Surat and Kolkata are in the same timezone. You can call anytime during standard business hours (9 AM – 5 PM). No timezone conversion needed.
Call between 9 AM–5 PM Surat time. This is 9 AM–5 PM in Kolkata.
Surat and Kolkata share 8 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Kolkata from Surat is 9 AM–5 PM Surat time. This gives you 8 hours of business hours overlap.
Surat and Kolkata are in the same timezone.
Since Surat and Kolkata share similar business hours, you can call during any standard working time.
Yes, Surat and Kolkata have approximately 8 hours of overlapping business hours per day.
You have 8 hours of business hours overlap — scheduling calls is easy.
Both in business hours Both awake One outside comfort zone Sleeping hours
Surat: 9 AM–5 PM GMT+5:30
Kolkata: 9 AM–5 PM GMT+5:30
| Surat (GMT+5:30) | Kolkata (GMT+5:30) | Status |
|---|---|---|
| 7 AM | 7 AM | 🟡 They're awake |
| 8 AM | 8 AM | 🟡 They're awake |
| 9 AM | 9 AM | ✅ Both in office |
| 10 AM | 10 AM | ✅ Both in office |
| 11 AM | 11 AM | ✅ Both in office |
| 12 PM | 12 PM | ✅ Both in office |
| 1 PM | 1 PM | ✅ Both in office |
| 2 PM | 2 PM | ✅ Both in office |
| 3 PM | 3 PM | ✅ Both in office |
| 4 PM | 4 PM | ✅ Both in office |
| 5 PM | 5 PM | 🟡 They're awake |
| 6 PM | 6 PM | 🟡 They're awake |
| 7 PM | 7 PM | 🟡 They're awake |
| 8 PM | 8 PM | 🟡 They're awake |
| 9 PM | 9 PM | 🟡 They're awake |