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

When it's 12:00 PM EST/EDT, it's 2:00 AM JST.

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

Standard business hours (08:00–18:00) in EST/EDT and JST 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 EST/EDT and JST 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 Eastern Time and Japan Standard Time are applied automatically.

Timezone conversion

EST/EDT to JST

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

Conversion table

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

EST/EDT	JST
12:00 AM	2:00 PM
3:00 AM	5:00 PM
6:00 AM	8:00 PM
9:00 AM	11:00 PM
12:00 PM	2:00 AMFri
3:00 PM	5:00 AMFri
6:00 PM	8:00 AMFri
9:00 PM	11:00 AMFri

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 Eastern Time:

9:00 AM EST/EDT11:00 PM JST
12:00 PM EST/EDT2:00 AM JST(Fri)
3:00 PM EST/EDT5:00 AM JST(Fri)
5:00 PM EST/EDT7:00 AM JST(Fri)

Best time to schedule a call

Standard business hours (08:00–18:00) in EST/EDT and JST 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 EST/EDT (Eastern Time) = 12:00 AM JST (Japan Standard Time)
Date: Thursday, 15 January 2026
Notes: Eastern Time ↔ Japan Standard Time conversion handled with DST applied automatically.

About Eastern Time and Japan Standard Time

Eastern Time

Zone: America/New_York
Abbreviation: EST/EDT

Japan Standard Time

Zone: Asia/Tokyo
Abbreviation: JST

Related conversions

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

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Frequently asked questions

What time is it in Japan Standard Time when it's noon in Eastern Time?: When it's 12:00 PM EST/EDT, it's 2:00 AM JST.
What's the best time to schedule a call between EST/EDT and JST?: Standard business hours (08:00–18:00) in EST/EDT and JST 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 EST/EDT and JST 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 Eastern Time and Japan Standard Time are applied automatically.

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