Hanoi to Kolkata Time Difference
🇻🇳 Hanoi is currently 1.5 hours behind of 🇮🇳 Kolkata.
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Atin 🇻🇳 Hanoi→it will be—in 🇮🇳 Kolkata
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Difference
-1.5h
Business overlap
8h
Distance
1,811 km
Approx. flight
2.1h
Hour-by-Hour: Hanoi to Kolkata
| 🇻🇳 Hanoi | 🇮🇳 Kolkata | Note |
|---|---|---|
| 12:00 AM | 10:30 PM(prev day) | Previous day |
| 1:00 AM | 11:30 PM(prev day) | Previous day |
| 2:00 AM | 12:30 AM | |
| 3:00 AM | 1:30 AM | |
| 4:00 AM | 2:30 AM | |
| 5:00 AM | 3:30 AM | |
| 6:00 AM | 4:30 AM | |
| 7:00 AM | 5:30 AM | |
| 8:00 AM | 6:30 AM | |
| 9:00 AM | 7:30 AM | |
| 10:00 AM | 8:30 AM | |
| 11:00 AM | 9:30 AM | |
| 12:00 PM | 10:30 AM | |
| 1:00 PM | 11:30 AM | |
| 2:00 PM | 12:30 PM | |
| 3:00 PM | 1:30 PM | |
| 4:00 PM | 2:30 PM | |
| 5:00 PM | 3:30 PM | |
| 6:00 PM | 4:30 PM | |
| 7:00 PM | 5:30 PM | |
| 8:00 PM | 6:30 PM | |
| 9:00 PM | 7:30 PM | |
| 10:00 PM | 8:30 PM | |
| 11:00 PM | 9:30 PM |
Daylight Saving Time (DST)
Neither Hanoi nor Kolkata observes Daylight Saving Time. The time difference is always 1.5 hours behind.
Best Meeting Times
There are 8 overlapping business hours between Hanoi and Kolkata (9 AM – 6 PM in each city).
🇻🇳 Hanoi
10:00 AM – 6:00 PM
🇮🇳 Kolkata
8:30 AM – 4:30 PM
Frequently Asked Questions
What is the time difference between Hanoi and Kolkata?
The time difference between Hanoi and Kolkata is currently 1.5 hours behind. Hanoi uses GMT+7 (UTC+7), while Kolkata uses GMT+5:30 (UTC+5:30).
When it's noon in Hanoi, what time is it in Kolkata?
When it's 12:00 PM (noon) in Hanoi, it is 10:30 AM in Kolkata. Use our calculator above to convert any other time.
Does the time difference between Hanoi and Kolkata change?
No. The time difference between Hanoi and Kolkata is always 1.5 hours behind — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Hanoi and Kolkata?
The best time to call is between 10:00 AM and 6:00 PM in Hanoi (which is 8:30 AM – 4:30 PM in Kolkata). This 8-hour window falls within business hours in both cities.
Is Hanoi ahead or behind Kolkata?
Hanoi is currently 1.5 hours ahead of Kolkata.
What time zone is Hanoi in?
Hanoi is in the Asia/Ho Chi_Minh time zone, currently using GMT+7 (UTC+7). Hanoi does not observe Daylight Saving Time.
What time is midnight in Hanoi in Kolkata?
When it is midnight (12:00 AM) in Hanoi, it is 10:30 PM in Kolkata.