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