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EST to Osaka

+14h

EST

ESTSOURCE
UTC-04:00☀ DST active
HH12
:
MM00
  
12:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM

Osaka

JST
Japan · UTC+09:00
HH02
:
MM00
  
(next day)02:00 (24-hr)
12 AM6 AM12 PM6 PM12 AM
EST
Osaka
12:00 AM
1:00 PM
2:00 AM
3:00 PM
4:00 AM
5:00 PM
6:00 AM
7:00 PM
8:00 AM
9:00 PM
10:00 AM
11:00 PM
12:00 PM
1:00 AM+1
2:00 PM
3:00 AM+1
4:00 PM
5:00 AM+1
6:00 PM
7:00 AM+1
8:00 PM
9:00 AM+1
10:00 PM
11:00 AM+1

Green rows indicate typical business hours (9 AM - 5 PM)

EST and JST on the World Map

The map below highlights the EST (Eastern Standard Time) and JST (Japan Standard Time) timezone regions across the globe.

ESTJSTNew York CityWashington D.C.MiamiTorontoTokyoOsakaYokohamaNagoya
EST Zone
→
JST Zone

Explore all world timezones interactively →

EST – Eastern Standard Time

UTC-05:00

Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.

Countries in EST
United States (Eastern)Canada (Ontario, Quebec)Mexico (Quintana Roo)PanamaJamaicaCayman IslandsHaitiBahamasTurks and CaicosColombiaPeruEcuador
Major Cities in EST
New York CityWashington D.C.MiamiTorontoPhiladelphiaAtlantaBostonMontrealDetroitCharlotteIndianapolisOttawaTampaOrlandoClevelandPittsburgh
Key Facts about EST
  • •EST is the most widely used time zone in the United States by population.
  • •The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.
  • •23 US states are fully or partially in the Eastern Time Zone.
  • •EST was established by the Standard Time Act of 1918.
  • •Over 47% of the US population lives in the Eastern Time Zone.
Daylight Saving:Yes – switches to EDT
Learn more about EST 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 Osaka

Wikipedia

Osaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.

Population:2.8 million
Metro:19 million
Business Hours:9:00 AM - 6:00 PM JST
Currency:JPY (¥)
Stock Exchange:OSE (Osaka Exchange - derivatives)
Key Landmarks
Osaka CastleDotonboriUniversal Studios JapanShitennoji TempleUmeda Sky Building
Did You Know?

Osaka Castle was originally built in 1583 and has been rebuilt several times.

Learn more about JST timezone →

Everything You Need to Know About EST and Osaka Time

EST runs on Eastern Standard Time (EST) at UTC-05:00. Osaka runs on Japan Standard Time (JST) at UTC+09:00. That puts EST 14 hours ahead of Osaka — a difference of +14h at the current offsets.

In practice, when it is 9:00 AM in EST it is 11:00 PM in Osaka. Midnight in EST is 2:00 PM in Osaka. Neither zone observes daylight saving time, so the offset between them stays constant all year.

EST to Osaka time conversion table

EST (EST)Osaka (JST)Day
12:00 AM2:00 PMsame day
6:00 AM8:00 PMsame day
7:00 AM9:00 PMsame day
8:00 AM10:00 PMsame day
9:00 AM11:00 PMsame day
12:00 PM2:00 AMnext day
3:00 PM5:00 AMnext day
5:00 PM7:00 AMnext day
6:00 PM8:00 AMnext day
9:00 PM11:00 AMnext day

Why people convert EST to Osaka time

  • Scheduling a call from EST to Osaka: a 10:00 AM start in EST lands at 12:00 AM in Osaka the next day, so you can confirm the slot without doing the arithmetic yourself.
  • Handling a +14h gap: EST and Osaka have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Osaka is 11:00 PM in EST.
  • Coordinating a EST-based team with Osaka 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 EST" is unambiguous; "3 PM" across a +14h gap is not.
  • With a +14h gap there is no shared 9-to-5 window, so alternate the early start: one week EST takes the early slot, the next week Osaka does.

About EST (Eastern Standard Time)

Eastern Standard Time (EST) is observed during the winter months in the eastern part of North America. It covers 23 US states and parts of Canada including Ontario and Quebec. EST is the most populous time zone in the United States, home to major financial centers like New York City and global organizations headquartered in Washington D.C. During daylight saving time (March–November), clocks shift to Eastern Daylight Time (EDT, UTC-04:00). The time zone also covers parts of the Caribbean and Central America including Panama, Jamaica, and the Cayman Islands.

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 EST and Osaka

With a +14h offset there is no overlap inside a normal 9 AM – 5 PM day. Osaka opens at 9:00 AM JST, which is 11:00 PM in EST, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

EST and Osaka have no shared working hours because of the +14h gap. Teams need to alternate early starts or rely on asynchronous handovers.

EST is 14 hours ahead of Osaka (EST UTC-05:00 → JST UTC+09:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

EST

☀ Currently in DST

Standard: UTC-05:00 · DST: UTC-04:00

Clocks fall back on Sun, Nov 1, 2026

Osaka

Does not observe DST

Frequently Asked Questions

What is the time difference between EST and Osaka?

EST (EST, UTC-05:00) is 14 hours ahead of Osaka (JST, UTC+09:00). The gap is currently +14h.

How do I convert EST time to Osaka time?

Add +14h to EST local time. For example, 9:00 AM in EST is 11:00 PM in Osaka.

What time is it in Osaka right now?

Osaka 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 +14h offset from EST.

What is the best time to call Osaka from EST?

There is no shared working-hours window because of the +14h gap. The closest option is 1:00 PM in EST, which is 3:00 AM in Osaka.

Which is ahead, EST or Osaka?

EST is 14 hours ahead of Osaka. When it is 12:00 PM in EST it is 2:00 AM in Osaka.

Do EST and Osaka use different time zones?

EST uses EST at UTC-05:00, while Osaka (Japan) uses JST at UTC+09:00. The IANA identifiers are America/New_York and Asia/Tokyo.

Does daylight saving time affect the EST–Osaka difference?

Neither zone observes daylight saving time, so the +14h offset between EST and Osaka is fixed all year.

Which other cities share EST's time zone?

EST also covers New York City, Washington D.C., Miami, Toronto, Philadelphia, Atlanta, Boston, Montreal and 8 more.

Which countries use EST, EST's zone?

EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, Haiti, Bahamas and 4 more.

Is there a day difference between EST and Osaka?

Sometimes. The +14h gap is large enough that 8:00 PM or later in EST already falls on the next day in Osaka.

What is the time difference between EST and Osaka?

Osaka is +14h from EST.

What timezone is EST in?

EST operates on its local timezone.

What timezone is Osaka in?

Osaka operates on Japan Standard Time (JST), UTC+9. As Japan's second economic center and a manufacturing hub, Osaka shares business hours with Tokyo.

What are the business hours in Osaka?

Standard business hours in Osaka are 9:00 AM - 6:00 PM JST.

Which countries use EST (Eastern Standard Time)?

EST is used in United States (Eastern), Canada (Ontario, Quebec), Mexico (Quintana Roo), Panama, Jamaica, Cayman Islands, and 6 more countries.

Does EST observe daylight saving time?

Yes, EST switches to EDT during summer months.

What are some interesting facts about EST?

EST is the most widely used time zone in the United States by population. The New York Stock Exchange (NYSE) and NASDAQ operate on Eastern Time, opening at 9:30 AM EST.

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 EST, what time is it in Osaka?

When it is 12:00 AM (midnight) in EST (EST), it is +14h later in Osaka (JST).