BNL24Live Time, Dates & Countdowns

JST to EST: Convert Japan Standard Time to Eastern Time

Eastern Time is 13 hours behind Japan Standard Time right now (until Oct 31, 2026); the gap changes to 14 hours when clocks change for daylight saving time. Convert any time below, or use the full JST to EST conversion table.

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

Quick answer

Eastern Time is 13 hours behind Japan Standard Time right now (until Oct 31, 2026); the gap changes to 14 hours when clocks change for daylight saving time. So 12:00 PM JST = 11:00 PM (previous day) EDT at the moment. (Eastern Time is on EDT for daylight saving time right now.)

JST to EST conversion table

JSTEDT when JST is JSTEST when JST is JST
12:00 AM11:00 AM −1 day10:00 AM −1 day
1:00 AM12:00 PM −1 day11:00 AM −1 day
2:00 AM1:00 PM −1 day12:00 PM −1 day
3:00 AM2:00 PM −1 day1:00 PM −1 day
4:00 AM3:00 PM −1 day2:00 PM −1 day
5:00 AM4:00 PM −1 day3:00 PM −1 day
6:00 AM5:00 PM −1 day4:00 PM −1 day
7:00 AM6:00 PM −1 day5:00 PM −1 day
8:00 AM7:00 PM −1 day6:00 PM −1 day
9:00 AM8:00 PM −1 day7:00 PM −1 day
10:00 AM9:00 PM −1 day8:00 PM −1 day
11:00 AM10:00 PM −1 day9:00 PM −1 day
12:00 PM11:00 PM −1 day10:00 PM −1 day
1:00 PM12:00 AM11:00 PM −1 day
2:00 PM1:00 AM12:00 AM
3:00 PM2:00 AM1:00 AM
4:00 PM3:00 AM2:00 AM
5:00 PM4:00 AM3:00 AM
6:00 PM5:00 AM4:00 AM
7:00 PM6:00 AM5:00 AM
8:00 PM7:00 AM6:00 AM
9:00 PM8:00 AM7:00 AM
10:00 PM9:00 AM8:00 AM
11:00 PM10:00 AM9:00 AM

JST and EST difference through 2027

The gap between the two zones on each date range, including daylight saving time changes:

DatesJapan Standard TimeEastern TimeDifference
Sep 30, 2026 – Oct 31, 2026JST (UTC+9)EDT (UTC−4)EST 13 hours behind
Nov 1, 2026 – Mar 13, 2027JST (UTC+9)EST (UTC−5)EST 14 hours behind
Mar 14, 2027 – Nov 6, 2027JST (UTC+9)EDT (UTC−4)EST 13 hours behind
Nov 7, 2027 – Dec 31, 2027JST (UTC+9)EST (UTC−5)EST 14 hours behind

Best time to meet or call

  • When EST is 13 hours behind JST: Standard 9 AM–5 PM working hours don't overlap. The best compromise is usually early morning in Japan Standard Time (8:00 AM–9:00 AM), which is 7:00 PM–8:00 PM in Eastern Time.
  • When EST is 14 hours behind JST: Standard 9 AM–5 PM working hours don't overlap. The best compromise is usually early morning in Japan Standard Time (8:00 AM–9:00 AM), which is 6:00 PM–7:00 PM in Eastern Time.

About Japan Standard Time (JST)

Japan uses JST (UTC+9) all year with no daylight saving time. It's used in Tokyo, Osaka, Kyoto and all of Japan.

About Eastern Time (EST)

The Eastern time zone uses EST (UTC−5) in winter and EDT (UTC−4) during daylight saving time, from the second Sunday in March to the first Sunday in November. It's used in New York, Washington DC, Boston, Atlanta, Miami, Detroit and Toronto.

Frequently asked questions

What time is 12 PM JST in EST?

12:00 PM JST is 11:00 PM (previous day) EDT right now (Sep 30, 2026 to Oct 31, 2026). The answer changes when either zone changes its clocks for daylight saving time.

How many hours ahead or behind is EST from JST?

Currently 13 hours behind JST. During the year the difference is 13 hours behind JST or 14 hours behind JST, depending on daylight saving time. See the table on this page for exact dates.

Does JST change for daylight saving time?

No. Japan uses JST (UTC+9) all year with no daylight saving time.

Does EST change for daylight saving time?

Yes. The Eastern time zone uses EST (UTC−5) in winter and EDT (UTC−4) during daylight saving time, from the second Sunday in March to the first Sunday in November.

What is the best time for a call between JST and EST?

Working hours don't overlap. Early morning in Japan Standard Time or evening in Eastern Time usually works best.

More time zone conversions

Sources

Reviewed by Gurmej Singh, Founder, Divy Digital Hub · Last reviewed: Wednesday, September 30, 2026. All calculations run in your browser. Editorial policy.