Time in Hanoi and Kolkata
The time difference between Hanoi and Kolkata is 1 hour 30 minutes. Kolkata is 1 hour 30 minutes behind Hanoi.
This means 9am in Hanoi is 7:30am in Kolkata and 5pm in Hanoi is 3:30pm in Kolkata.
Hanoi
- The current local time in Hanoi is 9:46 pm (July 11, 2026)
- The time zone offset for Hanoi, Vietnam, is UTC+07:00
Kolkata
- The current local time in Kolkata is 8:16 pm (July 11, 2026)
- Kolkata is in the Indian Standard Time Zone
- The time zone offset for Kolkata, India, is UTC+05:30
How to convert Hanoi time to Kolkata time?
Subtract 1 hour 30 minutes from Hanoi time to get Kolkata time.
Time in Hanoi
00:00
Time in Kolkata
00:00
Use the slider above to convert Hanoi time to Kolkata time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Hanoi | Kolkata |
|---|---|
| 12am | 10:30pm |
| 1am | 11:30pm |
| 2am | 0:30am |
| 3am | 1:30am |
| 4am | 2:30am |
| 5am | 3:30am |
| 6am | 4:30am |
| 7am | 5:30am |
| 8am | 6:30am |
| 9am | 7:30am |
| 10am | 8:30am |
| 11am | 9:30am |
| 12pm | 10:30am |
| 1pm | 11:30am |
| 2pm | 12:30pm |
| 3pm | 1:30pm |
| 4pm | 2:30pm |
| 5pm | 3:30pm |
| 6pm | 4:30pm |
| 7pm | 5:30pm |
| 8pm | 6:30pm |
| 9pm | 7:30pm |
| 10pm | 8:30pm |
| 11pm | 9:30pm |
Time difference from Hanoi (UTC+07:00)
+1 hour
+1 hour
-14 hours
+2 hours
-6 hours
+2 hours
+1 hour
-3 hours
-14 hours
-11 hours