Karachi ↔ Kolkata: working-hours overlap
Karachi12:30Kolkata
Karachi
GMT+5base
Kolkata
GMT+5:30
+1 day
Work hours
Date
Time difference
Kolkata is 30 minutes ahead of Karachi. Karachi is on GMT+5 and Kolkata is on GMT+5:30 right now.
Best time to call
With 09:00–17:00 working days, the best time for a call is 09:00–16:30 in Karachi, which is 09:30–17:00 in Kolkata.
Daylight saving
The time difference between Karachi and Kolkata stays the same all year — daylight saving either applies to both places equally or to neither.
Karachi → Kolkata conversion table
| Karachi | Kolkata |
|---|---|
| 00:00 | 00:30 |
| 01:00 | 01:30 |
| 02:00 | 02:30 |
| 03:00 | 03:30 |
| 04:00 | 04:30 |
| 05:00 | 05:30 |
| 06:00 | 06:30 |
| 07:00 | 07:30 |
| 08:00 | 08:30 |
| 09:00 | 09:30 |
| 10:00 | 10:30 |
| 11:00 | 11:30 |
| 12:00 | 12:30 |
| 13:00 | 13:30 |
| 14:00 | 14:30 |
| 15:00 | 15:30 |
| 16:00 | 16:30 |
| 17:00 | 17:30 |
| 18:00 | 18:30 |
| 19:00 | 19:30 |
| 20:00 | 20:30 |
| 21:00 | 21:30 |
| 22:00 | 22:30 |
| 23:00 | 23:30 |
Rows highlighted in green fall inside 09:00–17:00 in both places.