EST to JST
+14hEST
ESTSOURCEJST
JSTGreen 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.
EST – Eastern Standard Time
UTC-05:00Eastern Standard Time (EST) is the time zone for the eastern United States and Canada, 5 hours behind UTC.
- •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.
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.
Everything You Need to Know About EST and JST Time
EST runs on Eastern Standard Time (EST) at UTC-05:00. JST runs on Japan Standard Time (JST) at UTC+09:00. That puts EST 14 hours ahead of JST — a difference of +14h at the current offsets.
In practice, when it is 9:00 AM in EST it is 11:00 PM in JST. Midnight in EST is 2:00 PM in JST. Neither zone observes daylight saving time, so the offset between them stays constant all year.
EST to JST time conversion table
| EST (EST) | JST (JST) | Day |
|---|---|---|
| 12:00 AM | 2:00 PM | same day |
| 6:00 AM | 8:00 PM | same day |
| 7:00 AM | 9:00 PM | same day |
| 8:00 AM | 10:00 PM | same day |
| 9:00 AM | 11:00 PM | same day |
| 12:00 PM | 2:00 AM | next day |
| 3:00 PM | 5:00 AM | next day |
| 5:00 PM | 7:00 AM | next day |
| 6:00 PM | 8:00 AM | next day |
| 9:00 PM | 11:00 AM | next day |
Why people convert EST to JST time
- Scheduling a call from EST to JST: a 10:00 AM start in EST lands at 12:00 AM in JST the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +14h gap: EST and JST 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 JST is 11:00 PM in EST.
- Coordinating a EST-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 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 JST 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 JST
With a +14h offset there is no overlap inside a normal 9 AM – 5 PM day. JST 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 JST 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 JST (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
JST
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 EST and JST?
EST (EST, UTC-05:00) is 14 hours ahead of JST (JST, UTC+09:00). The gap is currently +14h.
How do I convert EST time to JST time?
Add +14h to EST local time. For example, 9:00 AM in EST is 11:00 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 +14h offset from EST.
What is the best time to call JST 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 JST.
Which is ahead, EST or JST?
EST is 14 hours ahead of JST. When it is 12:00 PM in EST it is 2:00 AM in JST.
Does daylight saving time affect the EST–JST difference?
Neither zone observes daylight saving time, so the +14h offset between EST and JST 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 JST?
Sometimes. The +14h gap is large enough that 8:00 PM or later in EST already falls on the next day in JST.
What is the time difference between EST and JST?
JST is +14h from EST.
What timezone is EST in?
EST operates on its local timezone.
What timezone is JST in?
JST operates on its local timezone.
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 JST?
When it is 12:00 AM (midnight) in EST (EST), it is +14h later in JST (JST).
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See every conversion from EST →·See every conversion from JST →