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CET to JST Time Converter

Use this CET to JST time converter to compare Central Europe and Japan time instantly. JST is 8 hours ahead of CET, so 9:00 AM CET becomes 5:00 PM JST and 5:00 PM CET becomes 1:00 AM (next day) JST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.

CET Central European Time
...
JST Japan Standard Time
...
Select a time to convert

CET to JST Quick Facts

Use this CET to JST converter to compare Central Europe and Japan time, check the 8 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Good overlap starts around 9:00 AM CET / 5:00 PM JST.

Time Difference
Japan Standard Time is 8 hours ahead of Central European Time
Useful when deadlines, handoffs, or calls cross workday boundaries.
Best Call Window
Best overlap starts around 9:00 AM CET and 5:00 PM JST.
Common Use Cases
Useful for remote teams, customer support windows, travel planning, webinars, and same-day deadline handoffs.

How to Convert CET to JST

Converting between Central European Time and Japan Standard Time means accounting for a 8 hours gap — here's how to do it in under 10 seconds with no sign-up.

Enter Your CET Time

Pick the date and time in Central European Time (UTC +1) that you want to convert. Hit "Now" to load the current CET time instantly, or use "+1h" to step forward and compare.

Read the JST Result

The equivalent Japan Standard Time (UTC +9) time appears immediately. Since JST is 8 hours ahead of CET, most daytime conversions stay on the same calendar day.

Copy or Fine-Tune

Click "Copy Time" to grab the JST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring Central Europe–Japan calls.

Why Choose Our CET to JST Converter

Align CET–JST Meetings Instantly

When someone in Central Europe suggests 9:00 AM CET, that's 5:00 PM JST. This converter shows the overlap so both sides agree on one slot — no back-and-forth.

Spot Date-Line Shifts at a Glance

Late-night CET times can land on a different date in JST because of the 8 hours offset. The converter labels "next day" or "previous day" next to the result so you never send a message a day early or miss a deadline.

Handles DST Transitions Automatically

Daylight Saving adjustments can widen or narrow the CET–JST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.

Never Miss a CET-Timed Event

Product launches, sports matches, and webinars are often announced in CET. Convert the event time to JST so you know exactly when to tune in — with a 8 hours difference, a morning event in Central Europe falls during work hours in Japan.

CET to JST Time Conversion Chart

Quick-reference conversion table covering every hour of the day at a glance.

Complete 24-Hour Conversion

Central European Time to Japan Standard Time full day schedule

12:00 AM
CET
→
8:00 AM
JST
1:00 AM
CET
→
9:00 AM
JST
2:00 AM
CET
→
10:00 AM
JST
3:00 AM
CET
→
11:00 AM
JST
4:00 AM
CET
→
12:00 PM
JST
5:00 AM
CET
→
1:00 PM
JST
6:00 AM
CET
→
2:00 PM
JST
7:00 AM
CET
→
3:00 PM
JST
8:00 AM
CET
→
4:00 PM
JST
9:00 AM
CET
→
5:00 PM
JST
10:00 AM
CET
→
6:00 PM
JST
11:00 AM
CET
→
7:00 PM
JST
12:00 PM
CET
→
8:00 PM
JST
1:00 PM
CET
→
9:00 PM
JST
2:00 PM
CET
→
10:00 PM
JST
3:00 PM
CET
→
11:00 PM
JST
4:00 PM
CET
→
12:00 AM
JST
(next day)
5:00 PM
CET
→
1:00 AM
JST
(next day)
6:00 PM
CET
→
2:00 AM
JST
(next day)
7:00 PM
CET
→
3:00 AM
JST
(next day)
8:00 PM
CET
→
4:00 AM
JST
(next day)
9:00 PM
CET
→
5:00 AM
JST
(next day)
10:00 PM
CET
→
6:00 AM
JST
(next day)
11:00 PM
CET
→
7:00 AM
JST
(next day)
Reviewed by iFormat Time Tools Team Last updated

Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.

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CET to JST FAQ

Quick answers about daylight saving time, date changes, business-hour overlap, and the most common scheduling questions between Central European Time and Japan Standard Time.

What is the time difference between CET and JST?

JST is 8 hours ahead of CET. CET is UTC +1:00 and JST is UTC +9:00 relative to UTC. CET observes daylight saving but JST does not, so the gap between them shifts by one hour twice a year. In CET winter the difference is 8 hours; in summer it changes by an hour.

When can CET and JST have business-hour overlap?

Aim for 09:00–09:00 CET, which is 17:00–17:00 JST. Both sides stay inside standard business hours.

Does CET or JST observe daylight saving time?

CET observes daylight saving but JST does not, so the gap between them shifts by one hour twice a year. In CET winter the difference is 8 hours; in summer it changes by an hour.

How do I quickly convert CET to JST?

To convert CET to JST, add 8 hours to the CET time. Example: if it's 10:00 AM CET, it's 18:00 JST that day. The live converter at the top of this page handles DST automatically.

Popular CET Time Converters

Explore more CET conversions for major business and travel corridors. Each page includes a 24-hour chart, time difference summary, and meeting overlap guidance.

Convert Other Time Zones to JST

Find the time difference from any major zone into Japan Standard Time. Use these pages when scheduling with Japan from a different region.

🇯🇵 Swap direction — JST to CET Converter