World Timezones

EST to JST Converter

Compare JST to EST instead

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Offset

13 hours

Eastern Time (EST) is currently behind Japan Standard Time (JST).

EST: UTC-4

JST: UTC+9

Eastern Time is currently observing daylight saving time; Japan Standard Time is not.

When to schedule

Standard business hours (9 AM–5 PM, Mon–Fri) in Eastern Time and Japan Standard Time don't overlap on the same weekday. Japan Standard Time is 13 hours ahead of Eastern Time.

Realistic options: hand off asynchronously, or stretch one side by an hour to catch the other team at the start or end of their day.

This window may shift by an hour during daylight saving time.

About these zones

Eastern Time is also known as EST, or EDT.

Japan Standard Time is also known as JST.

Eastern Time and Japan Standard Time are approximately 6,750 miles apart.

Quick reference

Full 24-hour conversion table.

ESTJSTDay
12:00 am1:00 pm-1 day
1:00 am2:00 pm-1 day
2:00 am3:00 pm-1 day
3:00 am4:00 pm-1 day
4:00 am5:00 pm-1 day
5:00 am6:00 pm-1 day
6:00 am7:00 pm-1 day
7:00 am8:00 pm-1 day
8:00 am9:00 pm-1 day
9:00 am10:00 pm-1 day
10:00 am11:00 pm-1 day
11:00 am12:00 amSame day
12:00 pm1:00 amSame day
1:00 pm2:00 amSame day
2:00 pm3:00 amSame day
3:00 pm4:00 amSame day
4:00 pm5:00 amSame day
5:00 pm6:00 amSame day
6:00 pm7:00 amSame day
7:00 pm8:00 amSame day
8:00 pm9:00 amSame day
9:00 pm10:00 amSame day
10:00 pm11:00 amSame day
11:00 pm12:00 pmSame day

Daylight saving time

Eastern Time observes daylight saving time; Japan Standard Time does not. The offset between the two zones changes when Eastern Time transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.

Daylight today

Eastern Time
Sunrise
5:31 AM
Sunset
8:18 PM
Day length
14h 47m
Japan Standard Time
Sunrise
4:30 AM
Sunset
6:49 PM
Day length
14h 19m

Daylight overlap: 18m — 5:31 AM–5:49 AM in Eastern Time (6:31 PM–6:49 PM in Japan Standard Time). Both locations are in daylight during this window.

Cities in these zones

Airports in these zones

Airports in Eastern Time

  • EWR
  • HPN
  • JFK
  • LGA
  • TEB
  • ILG
  • PHL
  • TTN
  • CLT
  • USA

Airports in Japan Standard Time

  • HND
  • NRT
  • ITM
  • KIX
  • UKB
  • NGO
  • NKM
  • CTS
  • OKD
  • FUK

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