What time is it in Eastern Time when it's noon in Japan Standard Time?

When it's 12:00 PM JST, it's 10:00 PM EST/EDT.

What's the best time to schedule a call between JST and EST/EDT?

Standard business hours (08:00–18:00) in JST and EST/EDT do not overlap. You'll need to pick early-morning or after-hours time on at least one side, or split into two calls.

Does the time difference between JST and EST/EDT change during the year?

Yes — at least one zone observes daylight saving time, so the gap shifts during the year. Upcoming transitions: Mar 9, 2026, Nov 2, 2026.

Does this converter handle daylight saving time?

Yes. All calculations use the IANA time zone database (via Luxon), so DST transitions for both Japan Standard Time and Eastern Time are applied automatically.

Timezone conversion

JST to EST/EDT

Convert Japan Standard Time (JST) to Eastern Time (EST/EDT). Daylight-saving adjustments are applied automatically.

Conversion table

Common times in JST and their equivalents in EST/EDT:

JST	EST/EDT
12:00 AM	10:00 AMWed
3:00 AM	1:00 PMWed
6:00 AM	4:00 PMWed
9:00 AM	7:00 PMWed
12:00 PM	10:00 PMWed
3:00 PM	1:00 AM
6:00 PM	4:00 AM
9:00 PM	7:00 AM

Table computed using a fixed reference date to keep output stable. Use the full converter for any date and time.

Common meeting times

Quick translations for typical business hours in Japan Standard Time:

9:00 AM JST7:00 PM EST/EDT(Wed)
12:00 PM JST10:00 PM EST/EDT(Wed)
3:00 PM JST1:00 AM EST/EDT
5:00 PM JST3:00 AM EST/EDT

Best time to schedule a call

Standard business hours (08:00–18:00) in JST and EST/EDT do not overlap. To meet in real time you'll need to pick an early-morning or after-hours window on at least one side, or stagger asynchronously.

Upcoming offset transitions

At least one of these zones observes DST. The hours-apart number changes on the following dates over the next 12 months:

Mar 9, 2026 — gap becomes -13h
Nov 2, 2026 — gap becomes -14h

Sample calendar invite

Copy-paste this into your calendar event so attendees see both zones spelled out.

Subject: Sync meeting
Time: 10:00 AM JST (Japan Standard Time) = 8:00 PM EST/EDT (Eastern Time)
Date: Thursday, 15 January 2026
Notes: Japan Standard Time ↔ Eastern Time conversion handled with DST applied automatically.

About Japan Standard Time and Eastern Time

Japan Standard Time

Zone: Asia/Tokyo
Abbreviation: JST

Eastern Time

Zone: America/New_York
Abbreviation: EST/EDT

Related conversions

PST/PDT → EST/EDT CST/CDT → EST/EDT UTC → EST/EDT GMT/BST → EST/EDT IST → EST/EDT JST → PST/PDT EST/EDT → JST CET/CEST → EST/EDT AEST/AEDT → EST/EDT GST → EST/EDT EST/EDT → PST/PDT EST/EDT → CST/CDT

Browse all conversions →

Frequently asked questions

What time is it in Eastern Time when it's noon in Japan Standard Time?: When it's 12:00 PM JST, it's 10:00 PM EST/EDT.
What's the best time to schedule a call between JST and EST/EDT?: Standard business hours (08:00–18:00) in JST and EST/EDT do not overlap. You'll need to pick early-morning or after-hours time on at least one side, or split into two calls.
Does the time difference between JST and EST/EDT change during the year?: Yes — at least one zone observes daylight saving time, so the gap shifts during the year. Upcoming transitions: Mar 9, 2026, Nov 2, 2026.
Does this converter handle daylight saving time?: Yes. All calculations use the IANA time zone database (via Luxon), so DST transitions for both Japan Standard Time and Eastern Time are applied automatically.

Need something else? Convert any time between any two zones →