The short answer
Japan Standard Time is 8 hours ahead of Western European Time.
Japan Standard Time☀
10:55:33am
JST · UTC+09:00 · Tue, Jul 21
Western European Time☾
2:55:33am
WEST · UTC+01:00 · Tue, Jul 21
Read across to convert
Japan Standard Time
JST · UTC+09:00
Western European Time
WEST · UTC+01:00
Click any row to pin that hour across both zones.
12amTue
4pmMon ·−1d
WORK1am
5pmMon ·−1d
2am
6pmMon ·−1d
3am
7pmMon ·−1d
4am
8pmMon ·−1d
5am
9pmMon ·−1d
6am
10pmMon ·−1d
7am
11pmMon ·−1d
8am
12amTue
9am
WORK1am
NOW
10am
WORK2am
11am
WORK3am
12pm
WORK4am
1pm
WORK5am
2pm
WORK6am
3pm
WORK7am
4pm
WORK8am
5pm
9am
WORK6pm
10am
WORK7pm
11am
WORK8pm
12pm
WORK9pm
1pm
WORK10pm
2pm
WORK11pm
3pm
WORKdaylightnightworking hoursoverlap
Best time to meet=
Closest workable window
Just outside the working window — early on one side, late on the other.
Japan Standard Time
3pm–7pm
Western European Time
7am–11am
Popular conversions
Quick reference.
9amJapan Standard Time=1amWestern European Time
12pmJapan Standard Time=4amWestern European Time
3pmJapan Standard Time=7amWestern European Time
5pmJapan Standard Time=9amWestern European Time
9pmJapan Standard Time=1pmWestern European Time
In context
What each side covers.
Japan Standard Time
10:55amJST · UTC+09:00
Western European Time
2:55amWEST · UTC+01:00
Related converters
Other popular pairs.
Pacific Time
6:55pm
India Standard Time
7:25am
Pacific Time to India12 hours 30 minutes behind
Eastern Daylight Time
9:55pm
Central European Time
3:55am
Eastern Time to Central Europe6 hours behind
India Standard Time
7:25am
Eastern Daylight Time
9:55pm
India to Eastern Time9 hours 30 minutes ahead
British Summer Time
2:55am
India Standard Time
7:25am
London to India4 hours 30 minutes behind
Pacific Daylight Time
6:55pm
Eastern Daylight Time
9:55pm
Pacific to Eastern Time3 hours behind
Central European Time
3:55am
India Standard Time
7:25am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Japan Standard Time and Western European Time. Can't find what you need? Email [email protected].
- What is the time difference between Japan Standard Time and Western European Time?
- Japan Standard Time is 8 hours ahead of Western European 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 9am in Japan Standard Time, what time is it in Western European Time?
- 9am in Japan Standard Time is 1am in Western European Time. Use the hour-by-hour table above to read any other time across — find the row and read the matching cell in the other column.
- What's the best time for a call between Japan Standard Time and Western European Time?
- There's no comfortable 9-to-5 overlap between Japan Standard Time and Western European 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 — JST and WEST — 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.