Compare CET vs JST

See the current time gap between Central European Time and Japan Standard Time, including DST changes and practical meeting overlap.

JST vs CET
CEST/CET
CET Daylight TimeGMT +02Sat, Apr 11
12AM3AM6AM9AM12PM3PM6PM9PM
CET automatically adjusted to CEST time zone, that is in use
JST
JST Standard TimeGMT +09Sat, Apr 11
12AM3AM6AM9AM12PM3PM6PM9PM
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CET to JST Difference

CET is UTC+1 and JST is UTC+9, so the standard time difference is 8 hours. Use this page to quickly compare both time zones side by side.

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DST Changes Matter

CET observes daylight saving time while JST does not, so the time gap can change seasonally. We track these shifts automatically using the IANA timezone database.

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Best Meeting Time Window

Find workable overlap hours with visual comparison tables and scheduling tools. Export meetings with ICS, add to Google Calendar, or share through Gmail.

How to Find the Time Difference Between CET and JST

  1. Open the CET vs JST page: Visit https://www.xconvert.com/time-converter/cet-vs-jst to load a comparison grid with CET and JST already shown side by side. This is useful when you are scheduling a supplier call between Germany and Japan, coordinating a manufacturing update with teams in Central Europe and Tokyo, or checking whether a late-afternoon meeting in Europe will land after business hours in Japan.

  2. Add comparison cities: Click + Add City and search for cities that matter to your workflow, such as Paris, Berlin, or Tokyo for automotive, electronics, and trading coordination. Adding multiple rows helps global teams compare CET working hours against Japan’s business day, which is especially useful for companies handling exports, logistics, finance, and regional customer support.

  3. Select a time range on the grid: Click Select to enter selection mode, then drag across the CET row to highlight a meeting window in purple; you can resize it with the left or right handles or move the whole block by dragging the center. For example, dragging from 9:00 CET to 12:00 CET shows 17:00 JST to 20:00 JST, which quickly confirms that a European morning meeting reaches Japan in the late afternoon and evening, often making it suitable for same-day handoffs.

  4. Export and share the result: Once a range is selected, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is practical when a Europe-based account manager needs to send a confirmed meeting slot to a Tokyo client, or when a distributed product team wants everyone to receive the same meeting in their own local calendar automatically.

CET vs JST Offset Explained

CET, or Central European Time, is UTC+1, while JST, or Japan Standard Time, is UTC+9. That means JST is 8 hours ahead of CET, so when it is 9:00 CET, it is 17:00 JST, and when it is 15:00 CET, it is 23:00 JST.

This 8-hour gap has a direct effect on business coordination. A standard European workday overlaps only partially with Japan’s workday, so the most practical shared windows are usually European mornings and early afternoons, which map to Japan’s late afternoons and evenings; for example, 12:00 CET = 20:00 JST and 18:00 CET = 2:00 JST the next day, showing how quickly late meetings in Europe spill into overnight hours in Japan.

Seasonally, CET is specifically the standard-time abbreviation used across much of Europe, and its daylight saving counterpart is CEST. Japan uses JST year-round and does not observe daylight saving time, so the CET-to-JST relationship changes when Europe switches away from standard time and begins using CEST; if you are arranging recurring meetings across Europe and Japan, it is important to confirm whether your European participants are currently on CET or CEST before sending invitations.

CET is used across a large part of Europe and nearby regions, including Austria, Belgium, France, Germany, Italy, Netherlands, Norway, Poland, Spain, Sweden, Switzerland, Tunisia, and many others. JST is used in Japan, so this comparison is especially relevant for automotive supply chains, semiconductor and electronics manufacturing, luxury goods, shipping, and financial operations linking cities such as Berlin, Paris, Milan, and Tokyo.

Frequently Asked Questions

What is the time difference between CET and JST?

JST is 8 hours ahead of CET. In practical terms, that means a morning meeting in Central Europe lands in the late afternoon in Japan, such as 9:00 CET = 17:00 JST and 12:00 CET = 20:00 JST.

Is Japan always ahead of Central European Time?

Yes, JST is ahead of CET by 8 hours in this comparison. Japan uses JST year-round, so if you are comparing specifically against CET, Japan remains ahead; for example, 15:00 CET = 23:00 JST, which is already close to midnight in Japan.

Does JST have daylight saving time?

No, JST does not observe DST. This makes Japan’s clock stable throughout the year, which is helpful for recurring meetings with Tokyo, Osaka, or other Japan-based teams because only the European side may shift seasonally between CET and CEST.

Why does the CET vs JST difference matter for business calls?

The 8-hour gap limits same-day overlap between Central Europe and Japan, so scheduling matters for sales calls, engineering handoffs, and logistics updates. For example, 9:00 CET = 17:00 JST works for end-of-day coordination in Japan, while 18:00 CET = 2:00 JST the next day is generally unsuitable for normal business communication.

What are good meeting times between CET and JST?

The most workable times are usually in the CET morning to early afternoon, because those hours convert into Japan’s late afternoon and evening. The examples show this clearly: 12:00 CET = 20:00 JST is still possible for some teams, while 15:00 CET = 23:00 JST is already too late for most standard office schedules in Japan.

Which countries use CET and which use JST?

CET is used in Albania, Algeria, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Tunisia, and Vatican. JST is used in Japan, so this comparison is commonly used for Europe-Japan trade, travel planning, and multinational project scheduling.

How do I convert CET to JST quickly?

Use the 8-hour lead as your reference and compare examples directly on the grid. A few anchor points make conversion faster: 9:00 CET = 17:00 JST, 12:00 CET = 20:00 JST, 15:00 CET = 23:00 JST, and 18:00 CET = 2:00 JST the next day.

What happens when Europe is not on CET?

CET is the standard-time label, and its daylight saving counterpart is CEST. If your colleagues in France, Germany, Italy, or Spain are observing daylight saving time, they may not be on CET at that moment, so recurring meetings with Japan should be reviewed carefully to avoid sending invitations one hour off from the intended European local time.