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JST to WET Converter

WET is 9 hours behind JST

Current JST Time
--:--:-- --
Asia/Tokyo
Current WET Time
--:--:-- --
Europe/Lisbon
Time Diff
9h behind
JST
UTC+9
WET
UTC+0

JST to WET Conversion Table

Green rows indicate standard business hours (9 AM – 5 PM) in WET

JST to WET time conversion table showing all 24 hours
JST WET
12:00 AM 3:00 PM -1d
1:00 AM 4:00 PM -1d
2:00 AM 5:00 PM -1d
3:00 AM 6:00 PM -1d
4:00 AM 7:00 PM -1d
5:00 AM 8:00 PM -1d
6:00 AM 9:00 PM -1d
7:00 AM 10:00 PM -1d
8:00 AM 11:00 PM -1d
9:00 AM 12:00 AM
10:00 AM 1:00 AM
11:00 AM 2:00 AM
12:00 PM 3:00 AM
1:00 PM 4:00 AM
2:00 PM 5:00 AM
3:00 PM 6:00 AM
4:00 PM 7:00 AM
5:00 PM 8:00 AM
6:00 PM 9:00 AM
7:00 PM 10:00 AM
8:00 PM 11:00 AM
9:00 PM 12:00 PM
10:00 PM 1:00 PM
11:00 PM 2:00 PM

Converting Japan Standard Time to Western European Time

Japan Standard Time (JST) and Western European Time (WET) are separated by a 9 hours time difference. WET is 9 hours behind JST. JST is UTC+9, used in Japan, while WET is UTC+0, used in Portugal, United Kingdom, Ireland.

When converting from JST to WET, the key reference points to remember are: 9:00 AM JST equals 12:00 AM WET, 12:00 PM noon JST equals 3:00 AM WET, and 5:00 PM JST equals 8:00 AM WET. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across JST and WET

For professionals scheduling meetings between JST and WET, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 9 hours difference, the window of overlap may be limited, making early morning or late evening calls necessary for one party. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.

Daylight Saving Time Considerations

JST does not observe Daylight Saving Time, maintaining UTC+9 year-round. WET observes DST, switching to WEST (UTC+1). During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.

Frequently Asked Questions

What is the time difference between JST and WET?
Western European Time (WET) is 9 hours behind Japan Standard Time (JST). When it is 12:00 PM noon in JST, it is 3:00 AM in WET.
How do I convert JST to WET?
To convert JST to WET, subtract 9 hours from the JST time. For example, 9:00 AM JST is 12:00 AM WET. Use the conversion table above for a quick reference of all 24 hours.
Does JST or WET observe Daylight Saving Time?
JST does not observe Daylight Saving Time. WET observes DST, switching to WEST (UTC+1). During DST transitions, the time difference between these zones may change by 1 hour.
What is the best time to schedule a call between JST and WET?
The best time to schedule a call between JST and WET is during overlapping business hours. If you are in JST, try scheduling between 9:00 AM and 5:00 PM your time, then check the conversion table above to see what that corresponds to in WET.
Is JST ahead or behind WET?
JST (UTC+9) is 9 hours ahead of WET (UTC+0). JST corresponds to the IANA time zone Asia/Tokyo, while WET corresponds to Europe/Lisbon.

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Time Zone Info