The best time to call Osaka from Kolkata is 9 AM–1.5 PM your time (Kolkata). Osaka, Japan is 4 hours ahead of Kolkata, India. You have 4.5 hours of business hours overlap for scheduling calls.
Call between 9 AM–1.5 PM Kolkata time. This is 0.5 PM–5 PM in Osaka.
Kolkata and Osaka share 4.5 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Osaka from Kolkata is 9 AM–1.5 PM Kolkata time. This gives you 4.5 hours of business hours overlap.
Osaka is 4 hours ahead of Kolkata.
Avoid calling after 6.5 PM your time (it's late night there).
Yes, Kolkata and Osaka have approximately 4.5 hours of overlapping business hours per day.
You have 4.5 hours of overlap. Call during 9 AM–1.5 PM your time for the best results.
Both in business hours Both awake One outside comfort zone Sleeping hours
Kolkata: 9 AM–1.5 PM GMT+5:30
Osaka: 0.5 PM–5 PM GMT+9
| Kolkata (GMT+5:30) | Osaka (GMT+9) | Status |
|---|---|---|
| 7 AM | 11 AM | 🟡 They're awake |
| 8 AM | 12 PM | 🟡 They're awake |
| 9 AM | 1 PM | ✅ Both in office |
| 10 AM | 2 PM | ✅ Both in office |
| 11 AM | 3 PM | ✅ Both in office |
| 12 PM | 4 PM | ✅ Both in office |
| 1 PM | 5 PM | 🟡 They're awake |
| 2 PM | 6 PM | 🟡 They're awake |
| 3 PM | 7 PM | 🟡 They're awake |
| 4 PM | 8 PM | 🟡 They're awake |
| 5 PM | 9 PM | 🟡 They're awake |
| 6 PM | 10 PM | 🔴 They're sleeping |
| 7 PM | 11 PM | 🔴 They're sleeping |
| 8 PM | 12 AM | 🔴 They're sleeping |
| 9 PM | 1 AM | 🔴 They're sleeping |