Vietnam Time to JST Converter
JST is 2 hours ahead of ICT. 9:00 AM ICT = 11:00 AM JST.
JST is 2 hours ahead of ICT. To convert Vietnam Time to JST, add 2 hours to the Vietnam Time time: 9:00 AM ICT = 11:00 AM JST.
Vietnam Time (Vietnam time) is used in Vietnam. JST (Japan Time) is used in Japan.
Vietnam Time to JST time conversion table
Vietnam Time to JST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Vietnam Time | JST | Day |
|---|---|---|
| 12:00 AM ICT | 2:00 AM JST | night |
| 1:00 AM ICT | 3:00 AM JST | night |
| 2:00 AM ICT | 4:00 AM JST | night |
| 3:00 AM ICT | 5:00 AM JST | night |
| 4:00 AM ICT | 6:00 AM JST | — |
| 5:00 AM ICT | 7:00 AM JST | — |
| 6:00 AM ICT | 8:00 AM JST | — |
| 7:00 AM ICT | 9:00 AM JST | — |
| 8:00 AM ICT | 10:00 AM JST | — |
| 9:00 AM ICT | 11:00 AM JST | work hours |
| 10:00 AM ICT | 12:00 PM JST | work hours |
| 11:00 AM ICT | 1:00 PM JST | work hours |
| 12:00 PM ICT | 2:00 PM JST | work hours |
| 1:00 PM ICT | 3:00 PM JST | work hours |
| 2:00 PM ICT | 4:00 PM JST | work hours |
| 3:00 PM ICT | 5:00 PM JST | — |
| 4:00 PM ICT | 6:00 PM JST | — |
| 5:00 PM ICT | 7:00 PM JST | — |
| 6:00 PM ICT | 8:00 PM JST | — |
| 7:00 PM ICT | 9:00 PM JST | — |
| 8:00 PM ICT | 10:00 PM JST | night |
| 9:00 PM ICT | 11:00 PM JST | night |
| 10:00 PM ICT | 12:00 AM JST | next day |
| 11:00 PM ICT | 1:00 AM JST | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Vietnam Time to JST
Add 2 hours to the Vietnam Time time to get JST.
Example: 9:00 AM ICT = 11:00 AM JST.
Across midnight: 10:00 PM ICT = 12:00 AM JST (next day). The date changes, so always check the day as well as the hour.
Time difference between Vietnam Time and JST
The time difference between Vietnam Time and JST is 2 hours all year – JST is ahead of ICT.
Vietnam Time and JST during daylight saving time
- Vietnam Time does not observe daylight saving time; it stays on UTC+7 all year.
- JST does not observe daylight saving time; it stays on UTC+9 all year.
Best time for a meeting between Vietnam Time and JST
Vietnam Time and JST share 6 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:00 PM ICT lands between 11:00 AM and 5:00 PM JST, inside working hours for both.
Vietnam Time to JST FAQ
What is the time difference between Vietnam Time and JST?
JST is 2 hours ahead of ICT all year. 9:00 AM ICT = 11:00 AM JST.
What is 9 AM Vietnam Time in JST?
9:00 AM ICT is 11:00 AM JST.
What is 12 PM (noon) Vietnam Time in JST?
12:00 PM ICT is 2:00 PM JST.
Is JST ahead of or behind Vietnam Time?
JST is 2 hours ahead of ICT, so it is later in JST than in Vietnam Time.
Does Vietnam Time change for daylight saving time?
No. Vietnam Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does JST change for daylight saving time?
No. JST stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Vietnam Time and JST?
Vietnam Time and JST share 6 hours of the 9 AM–5 PM working day. Any time between 9:00 AM and 3:00 PM ICT lands between 11:00 AM and 5:00 PM JST, inside working hours for both.
Related conversions
Convert JST to Vietnam Time
Convert Vietnam Time to other time zones
Convert other time zones to JST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.