The best time to call Colombo from Singapore is 11.5 AM–5 PM your time (Singapore). Colombo, Sri Lanka is 3 hours behind Singapore, Singapore. You have 5.5 hours of business hours overlap for scheduling calls.
Call between 11.5 AM–5 PM Singapore time. This is 9 AM–2.5 PM in Colombo.
Singapore and Colombo share 5.5 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Colombo from Singapore is 11.5 AM–5 PM Singapore time. This gives you 5.5 hours of business hours overlap.
Colombo is 3 hours behind Singapore.
Avoid calling before 9.5 AM your time (they haven't started their day).
Yes, Singapore and Colombo have approximately 5.5 hours of overlapping business hours per day.
You have 5.5 hours of overlap. Call during 11.5 AM–5 PM your time for the best results.
Both in business hours Both awake One outside comfort zone Sleeping hours
Singapore: 11.5 AM–5 PM GMT+8
Colombo: 9 AM–2.5 PM GMT+5:30
| Singapore (GMT+8) | Colombo (GMT+5:30) | Status |
|---|---|---|
| 7 AM | 4 AM | 🔴 They're sleeping |
| 8 AM | 5 AM | 🔴 They're sleeping |
| 9 AM | 6 AM | 🔴 They're sleeping |
| 10 AM | 7 AM | 🟡 They're awake |
| 11 AM | 8 AM | 🟡 They're awake |
| 12 PM | 9 AM | ✅ Both in office |
| 1 PM | 10 AM | ✅ Both in office |
| 2 PM | 11 AM | ✅ Both in office |
| 3 PM | 12 PM | ✅ Both in office |
| 4 PM | 1 PM | ✅ Both in office |
| 5 PM | 2 PM | 🟡 They're awake |
| 6 PM | 3 PM | 🟡 They're awake |
| 7 PM | 4 PM | 🟡 They're awake |
| 8 PM | 5 PM | 🟡 They're awake |
| 9 PM | 6 PM | 🟡 They're awake |