

Chicago
09:55
United States
at build
Perth
22:55
Australia
Chicago UTC-05:00 CDTPerth UTC+08:00 GMT+8

Your least-bad options

There is no 9–6 overlap. Stretching to 07:00–21:00 on both sides gives you 18:00–21:00 Chicago time:
18:00 you → 07:00 Perth next day
19:00 you → 08:00 Perth next day
20:00 you → 09:00 Perth next day

Your working day in Perth time

09:00→22:00outside Perth working hours
10:00→23:00outside Perth working hours
11:00→00:00next day · outside Perth working hours
12:00→01:00next day · outside Perth working hours
13:00→02:00next day · outside Perth working hours
14:00→03:00next day · outside Perth working hours
15:00→04:00next day · outside Perth working hours
16:00→05:00next day · outside Perth working hours
17:00→06:00next day · outside Perth working hours

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