JST to WAT Converter
WAT is 8 hours behind JST. 9:00 AM JST = 1:00 AM WAT.
WAT is 8 hours behind JST. To convert JST to WAT, subtract 8 hours from the JST time: 9:00 AM JST = 1:00 AM WAT.
JST (Japan Time) is used in Japan. WAT (West Africa Time) is used in Nigeria, Cameroon, Angola, DR Congo (west).
JST to WAT time conversion table
JST to WAT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| JST | WAT | Day |
|---|---|---|
| 12:00 AM JST | 4:00 PM WAT | previous day |
| 1:00 AM JST | 5:00 PM WAT | previous day |
| 2:00 AM JST | 6:00 PM WAT | previous day |
| 3:00 AM JST | 7:00 PM WAT | previous day |
| 4:00 AM JST | 8:00 PM WAT | previous day |
| 5:00 AM JST | 9:00 PM WAT | previous day |
| 6:00 AM JST | 10:00 PM WAT | previous day |
| 7:00 AM JST | 11:00 PM WAT | previous day |
| 8:00 AM JST | 12:00 AM WAT | night |
| 9:00 AM JST | 1:00 AM WAT | night |
| 10:00 AM JST | 2:00 AM WAT | night |
| 11:00 AM JST | 3:00 AM WAT | night |
| 12:00 PM JST | 4:00 AM WAT | night |
| 1:00 PM JST | 5:00 AM WAT | night |
| 2:00 PM JST | 6:00 AM WAT | — |
| 3:00 PM JST | 7:00 AM WAT | — |
| 4:00 PM JST | 8:00 AM WAT | — |
| 5:00 PM JST | 9:00 AM WAT | — |
| 6:00 PM JST | 10:00 AM WAT | — |
| 7:00 PM JST | 11:00 AM WAT | — |
| 8:00 PM JST | 12:00 PM WAT | — |
| 9:00 PM JST | 1:00 PM WAT | — |
| 10:00 PM JST | 2:00 PM WAT | — |
| 11:00 PM JST | 3:00 PM WAT | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert JST to WAT
Subtract 8 hours from the JST time to get WAT.
Example: 9:00 AM JST = 1:00 AM WAT.
Across midnight: 1:00 AM JST = 5:00 PM WAT (previous day). The date changes, so always check the day as well as the hour.
Time difference between JST and WAT
The time difference between JST and WAT is 8 hours all year – WAT is behind JST.
JST and WAT during daylight saving time
- JST does not observe daylight saving time; it stays on UTC+9 all year.
- WAT does not observe daylight saving time; it stays on UTC+1 all year.
Best time for a meeting between JST and WAT
JST and WAT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM JST, which is 7:00 AM WAT.
JST to WAT FAQ
What is the time difference between JST and WAT?
WAT is 8 hours behind JST all year. 9:00 AM JST = 1:00 AM WAT.
What is 9 AM JST in WAT?
9:00 AM JST is 1:00 AM WAT.
What is 12 PM (noon) JST in WAT?
12:00 PM JST is 4:00 AM WAT.
Is WAT ahead of or behind JST?
WAT is 8 hours behind JST, so it is earlier in WAT 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 WAT change for daylight saving time?
No. WAT 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 WAT?
JST and WAT have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM JST, which is 7:00 AM WAT.
Related conversions
Convert WAT to JST
Convert JST to other time zones
Convert other time zones to WAT
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.