Observatory log
Dhaka and Kolkata, compared
- 01Difference now
Kolkata is 30 minutes behind Dhaka.
Dhaka: UTC+6 (UTC+6) · Kolkata: IST (UTC+5:30)
- 02Through 2026–2027
The difference stays the same all year.
- 1 January 2026 – 31 December 2027−30 min
Difference of Kolkata from Dhaka. It changes on the days either place changes its clocks (dates local to that place).
- 03Shared working hours
- Mon–Thu: 09:30–17:00 in Dhaka = 09:00–16:30 in Kolkata · 7 h 30 min
Counted as 09:00–17:00 local time on each place’s own working days, for the next seven days.
- 04Best time to meet
09:30–17:00 in Dhaka = 09:00–16:30 in Kolkata
Inside both working days (Mon–Thu).
- 05Weekend
Dhaka: Friday and Saturday
Kolkata: Saturday and Sunday
24 hours
A day in Dhaka, in Kolkata
| Dhaka | Kolkata | Working hours, evening, night or weekend in each place |
|---|---|---|
| 00:00 | 23:30Yesterday | |
| 01:00 | 00:30 | |
| 02:00 | 01:30 | |
| 03:00 | 02:30 | |
| 04:00 | 03:30 | |
| 05:00 | 04:30 | |
| 06:00 | 05:30 | |
| 07:00 | 06:30 | |
| 08:00 | 07:30 | |
| 09:00 | 08:30 | |
| 10:00 | 09:30 | |
| 11:00 | 10:30 | |
| 12:00 | 11:30 | |
| 13:00 | 12:30 | |
| 14:00 | 13:30 | |
| 15:00 | 14:30 | |
| 16:00 | 15:30 | |
| 17:00 | 16:30 | |
| 18:00 | 17:30 | |
| 19:00 | 18:30 | |
| 20:00 | 19:30 | |
| 21:00 | 20:30 | |
| 22:00 | 21:30 | |
| 23:00 | 22:30 |
Working hoursEarly or eveningNightWeekend
Plan a meeting: Dhaka and Kolkata
More time differences with Dhaka
Questions
Asked about Dhaka and Kolkata
What is the time difference between Dhaka and Kolkata?
Kolkata is 30 minutes behind Dhaka. The difference stays the same all year.
What is the best time for a call between Dhaka and Kolkata?
Inside both working days: Mon–Thu: 09:30–17:00 in Dhaka = 09:00–16:30 in Kolkata · 7 h 30 min.
When does the time difference between Dhaka and Kolkata change?
It does not change in the next 12 months: Dhaka and Kolkata either keep the same time all year or change their clocks on the same dates.