Tokyo to Athens
-6hTokyo
JSTSOURCEAthens
EESTGreen rows indicate typical business hours (9 AM - 5 PM)
JST and EEST on the World Map
The map below highlights the JST (Japan Standard Time) and EEST (Eastern 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.
EET – Eastern European Time
UTC+02:00Eastern European Time (EET) is used in Eastern Europe, the Middle East, and northeastern Africa, 2 hours ahead of UTC.
- •EET covers countries across three continents: Europe, Asia, and Africa.
- •Cairo is the most populous city in the EET zone.
- •Turkey used to be on EET but permanently moved to UTC+03:00 in 2016.
- •Finland, the Baltic states, and Greece all use EET.
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 Athens
WikipediaAthens operates on Eastern European Time (EET/EEST), UTC+2. As a gateway between Europe and the Middle East, Athens time bridges Western and Eastern markets.
The Acropolis has been standing for nearly 2,500 years.
Everything You Need to Know About Tokyo and Athens Time
Tokyo runs on Japan Standard Time (JST) at UTC+09:00. Athens runs on Eastern European Summer Time (EEST) at UTC+03:00, also currently on daylight saving time. That puts Tokyo 6 hours behind Athens — a difference of -6h at the current offsets.
In practice, when it is 9:00 AM in Tokyo it is 3:00 AM in Athens. Midnight in Tokyo is 6:00 PM in Athens.Athens observes daylight saving time while Tokyo does not, so the gap narrows or widens by an hour part of the year.
Tokyo to Athens time conversion table
| Tokyo (JST) | Athens (EEST) | Day |
|---|---|---|
| 12:00 AM | 6:00 PM | previous day |
| 6:00 AM | 12:00 AM | same day |
| 7:00 AM | 1:00 AM | same day |
| 8:00 AM | 2:00 AM | same day |
| 9:00 AM | 3:00 AM | same day |
| 12:00 PM | 6:00 AM | same day |
| 3:00 PM | 9:00 AM | same day |
| 5:00 PM | 11:00 AM | same day |
| 6:00 PM | 12:00 PM | same day |
| 9:00 PM | 3:00 PM | same day |
Why people convert Tokyo to Athens time
- Scheduling a call from Tokyo to Athens: a 10:00 AM start in Tokyo lands at 4:00 AM in Athens, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Tokyo and Athens are inside the 9-to-5 working day between 3:00 PM and 5:00 PM JST time (9:00 AM–11:00 AM EEST). That is roughly 2 hours of usable overlap.
- Watching a live event or market open: Tokyo viewers need 3:00 AM in Athens to catch a 9:00 AM start there, and 6:00 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 -6h gap is not.
- Block 3:00 PM–5:00 PM JST as the recurring meeting window if you work primarily from Tokyo and need Athens colleagues present.
- Athens: 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 EET (Eastern European Time)
Eastern European Time (EET) covers a wide geographical area including Eastern Europe (Finland, Greece, Romania, Bulgaria, Ukraine), the Middle East (Israel, Lebanon, Jordan), and northeastern Africa (Egypt, Libya). During summer, most EET countries switch to Eastern European Summer Time (EEST, UTC+03:00). Turkey permanently moved to UTC+03:00 in 2016, effectively leaving EET.
Best time to call between Tokyo and Athens
Both Tokyo and Athens sit inside the 9 AM – 5 PM working day between 3:00 PM–5:00 PM JST, which is 9:00 AM–11:00 AM EEST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Tokyo and Athens overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Tokyo is 6 hours behind Athens (JST UTC+09:00 → EEST UTC+03:00). The shared working window is 3:00 PM–5:00 PM JST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Tokyo
Does not observe DST
Athens
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
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 Athens?
Tokyo (JST, UTC+09:00) is 6 hours behind Athens (EEST, UTC+03:00). The gap is currently -6h.
How do I convert Tokyo time to Athens time?
Add -6h to Tokyo local time. For example, 9:00 AM in Tokyo is 3:00 AM in Athens.
What time is it in Athens right now?
Athens uses EEST at UTC+03:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -6h offset from Tokyo.
What is the best time to call Athens from Tokyo?
Call between 3:00 PM and 5:00 PM JST — that maps to 9:00 AM–11:00 AM EEST and keeps both parties inside the working day.
Which is behind, Tokyo or Athens?
Tokyo is 6 hours behind Athens. When it is 12:00 PM in Tokyo it is 6:00 AM in Athens.
Do Tokyo and Athens use different time zones?
Tokyo (Japan) uses JST at UTC+09:00, while Athens (Greece) uses EEST at UTC+03:00. The IANA identifiers are Asia/Tokyo and Europe/Athens.
Does daylight saving time affect the Tokyo–Athens difference?
Yes at the moment: Athens is on daylight saving time and Tokyo is not, so the -6h 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 Athens?
Not normally. The -6h gap only pushes the date over the previous day.
What is the time difference between Tokyo and Athens?
Athens is -6h 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 Athens in?
Athens operates on Eastern European Time (EET/EEST), UTC+2. As a gateway between Europe and the Middle East, Athens time bridges Western and Eastern 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 Athens?
Standard business hours in Athens are 9:00 AM - 5:00 PM EET.
What is the best time to schedule a call between Tokyo and Athens?
The best overlap for a call is when both cities are in business hours. Tokyo works 9:00 AM - 6:00 PM JST and Athens works 9:00 AM - 5:00 PM EET (-6h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Tokyo and Athens?
Tokyo uses JPY (¥) while Athens uses EUR (€). Check current exchange rates when planning travel or business between these cities.
How do Tokyo and Athens compare in size?
Tokyo has a population of approximately 14 million (metro: 37.4 million), while Athens has approximately 664,000 (metro: 3.8 million).
What are the major landmarks in Tokyo and Athens?
Tokyo is known for Tokyo Tower, Shibuya Crossing, Senso-ji Temple. Athens is famous for Acropolis, Parthenon, Ancient Agora.
Do Tokyo and Athens have stock exchanges?
Yes. Tokyo has the TSE (Tokyo Stock Exchange) and Athens has the ATHEX (Athens Stock Exchange). The -6h 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 EET timezone?
Major cities in the EET timezone include Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv.
What is the UTC offset for EET?
Eastern European Time (EET) is at UTC+02:00. During daylight saving time, it shifts to EEST.
What should I know about the EET timezone?
EET covers countries across three continents: Europe, Asia, and Africa. Cairo is the most populous city in the EET zone.
When is it midnight in Tokyo, what time is it in Athens?
When it is 12:00 AM (midnight) in Tokyo (JST), it is -6h later in Athens (EET).
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