Hanoi to Kolkata time converter
Hanoi is currently 1 hour 30 minutes ahead of Kolkata.
Hanoi
18:15
Mon, Oct 12
Kolkata
16:45
Mon, Oct 12
Mon, Oct 12, 2026Mon, Oct 12
Hanoi to Kolkata time conversion table
Times for Mon, Oct 12, 2026 in Hanoi.
| Hanoi | Kolkata |
|---|---|
| 00:0012:00 AM | 22:3010:30 PMprevious day |
| 01:001:00 AM | 23:3011:30 PMprevious day |
| 02:002:00 AM | 00:3012:30 AM |
| 03:003:00 AM | 01:301:30 AM |
| 04:004:00 AM | 02:302:30 AM |
| 05:005:00 AM | 03:303:30 AM |
| 06:006:00 AM | 04:304:30 AM |
| 07:007:00 AM | 05:305:30 AM |
| 08:008:00 AM | 06:306:30 AM |
| 09:009:00 AM | 07:307:30 AM |
| 10:0010:00 AM | 08:308:30 AM |
| 11:0011:00 AM | 09:309:30 AM |
| 12:0012:00 PM | 10:3010:30 AM |
| 13:001:00 PM | 11:3011:30 AM |
| 14:002:00 PM | 12:3012:30 PM |
| 15:003:00 PM | 13:301:30 PM |
| 16:004:00 PM | 14:302:30 PM |
| 17:005:00 PM | 15:303:30 PM |
| 18:006:00 PM | 16:304:30 PM |
| 19:007:00 PM | 17:305:30 PM |
| 20:008:00 PM | 18:306:30 PM |
| 21:009:00 PM | 19:307:30 PM |
| 22:0010:00 PM | 20:308:30 PM |
| 23:0011:00 PM | 21:309:30 PM |
What is the time difference between Hanoi and Kolkata?
Hanoi is currently 1 hour 30 minutes ahead of Kolkata. The difference can change when either city switches to or from daylight saving time.
Is Hanoi ahead of or behind Kolkata?
Hanoi is ahead of Kolkata by 1 hour 30 minutes. When it is 12:00 in Kolkata, it is 13:30 in Hanoi.
When it is 9:00 in Hanoi, what time is it in Kolkata?
When it is 9:00 in Hanoi, it is 7:30 in Kolkata.
Does the time difference between Hanoi and Kolkata change?
No. The difference stays at 1 hour 30 minutes all year, because the two cities either don't change their clocks or change them on the same dates.
What is the best time for a call between Hanoi and Kolkata?
Working hours (9:00 to 17:00) overlap from 10:30 to 17:00 in Hanoi, which is 9:00 to 15:30 in Kolkata. That gives 6 hours 30 minutes of shared office time.