JST to EST Time Converter

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

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

Quick Time Conversion

Tokyo
Japan Standard Time
UTC+9
New York
Eastern Standard Time
UTC-5 (EST) / UTC-4 (EDT)

Current Time Right Now

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

Updates live every second

24-Hour Visual Comparison

JST (Tokyo)
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
2pm JST
3pm JST
4pm JST
5pm JST
6pm JST
7pm JST
8pm JST
9pm JST
10pm JST
11pm JST
12a6a12p6p12a
EST (NY)
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
12am EST
1am EST
2am EST
3am EST
4am EST
5am EST
6am EST
7am EST
8am EST
9am EST
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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 JST and EST:

Best Window (JST)
8:00 PM - 11:00 PM
Which is (EST)
6:00 AM - 9:00 AM
Catches EST morning hours
Evening JST, morning EST
Limited but workable window

Pro Tip: Schedule calls at 9:00 PM JST (7:00 AM EST) for optimal overlap - late evening Tokyo, early morning New York

Complete JST to EST Conversion Table

JST TimeEST TimeContext
12:00 AM10:00 AM
Midnight Tokyo
01:00 AM11:00 AM
Late Night JST
02:00 AM12:00 PM
Late Night JST
03:00 AM01:00 PM
Late Night JST
04:00 AM02:00 PM
Late Night JST
05:00 AM03:00 PM
Late Night JST
06:00 AM04:00 PM
Early Morning JST
07:00 AM05:00 PM
Early Morning JST
08:00 AM06:00 PM
Off Hours
09:00 AM07:00 PM
Business Hours JST
10:00 AM08:00 PM
Business Hours JST
11:00 AM09:00 PM
Business Hours JST

Japan Standard Time (JST)

UTC+9
No daylight saving time
Major Cities:
  • • Tokyo
  • • Osaka
  • • Yokohama
Daylight Saving:

Not observed

IANA Identifier:

Asia/Tokyo

Eastern Standard Time (EST)

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

EDT (UTC-4) from March to November

IANA Identifier:

America/New_York

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

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

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

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.

Where Is It Used?

  • All of Japan: Tokyo, Osaka, Yokohama, Nagoya, Sapporo
  • Also uses UTC+9: South Korea, Palau, parts of Indonesia
  • United States: New York, Miami, Atlanta, Boston, Philadelphia
  • Canada: Toronto, Montreal, Ottawa
  • Coverage: Most populous US time zone

Key Facts

  • UTC Offset: UTC+9
  • Region: East Asia
  • Known For: Advanced technology and manufacturing
  • Largest City: Tokyo (14M+ metro: 37M+)
  • Daylight Saving: Not observed
  • UTC Offset: UTC-5 (EST) / UTC-4 (EDT)
  • Region: Eastern North America
  • Known For: Financial and cultural centers
  • Largest City: New York City (8.3M, metro: 20M+)
  • Daylight Saving: Begins 2nd Sunday in March, ends 1st Sunday in November

Quick Reference

Time Difference: EST is 14 hours behind JST (13 hours during EDT)
Consistency: Changes by 1 hour when US observes DST (Japan does not)
Distance: Approximately 10,850 km between Tokyo and New York
UTC Offsets: JST = UTC+9 | EST = UTC-5 / EDT = UTC-4

Frequently Asked Questions

EST (Eastern Standard Time) is 14 hours behind JST (Japan Standard Time). During EDT (Eastern Daylight Time), it is 13 hours behind. For example, when it's 8:00 PM in Tokyo, it's 6:00 AM in New York.

The best time to call from JST to EST is between 8:00 PM and 11:00 PM JST, which corresponds to 6:00 AM to 9:00 AM EST. This late evening in Tokyo catches early morning to mid-morning in the US East Coast.

Yes, the time difference changes by 1 hour. Japan does not observe DST, but the US does. During EST (winter), the difference is 14 hours. During EDT (summer), the difference is 13 hours.

JST cities include Tokyo, Osaka, and Yokohama in Japan. EST cities include New York, Miami, Atlanta, Boston, and Philadelphia in the United States.

The 13-14 hour time difference means there is very limited overlap in business hours. Evening in Tokyo corresponds to early morning in New York, requiring flexibility from one or both parties.

Related Time Converters

EST → JSTJST → PSTJST → UTCEST → PSTJST → ISTEST → GMTJST → GMTView All