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JST to Ukraine

-6h

JST

JSTSOURCE
UTC+09:00
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Ukraine

EEST
UTC+03:00☀ DST active
HH06
:
MM00
  
06:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
JST
Ukraine
12:00 AM
6:00 PM-1
2:00 AM
8:00 PM-1
4:00 AM
10:00 PM-1
6:00 AM
12:00 AM
8:00 AM
2:00 AM
10:00 AM
4:00 AM
12:00 PM
6:00 AM
2:00 PM
8:00 AM
4:00 PM
10:00 AM
6:00 PM
12:00 PM
8:00 PM
2:00 PM
10:00 PM
4:00 PM

Green 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.

JSTEESTTokyoOsakaYokohamaNagoyaCairoAthensHelsinkiBucharest
JST Zone
→
EEST Zone

Explore all world timezones interactively →

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

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 vs Ukraine: Offsets, DST and Best Call Times

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

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

JST to Ukraine time conversion table

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

Why people convert JST to Ukraine time

  • Scheduling a call from JST to Ukraine: a 10:00 AM start in JST lands at 4:00 AM in Ukraine, so you can confirm the slot without doing the arithmetic yourself.
  • Finding shared working hours: both JST and Ukraine 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.
  • Booking travel or deliveries: tracking Ukraine local time against JST keeps pickup windows and arrival estimates honest across the -6h offset.
  • 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 JST and need Ukraine colleagues present.
  • Ukraine: 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 JST and Ukraine

Both JST and Ukraine 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

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

JST is 6 hours behind Ukraine (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

JST

Does not observe DST

Ukraine

☀ Currently in DST

Standard: UTC+02:00 · DST: UTC+03:00

Clocks fall back on Sun, Oct 25, 2026

Frequently Asked Questions

What is the time difference between JST and Ukraine?

JST (JST, UTC+09:00) is 6 hours behind Ukraine (EEST, UTC+03:00). The gap is currently -6h.

How do I convert JST time to Ukraine time?

Add -6h to JST local time. For example, 9:00 AM in JST is 3:00 AM in Ukraine.

What time is it in Ukraine right now?

Ukraine 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 JST.

What is the best time to call Ukraine from JST?

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, JST or Ukraine?

JST is 6 hours behind Ukraine. When it is 12:00 PM in JST it is 6:00 AM in Ukraine.

Do JST and Ukraine use different time zones?

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

Does daylight saving time affect the JST–Ukraine difference?

Yes at the moment: Ukraine 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 JST's time zone?

JST also covers Tokyo, Osaka, Yokohama, Nagoya, Sapporo, Kyoto, Kobe, Fukuoka and 1 more.

Which countries use JST, JST's zone?

JST is used in Japan.

Is there a day difference between JST and Ukraine?

Not normally. The -6h gap only pushes the date over the previous day.

What is the time difference between JST and Ukraine?

Ukraine is -6h from JST.

What timezone is JST in?

JST operates on its local timezone.

What timezone is Ukraine in?

Ukraine operates on its local timezone.

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 JST, what time is it in Ukraine?

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