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Convert JST to ET

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

When it's 12:00 PM JST, it's 10:00 PM ET (previous day)

UTC+9 UTC-5 -14 hours

Interactive Converter

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

JST to ET Conversion Table

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

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

Best Meeting Window

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

12a
3a
6a
9a
12p
3p
6p
9p
JST GMT+9
ET EST
Overlap
Everyone available
Most available
Some overlap
Outside work hours
1 12:00 AM -- 1:00 AM JST
JST: 12:00 AM ET: 10:00 AM

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

4.1 / 10
2 1:00 AM -- 2:00 AM JST
JST: 1:00 AM ET: 11:00 AM

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

4.1 / 10
3 2:00 AM -- 3:00 AM JST
JST: 2:00 AM ET: 12:00 PM

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

4.1 / 10

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Time Difference & DST

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

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

Japan Standard Time (JST)

  • Tokyo
  • Osaka
  • Yokohama

Eastern Time (ET)

  • New York
  • Miami
  • Atlanta

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