Greece to Japan
+6hGreece
EESTSOURCEJapan
JSTGreen rows indicate typical business hours (9 AM - 5 PM)
EEST and JST on the World Map
The map below highlights the EEST (Eastern European Time) and JST (Japan Standard Time) timezone regions across the globe.
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.
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.
Comparing Time Zones: Greece and Japan
Greece runs on Eastern European Summer Time (EEST) at UTC+03:00, currently observing daylight saving time. Japan runs on Japan Standard Time (JST) at UTC+09:00. That puts Greece 6 hours ahead of Japan — a difference of +6h at the current offsets.
In practice, when it is 9:00 AM in Greece it is 3:00 PM in Japan. Midnight in Greece is 6:00 AM in Japan.Greece observes daylight saving time while Japan does not, so the gap narrows or widens by an hour part of the year.
Greece to Japan time conversion table
| Greece (EEST) | Japan (JST) | Day |
|---|---|---|
| 12:00 AM | 6:00 AM | same day |
| 6:00 AM | 12:00 PM | same day |
| 7:00 AM | 1:00 PM | same day |
| 8:00 AM | 2:00 PM | same day |
| 9:00 AM | 3:00 PM | same day |
| 12:00 PM | 6:00 PM | same day |
| 3:00 PM | 9:00 PM | same day |
| 5:00 PM | 11:00 PM | same day |
| 6:00 PM | 12:00 AM | next day |
| 9:00 PM | 3:00 AM | next day |
Why people convert Greece to Japan time
- Scheduling a call from Greece to Japan: a 10:00 AM start in Greece lands at 4:00 PM in Japan, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Greece and Japan are inside the 9-to-5 working day between 9:00 AM and 11:00 AM EEST time (3:00 PM–5:00 PM JST). That is roughly 2 hours of usable overlap.
- Booking travel or deliveries: tracking Japan local time against Greece keeps pickup windows and arrival estimates honest across the +6h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM EEST" is unambiguous; "3 PM" across a +6h gap is not.
- Block 9:00 AM–11:00 AM EEST as the recurring meeting window if you work primarily from Greece and need Japan colleagues present.
- Greece: Clocks fall back on Sun, Oct 25, 2026. Re-check this page after that date because the offset changes and so does the +6h gap.
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.
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.
Best time to call between Greece and Japan
Both Greece and Japan sit inside the 9 AM – 5 PM working day between 9:00 AM–11:00 AM EEST, which is 3:00 PM–5:00 PM JST. That gives roughly 2 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Greece and Japan overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.
Greece is 6 hours ahead of Japan (EEST UTC+03:00 → JST UTC+09:00). The shared working window is 9:00 AM–11:00 AM EEST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Greece
☀ Currently in DST
Standard: UTC+02:00 · DST: UTC+03:00
Clocks fall back on Sun, Oct 25, 2026
Japan
Does not observe DST
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 Greece and Japan?
Greece (EEST, UTC+03:00) is 6 hours ahead of Japan (JST, UTC+09:00). The gap is currently +6h.
How do I convert Greece time to Japan time?
Add +6h to Greece local time. For example, 9:00 AM in Greece is 3:00 PM in Japan.
What time is it in Japan right now?
Japan uses JST at UTC+09:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +6h offset from Greece.
What is the best time to call Japan from Greece?
Call between 9:00 AM and 11:00 AM EEST — that maps to 3:00 PM–5:00 PM JST and keeps both parties inside the working day.
Which is ahead, Greece or Japan?
Greece is 6 hours ahead of Japan. When it is 12:00 PM in Greece it is 6:00 PM in Japan.
Do Greece and Japan use different time zones?
Greece (Greece) uses EEST at UTC+03:00, while Japan (Japan) uses JST at UTC+09:00. The IANA identifiers are Europe/Athens and Asia/Tokyo.
Does daylight saving time affect the Greece–Japan difference?
Yes at the moment: Greece is on daylight saving time and Japan is not, so the +6h gap shifts by an hour when exactly one of them changes clocks.
Which other cities share Greece's time zone?
EEST also covers Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv and 4 more.
Which countries use EEST, Greece's zone?
EEST is used in Finland, Greece, Romania, Bulgaria, Ukraine, Egypt, Israel, Lebanon and 9 more.
Is there a day difference between Greece and Japan?
Not normally. The +6h gap only pushes the date over for late-evening times.
What is the time difference between Greece and Japan?
Japan is +6h from Greece.
What timezone is Greece in?
Greece operates on its local timezone.
What timezone is Japan in?
Japan operates on its local timezone.
Which countries use EET (Eastern European Time)?
EET is used in Finland, Greece, Romania, Bulgaria, Ukraine, Egypt, and 11 more countries.
Does EET observe daylight saving time?
Yes, EET switches to EEST during summer months.
What are some interesting facts about EET?
EET covers countries across three continents: Europe, Asia, and Africa. Cairo is the most populous city in the EET zone.
Which cities are in the JST timezone?
Major cities in the JST timezone include Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka.
What is the UTC offset for JST?
Japan Standard Time (JST) is at UTC+09:00.
What should I know about the JST timezone?
Japan does not observe daylight saving time. Tokyo is the most populous metropolitan area in the world.
When is it midnight in Greece, what time is it in Japan?
When it is 12:00 AM (midnight) in Greece (EET), it is +6h later in Japan (JST).
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