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