The best time to call Bangkok from Kolkata is 9 AM–3.5 PM your time (Kolkata). Bangkok, Thailand is 2 hours ahead of Kolkata, India. You have 6.5 hours of business hours overlap for scheduling calls.
Call between 9 AM–3.5 PM Kolkata time. This is 10.5 AM–5 PM in Bangkok.
Kolkata and Bangkok share 6.5 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Bangkok from Kolkata is 9 AM–3.5 PM Kolkata time. This gives you 6.5 hours of business hours overlap.
Bangkok is 2 hours ahead of Kolkata.
Avoid calling after 8.5 PM your time (it's late night there).
Yes, Kolkata and Bangkok have approximately 6.5 hours of overlapping business hours per day.
You have 6.5 hours of business hours overlap — scheduling calls is easy.
Both in business hours Both awake One outside comfort zone Sleeping hours
Kolkata: 9 AM–3.5 PM GMT+5:30
Bangkok: 10.5 AM–5 PM GMT+7
| Kolkata (GMT+5:30) | Bangkok (GMT+7) | Status |
|---|---|---|
| 7 AM | 9 AM | 🟡 They're awake |
| 8 AM | 10 AM | 🟡 They're awake |
| 9 AM | 11 AM | ✅ Both in office |
| 10 AM | 12 PM | ✅ Both in office |
| 11 AM | 1 PM | ✅ Both in office |
| 12 PM | 2 PM | ✅ Both in office |
| 1 PM | 3 PM | ✅ Both in office |
| 2 PM | 4 PM | ✅ Both in office |
| 3 PM | 5 PM | 🟡 They're awake |
| 4 PM | 6 PM | 🟡 They're awake |
| 5 PM | 7 PM | 🟡 They're awake |
| 6 PM | 8 PM | 🟡 They're awake |
| 7 PM | 9 PM | 🟡 They're awake |
| 8 PM | 10 PM | 🔴 They're sleeping |
| 9 PM | 11 PM | 🔴 They're sleeping |