The best time to call Colombo from Tokyo is 0.5 PM–5 PM your time (Tokyo). Colombo, Sri Lanka is 4 hours behind Tokyo, Japan. You have 4.5 hours of business hours overlap for scheduling calls.
Call between 0.5 PM–5 PM Tokyo time. This is 9 AM–1.5 PM in Colombo.
Tokyo and Colombo share 4.5 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Colombo from Tokyo is 0.5 PM–5 PM Tokyo time. This gives you 4.5 hours of business hours overlap.
Colombo is 4 hours behind Tokyo.
Avoid calling before 10.5 AM your time (they haven't started their day).
Yes, Tokyo and Colombo have approximately 4.5 hours of overlapping business hours per day.
You have 4.5 hours of overlap. Call during 0.5 PM–5 PM your time for the best results.
Both in business hours Both awake One outside comfort zone Sleeping hours
Tokyo: 0.5 PM–5 PM GMT+9
Colombo: 9 AM–1.5 PM GMT+5:30
| Tokyo (GMT+9) | Colombo (GMT+5:30) | Status |
|---|---|---|
| 7 AM | 3 AM | 🔴 They're sleeping |
| 8 AM | 4 AM | 🔴 They're sleeping |
| 9 AM | 5 AM | 🔴 They're sleeping |
| 10 AM | 6 AM | 🔴 They're sleeping |
| 11 AM | 7 AM | 🟡 They're awake |
| 12 PM | 8 AM | 🟡 They're awake |
| 1 PM | 9 AM | ✅ Both in office |
| 2 PM | 10 AM | ✅ Both in office |
| 3 PM | 11 AM | ✅ Both in office |
| 4 PM | 12 PM | ✅ Both in office |
| 5 PM | 1 PM | 🟡 They're awake |
| 6 PM | 2 PM | 🟡 They're awake |
| 7 PM | 3 PM | 🟡 They're awake |
| 8 PM | 4 PM | 🟡 They're awake |
| 9 PM | 5 PM | 🟡 They're awake |