Tokyo to Prague
-7hTokyo
JSTSOURCEPrague
CESTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and CEST on the World Map
The map below highlights the JST (Japan Standard Time) and CEST (Central European Time) timezone regions across the globe.
JST – Japan Standard Time
UTC+09:00Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.
- •Japan does not observe daylight saving time.
- •Tokyo is the most populous metropolitan area in the world.
- •The Tokyo Stock Exchange operates from 9:00 AM to 3:00 PM JST.
- •JST is 14 hours ahead of EST and 9 hours ahead of GMT.
CET – Central European Time
UTC+01:00Central European Time (CET) is used across most of Western and Central Europe, 1 hour ahead of UTC.
- •CET covers more European countries than any other time zone.
- •Spain uses CET despite being geographically aligned with GMT/WET.
- •The Frankfurt Stock Exchange, Euronext (Amsterdam/Paris), and Borsa Italiana operate on CET.
- •Over 500 million people live in the CET time zone.
- •France moved to CET during the German occupation in WWII and never switched back.
About Tokyo
WikipediaTokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
The Tokyo subway system moves approximately 8.7 million passengers daily.
About Prague
WikipediaPrague operates on Central European Time (CET/CEST). As Central Europe's tourism and tech hub, Prague coordinates with major EU markets.
Czechia has the highest beer consumption per capita in the world.
Understanding the -7h Gap: Tokyo vs Prague
Tokyo runs on Japan Standard Time (JST) at UTC+09:00. Prague runs on Central European Summer Time (CEST) at UTC+02:00, also currently on daylight saving time. That puts Tokyo 7 hours behind Prague — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in Tokyo it is 2:00 AM in Prague. Midnight in Tokyo is 5:00 PM in Prague.Prague observes daylight saving time while Tokyo does not, so the gap narrows or widens by an hour part of the year.
Tokyo to Prague time conversion table
| Tokyo (JST) | Prague (CEST) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert Tokyo to Prague time
- Scheduling a call from Tokyo to Prague: a 10:00 AM start in Tokyo lands at 3:00 AM in Prague, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Tokyo and Prague are inside the 9-to-5 working day between 4:00 PM and 5:00 PM JST time (9:00 AM–10:00 AM CEST). That is roughly 1 hours of usable overlap.
- Watching a live event or market open: Tokyo viewers need 2:00 AM in Prague to catch a 9:00 AM start there, and 7:00 AM if the event is anchored to Tokyo.
- Always state the zone abbreviation, not just the hour. "3:00 PM JST" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM JST as the recurring meeting window if you work primarily from Tokyo and need Prague colleagues present.
- Prague: Clocks fall back on Sun, Oct 25, 2026. Any meeting series spanning that date will shift by an hour in local time.
About JST (Japan Standard Time)
Japan Standard Time (JST) is the standard time zone for all of Japan. Japan does not observe daylight saving time. JST is 9 hours ahead of UTC and 14 hours ahead of EST. The Tokyo Stock Exchange, the world's third largest by market capitalization, operates on JST. South Korea uses the same offset (KST) but it is a distinct time zone.
About CET (Central European Time)
Central European Time (CET) is the standard time zone for most of Europe, covering over 30 countries from Spain to Poland, and from Norway to Italy. CET is 1 hour ahead of GMT and is used by the European Union's most populous nations. During summer, most CET countries switch to Central European Summer Time (CEST, UTC+02:00). Major European financial markets in Frankfurt, Paris, and Amsterdam operate on CET.
Best time to call between Tokyo and Prague
Both Tokyo and Prague sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM JST, which is 9:00 AM–10:00 AM CEST. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Tokyo and Prague overlap for only 60 minutes (4:00 PM–5:00 PM JST), so meetings have to be booked precisely.
Tokyo is 7 hours behind Prague (JST UTC+09:00 → CEST UTC+02:00). The shared working window is 4:00 PM–5:00 PM JST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Tokyo
Does not observe DST
Prague
☀ Currently in DST
Standard: UTC+01:00 · DST: UTC+02:00
Clocks fall back on Sun, Oct 25, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Tokyo and Prague?
Tokyo (JST, UTC+09:00) is 7 hours behind Prague (CEST, UTC+02:00). The gap is currently -7h.
How do I convert Tokyo time to Prague time?
Add -7h to Tokyo local time. For example, 9:00 AM in Tokyo is 2:00 AM in Prague.
What time is it in Prague right now?
Prague uses CEST at UTC+02:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from Tokyo.
What is the best time to call Prague from Tokyo?
Call between 4:00 PM and 5:00 PM JST — that maps to 9:00 AM–10:00 AM CEST and keeps both parties inside the working day.
Which is behind, Tokyo or Prague?
Tokyo is 7 hours behind Prague. When it is 12:00 PM in Tokyo it is 5:00 AM in Prague.
Do Tokyo and Prague use different time zones?
Tokyo (Japan) uses JST at UTC+09:00, while Prague (Czechia) uses CEST at UTC+02:00. The IANA identifiers are Asia/Tokyo and Europe/Prague.
Does daylight saving time affect the Tokyo–Prague difference?
Yes at the moment: Prague is on daylight saving time and Tokyo is not, so the -7h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Tokyo's time zone?
JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.
Which countries use JST, Tokyo's zone?
JST is used in Japan.
Is there a day difference between Tokyo and Prague?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between Tokyo and Prague?
Prague is -7h from Tokyo.
What timezone is Tokyo in?
Tokyo operates on Japan Standard Time (JST), which is 14 hours ahead of New York. As Asia's largest financial hub, Tokyo trading hours are crucial for global markets.
What timezone is Prague in?
Prague operates on Central European Time (CET/CEST). As Central Europe's tourism and tech hub, Prague coordinates with major EU markets.
What are the business hours in Tokyo?
Standard business hours in Tokyo are 9:00 AM - 6:00 PM JST.
What are the business hours in Prague?
Standard business hours in Prague are 8:00 AM - 5:00 PM CET.
What is the best time to schedule a call between Tokyo and Prague?
The best overlap for a call is when both cities are in business hours. Tokyo works 9:00 AM - 6:00 PM JST and Prague works 8:00 AM - 5:00 PM CET (-7h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Tokyo and Prague?
Tokyo uses JPY (¥) while Prague uses CZK (Kč). Check current exchange rates when planning travel or business between these cities.
How do Tokyo and Prague compare in size?
Tokyo has a population of approximately 14 million (metro: 37.4 million), while Prague has approximately 1.3 million (metro: 2.7 million).
What are the major landmarks in Tokyo and Prague?
Tokyo is known for Tokyo Tower, Shibuya Crossing, Senso-ji Temple. Prague is famous for Prague Castle, Charles Bridge, Old Town Square.
Do Tokyo and Prague have stock exchanges?
Yes. Tokyo has the TSE (Tokyo Stock Exchange) and Prague has the PSE (Prague Stock Exchange). The -7h time difference affects trading hour overlaps between these exchanges.
Which countries use JST (Japan Standard Time)?
JST is used in Japan.
Does JST observe daylight saving time?
No, JST does not observe daylight saving time and remains at UTC+09:00 year-round.
What are some interesting facts about JST?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
Which cities are in the CET timezone?
Major cities in the CET timezone include Paris, Berlin, Rome, Madrid, Amsterdam, Brussels, Vienna, Warsaw.
What is the UTC offset for CET?
Central European Time (CET) is at UTC+01:00. During daylight saving time, it shifts to CEST.
What should I know about the CET timezone?
CET covers more European countries than any other time zone. Spain uses CET despite being geographically aligned with GMT/WET.
When is it midnight in Tokyo, what time is it in Prague?
When it is 12:00 AM (midnight) in Tokyo (JST), it is -7h later in Prague (CET).
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