The best time to call Sydney from Kolkata is 9 AM–11.5 AM your time (Kolkata). Sydney, Australia is 5 hours ahead of Kolkata, India. You have 2.5 hours of business hours overlap for scheduling calls.
Call between 9 AM–11.5 AM Kolkata time. This is 2.5 PM–5 PM in Sydney.
Kolkata and Sydney share 2.5 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Sydney from Kolkata is 9 AM–11.5 AM Kolkata time. This gives you 2.5 hours of business hours overlap.
Sydney is 5 hours ahead of Kolkata.
Avoid calling after 4.5 PM your time (it's late night there).
Yes, Kolkata and Sydney have approximately 2.5 hours of overlapping business hours per day.
Only 2.5 hours of overlap. Try to call between 9 AM–11.5 AM your time.
Both in business hours Both awake One outside comfort zone Sleeping hours
Kolkata: 9 AM–11.5 AM GMT+5:30
Sydney: 2.5 PM–5 PM GMT+11
| Kolkata (GMT+5:30) | Sydney (GMT+11) | Status |
|---|---|---|
| 7 AM | 12 PM | 🟡 They're awake |
| 8 AM | 1 PM | 🟡 They're awake |
| 9 AM | 2 PM | ✅ Both in office |
| 10 AM | 3 PM | ✅ Both in office |
| 11 AM | 4 PM | ✅ Both in office |
| 12 PM | 5 PM | 🟡 They're awake |
| 1 PM | 6 PM | 🟡 They're awake |
| 2 PM | 7 PM | 🟡 They're awake |
| 3 PM | 8 PM | 🟡 They're awake |
| 4 PM | 9 PM | 🟡 They're awake |
| 5 PM | 10 PM | 🔴 They're sleeping |
| 6 PM | 11 PM | 🔴 They're sleeping |
| 7 PM | 12 AM | 🔴 They're sleeping |
| 8 PM | 1 AM | 🔴 They're sleeping |
| 9 PM | 2 AM | 🔴 They're sleeping |