Herramientas Intosoft

Athens to JST

+6h

Athens

EESTSOURCE
Greece · UTC+03:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

JST

JST
UTC+09:00
HH06
:
MM00
  
18:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
Athens
JST
12:00 AM
6:00 AM
2:00 AM
8:00 AM
4:00 AM
10:00 AM
6:00 AM
12:00 PM
8:00 AM
2:00 PM
10:00 AM
4:00 PM
12:00 PM
6:00 PM
2:00 PM
8:00 PM
4:00 PM
10:00 PM
6:00 PM
12:00 AM+1
8:00 PM
2:00 AM+1
10:00 PM
4:00 AM+1

Green 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.

EESTJSTCairoAthensHelsinkiBucharestTokyoOsakaYokohamaNagoya
EEST Zone
→
JST Zone

Explore all world timezones interactively →

EET – Eastern European Time

UTC+02:00

Eastern European Time (EET) is used in Eastern Europe, the Middle East, and northeastern Africa, 2 hours ahead of UTC.

Countries in EET
FinlandGreeceRomaniaBulgariaUkraineEgyptIsraelLebanonJordanLithuaniaLatviaEstoniaMoldovaLibyaSyriaPalestineCyprus
Major Cities in EET
CairoAthensHelsinkiBucharestKyivSofiaJerusalemTel AvivBeirutVilniusRigaTallinn
Key Facts about EET
  • •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.
Daylight Saving:Yes – switches to EEST
Learn more about EET on Wikipedia

JST – Japan Standard Time

UTC+09:00

Japan Standard Time (JST) is the time zone for Japan, 9 hours ahead of UTC.

Countries in JST
Japan
Major Cities in JST
TokyoOsakaYokohamaNagoyaSapporoKyotoKobeFukuokaHiroshima
Key Facts about JST
  • •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.
Daylight Saving:No – UTC+09:00 year-round
Learn more about JST on Wikipedia

About Athens

Wikipedia

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.

Population:664,000
Metro:3.8 million
Business Hours:9:00 AM - 5:00 PM EET
Currency:EUR (€)
Stock Exchange:ATHEX (Athens Stock Exchange)
Key Landmarks
AcropolisParthenonAncient AgoraPlakaNational Archaeological Museum
Did You Know?

The Acropolis has been standing for nearly 2,500 years.

Learn more about EEST timezone →

Athens vs JST: Offsets, DST and Best Call Times

Athens runs on Eastern European Summer Time (EEST) at UTC+03:00, currently observing daylight saving time. JST runs on Japan Standard Time (JST) at UTC+09:00. That puts Athens 6 hours ahead of JST — a difference of +6h at the current offsets.

In practice, when it is 9:00 AM in Athens it is 3:00 PM in JST. Midnight in Athens is 6:00 AM in JST.Athens observes daylight saving time while JST does not, so the gap narrows or widens by an hour part of the year.

Athens to JST time conversion table

Athens (EEST)JST (JST)Day
12:00 AM6:00 AMsame day
6:00 AM12:00 PMsame day
7:00 AM1:00 PMsame day
8:00 AM2:00 PMsame day
9:00 AM3:00 PMsame day
12:00 PM6:00 PMsame day
3:00 PM9:00 PMsame day
5:00 PM11:00 PMsame day
6:00 PM12:00 AMnext day
9:00 PM3:00 AMnext day

Why people convert Athens to JST time

  • Scheduling a call from Athens to JST: a 10:00 AM start in Athens lands at 4:00 PM in JST, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both Athens and JST 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.
  • Coordinating a Athens-based team with JST contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.
  • 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 Athens and need JST colleagues present.
  • Athens: 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 Athens and JST

Both Athens and JST 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

Athens and JST overlap for about 2 hours during the working day — enough for meetings if you avoid the edges of the window.

Athens is 6 hours ahead of JST (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

Athens

☀ Currently in DST

Standard: UTC+02:00 · DST: UTC+03:00

Clocks fall back on Sun, Oct 25, 2026

JST

Does not observe DST

Frequently Asked Questions

What is the time difference between Athens and JST?

Athens (EEST, UTC+03:00) is 6 hours ahead of JST (JST, UTC+09:00). The gap is currently +6h.

How do I convert Athens time to JST time?

Add +6h to Athens local time. For example, 9:00 AM in Athens is 3:00 PM in JST.

What time is it in JST right now?

JST 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 Athens.

What is the best time to call JST from Athens?

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, Athens or JST?

Athens is 6 hours ahead of JST. When it is 12:00 PM in Athens it is 6:00 PM in JST.

Do Athens and JST use different time zones?

Athens (Greece) uses EEST at UTC+03:00, while JST uses JST at UTC+09:00. The IANA identifiers are Europe/Athens and Asia/Tokyo.

Does daylight saving time affect the Athens–JST difference?

Yes at the moment: Athens is on daylight saving time and JST is not, so the +6h gap shifts by an hour when exactly one of them changes clocks.

Which other cities share Athens's time zone?

EEST also covers Cairo, Athens, Helsinki, Bucharest, Kyiv, Sofia, Jerusalem, Tel Aviv and 4 more.

Which countries use EEST, Athens's zone?

EEST is used in Finland, Greece, Romania, Bulgaria, Ukraine, Egypt, Israel, Lebanon and 9 more.

Is there a day difference between Athens and JST?

Not normally. The +6h gap only pushes the date over for late-evening times.

What is the time difference between Athens and JST?

JST is +6h from Athens.

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 timezone is JST in?

JST operates on its local timezone.

What are the business hours in Athens?

Standard business hours in Athens are 9:00 AM - 5:00 PM EET.

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 Athens, what time is it in JST?

When it is 12:00 AM (midnight) in Athens (EET), it is +6h later in JST (JST).