What is the time difference between JST and CET?

Central European Time (CET) is 7 hours behind Japan Standard Time (JST). JST uses a UTC offset of UTC+9, while CET uses UTC+2. For example, when it's 9:00 AM in JST, it's 2:00 AM in CET. Note that this difference may shift by one hour during daylight saving time transitions if CET observes DST. Use the conversion table above to see the exact time for each hour of the day.

How do I convert JST to CET?

To convert JST to CET, subtract 7 hours from the JST time. For example, 9:00 AM JST is 2:00 AM CET, and 5:00 PM JST is 10:00 AM CET. Keep in mind that during daylight saving time transitions, the offset between these timezones may temporarily change by one hour. You can also use the interactive converter above for quick, accurate results.

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

When it's 12:00 PM (noon) in JST, it's 5:00 AM in CET. This is because CET is 7 hours behind JST. Similarly, when it's 6:00 PM in JST, it's 11:00 AM in CET. During daylight saving time transitions, these times may shift by one hour, so always verify the current offset. The color-coded conversion table above shows every hour mapped between both timezones.

How many hours behind is CET from JST?

CET is 7 hours behind JST. This means when it's 9:00 AM in JST, it's 2:00 AM in CET, and when it's midnight in JST, it's 5:00 PM in CET. The exact difference can vary by one hour during daylight saving time transitions. The conversion table above provides a complete hour-by-hour mapping.

Is CET ahead or behind JST?

CET is behind JST by 7 hours. Clocks in CET show an earlier time than JST, meaning the day starts later in CET relative to JST. For example, when it's noon in JST, it's still 5:00 AM in CET. This gap may change by one hour during DST transitions.

Does JST observe daylight saving time?

No, Japan Standard Time does not observe daylight saving time. The UTC offset of UTC+9 remains the same year-round, making time conversions from JST more predictable. Countries and regions in this timezone keep their clocks unchanged regardless of the season.

Does CET observe daylight saving time?

Yes, Central European Time observes daylight saving time. During DST, the abbreviation changes to CEST and clocks move forward by one hour, typically in spring. Clocks then fall back in autumn, returning to standard CET time. This means the UTC offset for CET shifts between two values depending on the season. Check our DST change calendar for exact transition dates that may affect your JST to CET conversions.

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

The best time for a call between JST and CET is during overlapping business hours (9 AM – 5 PM) in both timezones. To reach someone in CET during their work day, call between 4:00 PM and 12:00 AM your JST time. Avoid calling too early or late, as the 7 hours difference means your evening could be their early morning. Check the color-coded conversion table above — green hours indicate business hours in both zones, making it easy to find the ideal time.

When does daylight saving time change in CET?

Daylight saving time transitions vary by year and region. Central European Time observes DST, which typically shifts clocks forward by one hour in spring ("spring forward") and back in fall ("fall back"). During these transition periods, the time difference between JST and CET may temporarily change by one hour, which can cause confusion for scheduled meetings or calls. It's important to double-check your conversions around transition dates, especially if the two timezones switch on different dates. Check our DST change calendar for exact transition dates in the current year.

Do JST and CET ever have the same time?

No, JST and CET never show the same time because their base UTC offsets are different. However, because CET observes daylight saving time and JST does not, the time difference between them changes by one hour during DST transitions. This means the gap narrows or widens depending on the season, but the two clocks never align. Always verify the current offset around DST transition dates to avoid scheduling errors.

JST to CET Converter

Convert Japan Standard Time to Central European Time. See the hour-by-hour conversion table below.

Timezone Details

Japan Standard Time

12:46 AM

Saturday, April 4, 2026

JST (UTC+09:00)

Central European Time

5:46 PM

Friday, April 3, 2026

CEST (UTC+02:00)

Difference: -7 hours

JST DST: No

CEST DST: Yes (CEST)

24-Hour Overview

JST — 24-hour overview

12a12a

3a3a

6a6a

9a9a

10a

11a

12p12p

3p3p

6p6p

9p9p

10p

11p

NightMorningBusinessEvening

CEST — 24-hour overview

5p5p

8p8p

10p

11p11p

12a

2a2a

5a5a

8a8a

10a

11a11a

12p

2p2p

NightMorningBusinessEvening

Frequently Asked Questions

Related Conversions

CET to JST EST to CET CET to EST EST to JST JST to EST PST to JST JST to PST PST to CET CET to PST

Cities in These Timezones

JST Cities

Tokyo Osaka Fukuoka

CET Cities

Berlin Hamburg Munich Frankfurt

More Tools

Compare JST & CET Plan a Meeting (JST & CET)See on Map

Learn More

How Time Zones Work Understanding DST Timezone Abbreviations

External Resources

Japan Standard Time on Wikipedia Central European Time on Wikipedia IANA Time Zone Database