Question 1

What is the time difference between JST and CET?

Accepted Answer

Central European Time (CET) is 8 hours behind Japan Standard Time (JST). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert JST to CET?

Accepted Answer

To convert JST to CET, subtract 8 hours from the JST time. For example, 9:00 AM JST is 1:00 AM CET.

Question 3

What time is it in CET when it's noon in JST?

Accepted Answer

When it's 12:00 PM (noon) in JST, it's 4:00 AM in CET. CET is 8 hours behind JST.

Question 4

How many hours behind is CET from JST?

Accepted Answer

CET is 8 hours behind JST. This means when it's 9:00 AM in JST, it's 1:00 AM in CET.

Question 5

Is CET ahead or behind JST?

Accepted Answer

CET is behind JST by 8 hours. Clocks in CET show an earlier time than JST.

Question 6

Does JST observe daylight saving time?

Accepted Answer

No, Japan Standard Time does not observe daylight saving time. The UTC offset remains the same year-round.

Question 7

Does CET observe daylight saving time?

Accepted Answer

Yes, Central European Time observes daylight saving time. During DST, the abbreviation changes to CEST and clocks move forward by one hour.

Question 8

What is the best time to call from JST to CET?

Accepted Answer

The best time for a call between JST and CET is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in CET?

Accepted Answer

Daylight saving time transitions vary by year and region. Central European Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between JST and CET may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do JST and CET ever have the same time?

Accepted Answer

No, JST and CET never show the same time. However, because CET observes daylight saving time and JST does not, the time difference between them changes by one hour during DST transitions.

Japan Standard Time (JST)	Period	Central European Time (CET)	Period
12:00 AM	Night	4:00 PM-1d	Business
1:00 AM	Night	5:00 PM-1d	Business
2:00 AM	Night	6:00 PM-1d	Evening
3:00 AM	Night	7:00 PM-1d	Evening
4:00 AM	Night	8:00 PM-1d	Evening
5:00 AM	Night	9:00 PM-1d	Evening
6:00 AM	Morning	10:00 PM-1d	Evening
7:00 AM	Morning	11:00 PM-1d	Evening
8:00 AM	Morning	12:00 AM	Night
9:00 AM	Business	1:00 AM	Night
10:00 AM	Business	2:00 AM	Night
11:00 AM	Business	3:00 AM	Night
12:00 PM	Business	4:00 AM	Night
1:00 PM	Business	5:00 AM	Night
2:00 PM	Business	6:00 AM	Morning
3:00 PM	Business	7:00 AM	Morning
4:00 PM	Business	8:00 AM	Morning
5:00 PM	Business	9:00 AM	Business
6:00 PM	Evening	10:00 AM	Business
7:00 PM	Evening	11:00 AM	Business
8:00 PM	Evening	12:00 PM	Business
9:00 PM	Evening	1:00 PM	Business
10:00 PM	Evening	2:00 PM	Business
11:00 PM	Evening	3:00 PM	Business

JST to CET Converter

Timezone Details

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JST to CET Conversion Table

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