Meeting Time Planner

Best time to call Chicago from Kolkata

Chicago is 10 hours 30 minutes behind Kolkata. Your working days don't overlap, so someone has to move.

Kolkata
20:25
India
at build
Chicago
09:55
United States
Kolkata UTC+05:30 GMT+5:30Chicago UTC-05:00 CDT

Your least-bad options

There is no 9–6 overlap. Stretching to 07:00–21:00 on both sides gives you 17:30–21:00 Kolkata time:
18:00 you → 07:30 Chicago
19:00 you → 08:30 Chicago
20:00 you → 09:30 Chicago

Your working day in Chicago time

09:00→22:30prev day · outside Chicago working hours
10:00→23:30prev day · outside Chicago working hours
11:00→00:30outside Chicago working hours
12:00→01:30outside Chicago working hours
13:00→02:30outside Chicago working hours
14:00→03:30outside Chicago working hours
15:00→04:30outside Chicago working hours
16:00→05:30outside Chicago working hours
17:00→06:30outside Chicago working hours

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