EST to JST Time Converter

Convert Eastern Standard Time to Japan Standard Time - Quick & Accurate

New York (EST)
Tokyo (JST)
JST is 14 hours ahead of EST (13 during EDT)

Quick Time Conversion

New York
Eastern Standard Time
UTC-5 (EST) / UTC-4 (EDT)
Tokyo
Japan Standard Time
UTC+9 (no DST)

Current Time Right Now

Eastern (EST/EDT)
Japan (JST)

Updates live every second

24-Hour Visual Comparison

EST (NY)
12am EST
1am EST
2am EST
3am EST
4am EST
5am EST
6am EST
7am EST
8am EST
9am EST
10am EST
11am EST
12pm EST
1pm EST
2pm EST
3pm EST
4pm EST
5pm EST
6pm EST
7pm EST
8pm EST
9pm EST
10pm EST
11pm EST
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JST (Tokyo)
2pm JST
3pm JST
4pm JST
5pm JST
6pm JST
7pm JST
8pm JST
9pm JST
10pm JST
11pm JST
12am JST
1am JST
2am JST
3am JST
4am JST
5am JST
6am JST
7am JST
8am JST
9am JST
10am JST
11am JST
12pm JST
1pm JST
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Business Hours (9AM-5PM)
Evening (5PM-9PM)
Night (9PM-6AM)

Hover over any hour to see corresponding time in both zones

Best Time for Meeting/Call

To schedule a meeting between EST and JST:

Best Window (EST)
6:00 PM - 11:00 PM
Which is (JST)
8:00 AM - 1:00 PM
(next day)
Japan in morning business hours
EST participants call in evening
Minimizes impact on both schedules

Pro Tip: Schedule calls between 7:00 PM - 9:00 PM EST to reach Tokyo during their optimal morning hours (9:00 AM - 11:00 AM JST). Alternatively, 6:00 AM - 8:00 AM EST reaches Tokyo in the evening (8:00 PM - 10:00 PM JST).

Complete EST to JST Conversion Table

EST TimeJST TimeContext
12:00 AM02:00 PM
Midnight EST
01:00 AM03:00 PM
Late Night EST
02:00 AM04:00 PM
Late Night EST
03:00 AM05:00 PM
Late Night EST
04:00 AM06:00 PM
Late Night EST
05:00 AM07:00 PM
Late Night EST
06:00 AM08:00 PM
Early Morning EST
07:00 AM09:00 PM
Standard Time
08:00 AM10:00 PM
Work Starts EST
09:00 AM11:00 PM
Morning - Next Day JST
10:00 AM12:00 AM
Morning - Next Day JST
11:00 AM01:00 AM
Morning - Next Day JST

Eastern Standard Time (EST)

UTC-5
UTC-4 during EDT
Major Cities:
  • • New York
  • • Miami
  • • Atlanta
  • • Boston
  • • Philadelphia
Daylight Saving:

EDT (UTC-4) from March to November

IANA Identifier:

America/New_York

Japan Standard Time (JST)

UTC+9
No Daylight Saving Time
Major Cities:
  • • Tokyo
  • • Osaka
  • • Yokohama
  • • Nagoya
  • • Sapporo
Daylight Saving:

Not observed

IANA Identifier:

Asia/Tokyo

Eastern Standard Time (EST) vs Japan Standard Time (JST)

Eastern Standard Time (EST)Japan Standard Time (JST)

Eastern Standard Time (EST) is 5 hours behind Coordinated Universal Time (UTC-5). During daylight saving time, the region observes Eastern Daylight Time (EDT), which is UTC-4.

Japan Standard Time (JST) is 9 hours ahead of Coordinated Universal Time (UTC+9). Japan does not observe daylight saving time, maintaining the same offset year-round.

Geographic Coverage

United States

  • New York: New York City, Buffalo, Rochester, Albany
  • Florida: Miami, Tampa, Orlando, Jacksonville
  • Pennsylvania: Philadelphia, Pittsburgh
  • Ohio: Columbus, Cleveland, Cincinnati
  • Georgia: Atlanta, Augusta, Savannah
  • North Carolina: Charlotte, Raleigh, Greensboro
  • Michigan: Detroit, Grand Rapids (most of state)
  • Massachusetts: Boston, Worcester, Cambridge
  • Virginia: Virginia Beach, Norfolk, Richmond
  • Plus: New Jersey, Connecticut, Maryland, South Carolina, Tennessee (eastern portions)

Canada

  • Ontario: Toronto, Ottawa, Mississauga, Hamilton
  • Quebec: Montreal, Quebec City, Laval (most of province)
  • Nunavut: Iqaluit and eastern portions

Caribbean & Latin America

  • Bahamas: Nassau
  • Jamaica: Kingston, Montego Bay
  • Haiti: Port-au-Prince
  • Panama: Panama City
  • Colombia: Bogotá, Medellín, Cali
  • Peru: Lima, Arequipa, Cusco
  • Ecuador: Quito, Guayaquil

All of Japan

  • Tokyo: Capital and largest metropolitan area (38M+)
  • Osaka: Second largest metro area, commercial hub
  • Yokohama: Major port city near Tokyo
  • Nagoya: Industrial and automotive center
  • Sapporo: Largest city in Hokkaido
  • Fukuoka: Major city in Kyushu
  • Kobe: International port city
  • Kyoto: Historic cultural capital
  • Kawasaki: Between Tokyo and Yokohama
  • Saitama: Part of Greater Tokyo Area

Other Territories

  • South Korea: Seoul, Busan, Incheon (uses KST, same as JST)
  • Palau: Pacific island nation
  • East Timor: Parts of Indonesia (Papua)

Key Facts

  • UTC Offset: UTC-5 (EST) / UTC-4 (EDT)
  • Region: Most populous time zone in North America
  • Known For: Major financial and cultural centers
  • Largest Cities: New York City (8.3M), Toronto (2.9M), Philadelphia (1.6M)
  • Coverage: Approximately 45% of US population
  • Daylight Saving: Begins 2nd Sunday in March, ends 1st Sunday in November
  • UTC Offset: UTC+9 (year-round)
  • Region: All of Japan and some neighboring areas
  • Known For: Technology, manufacturing, cultural heritage
  • Largest City: Tokyo (38M+ metro area - world's largest)
  • Population: Over 125 million people
  • Daylight Saving: Not observed since 1952
  • Business Culture: Known for punctuality and precision

Quick Reference

Time Difference: JST is 14 hours ahead of EST (13 hours ahead during EDT)
Date Line: JST is almost always one calendar day ahead of EST
Distance: Approximately 6,700 miles (10,800 km) across the Pacific
UTC Offsets: EST = UTC-5, EDT = UTC-4 | JST = UTC+9 (constant)
DST Impact: Time difference varies by 1 hour between winter (14h) and summer (13h)

Frequently Asked Questions

EST (Eastern Standard Time) is 14 hours behind JST (Japan Standard Time). During EDT (Eastern Daylight Time), the difference is 13 hours. When it's 12:00 PM in New York (EST), it's 2:00 AM the next day in Tokyo (JST).

The best time to call from EST to JST is between 6:00 PM and 11:00 PM EST, which corresponds to 8:00 AM to 1:00 PM JST the next day. This ensures you're reaching Japan during their business hours.

Yes, the time difference varies. Japan does not observe Daylight Saving Time, while the US East Coast does. During EST (winter), JST is 14 hours ahead. During EDT (summer), JST is 13 hours ahead.

EST cities include New York, Miami, Atlanta, Boston, and Philadelphia. JST cities include Tokyo, Osaka, Yokohama, Nagoya, and Sapporo.

The large time difference (13-14 hours) means one party is always outside standard business hours. When it's working hours in New York, it's nighttime in Tokyo, and vice versa. Early mornings or late evenings are typically necessary for live meetings.

Related Time Converters

JST → ESTEST → UTCJST → UTCEST → PSTJST → PSTEST → GMTJST → KSTView All