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Convert ET to JST

Eastern Time (ET) to Japan Standard Time (JST)

When it's 12:00 PM ET, it's 2:00 AM JST (next day)

UTC-5 UTC+9 +14 hours

Interactive Converter

Pick any time and date to convert between ET and JST.

ET to JST Conversion Table

Full 24-hour comparison. Business hours (9 AM -- 6 PM) are highlighted.

ET JST
12:00 AM 2:00 PM
1:00 AM 3:00 PM
2:00 AM 4:00 PM
3:00 AM 5:00 PM
4:00 AM 6:00 PM
5:00 AM 7:00 PM
6:00 AM 8:00 PM
7:00 AM 9:00 PM
8:00 AM 10:00 PM
9:00 AM 11:00 PM
10:00 AM 12:00 AM +1 day
11:00 AM 1:00 AM +1 day
12:00 PM 2:00 AM +1 day
1:00 PM 3:00 AM +1 day
2:00 PM 4:00 AM +1 day
3:00 PM 5:00 AM +1 day
4:00 PM 6:00 AM +1 day
5:00 PM 7:00 AM +1 day
6:00 PM 8:00 AM +1 day
7:00 PM 9:00 AM +1 day
8:00 PM 10:00 AM +1 day
9:00 PM 11:00 AM +1 day
10:00 PM 12:00 PM +1 day
11:00 PM 1:00 PM +1 day

Best Meeting Window

Top meeting times for teams in ET and JST (9 AM -- 6 PM work hours, 1-hour meeting).

12a
3a
6a
9a
12p
3p
6p
9p
ET EST
JST GMT+9
Overlap
Everyone available
Most available
Some overlap
Outside work hours
1 1:00 AM -- 2:00 AM ET
ET: 1:00 AM JST: 3:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for ET. Note: 1 timezone(s) have a DST transition within 14 days.

4.1 / 10
2 2:00 AM -- 3:00 AM ET
ET: 2:00 AM JST: 4:00 PM

1 of 2 members within working hours. 1 in mid-day range (9 AM–5 PM). Outside work hours for ET. Note: 1 timezone(s) have a DST transition within 14 days.

4.1 / 10
3 3:00 AM -- 4:00 AM ET
ET: 3:00 AM JST: 5:00 PM

1 of 2 members within working hours. Outside work hours for ET. Note: 1 timezone(s) have a DST transition within 14 days.

4.1 / 10

Try the full Meeting Finder with custom work hours →

Time Difference & DST

JST is 14 hours ahead of ET. ET is at UTC-5 and JST is at UTC+9.

Upcoming DST Transitions:

ET Clocks spring forward on March 9, 2026

The conversion table above reflects the current DST state at build time. Use the interactive converter for live, date-specific conversions.

Major Cities

Eastern Time (ET)

  • New York
  • Miami
  • Atlanta

Japan Standard Time (JST)

  • Tokyo
  • Osaka
  • Yokohama

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