The short answer
10pm in West Africa Standard Time is 6am in Japan Standard Time on the next day.
West Africa Standard Time is 8 hours behind Japan Standard Time. That's early morning in Japan Standard Time, before the typical working day begins.
West Africa Standard Time☾
10pm
Japan Standard Time☀
6am
next day
Right now
12:23pmWAT · UTC+01:00 · Sat, Jun 27
8:23pmJST · UTC+09:00 · Sat, Jun 27
Read across to convert
West Africa Standard Time
WAT · UTC+01:00
Japan Standard Time
JST · UTC+09:00
Pinned10pmWest Africa Standard Time=6amJapan Standard Time · Sun (next day)
12amSat
8am
1am
9am
WORK2am
10am
WORK3am
11am
WORK4am
12pm
WORK5am
1pm
WORK6am
2pm
WORK7am
3pm
WORK8am
4pm
WORK9am
WORK5pm
10am
WORK6pm
11am
WORK7pm
NOW
12pm
WORK8pm
1pm
WORK9pm
2pm
WORK10pm
3pm
WORK11pm
4pm
WORK12amSun ·+1d
5pm
1amSun ·+1d
6pm
2amSun ·+1d
7pm
3amSun ·+1d
8pm
4amSun ·+1d
9pm
5amSun ·+1d
PINNED
10pm
6amSun ·+1d
11pm
7amSun ·+1d
daylightnightworking hoursoverlap
Best time to meet=
Closest workable window
Just outside the working window — early on one side, late on the other.
West Africa Standard Time
7am–11am
Japan Standard Time
3pm–7pm
Popular conversions
Quick reference.
9amWest Africa Standard Time=5pmJapan Standard Time
12pmWest Africa Standard Time=8pmJapan Standard Time
3pmWest Africa Standard Time=11pmJapan Standard Time
5pmWest Africa Standard Time=1amJapan Standard Time · next day
9pmWest Africa Standard Time=5amJapan Standard Time · next day
In context
What each side covers.
West Africa Standard Time
12:23pmWAT · UTC+01:00
Cities on this clock
Japan Standard Time
8:23pmJST · UTC+09:00
Related converters
Other popular pairs.
Pacific Time
4:23am
India Standard Time
4:53pm
Pacific Time to India12 hours 30 minutes behind
Eastern Standard Time
7:23am
Central European Time
1:23pm
Eastern Time to Central Europe6 hours behind
India Standard Time
4:53pm
Eastern Standard Time
7:23am
India to Eastern Time9 hours 30 minutes ahead
Greenwich Mean Time
12:23pm
India Standard Time
4:53pm
London to India4 hours 30 minutes behind
Pacific Standard Time
4:23am
Eastern Standard Time
7:23am
Pacific to Eastern Time3 hours behind
Central European Time
1:23pm
India Standard Time
4:53pm
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between West Africa Standard Time and Japan Standard Time. Can't find what you need? Email [email protected].
- What is the time difference between West Africa Standard Time and Japan Standard Time?
- West Africa Standard Time is 8 hours behind Japan Standard Time right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 10pm in West Africa Standard Time, what time is it in Japan Standard Time?
- 10pm in West Africa Standard Time is 6am in Japan Standard Time on the next day. That's early morning in Japan Standard Time, before the typical working day begins. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between West Africa Standard Time and Japan Standard Time?
- There's no comfortable 9-to-5 overlap between West Africa Standard Time and Japan Standard Time — they sit on opposite sides of the planet's working day. Plan for an early or late call on one side, or hand work off asynchronously.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — WAT and JST — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.