EDT to JST Time Converter
Use this EDT to JST time converter to compare US East Coast and Japan time instantly. JST is 13 hours ahead of EDT, so 9:00 AM EDT becomes 10:00 PM JST and 5:00 PM EDT becomes 6:00 AM (next day) JST. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
EDT to JST Quick Facts
Use this EDT to JST converter to compare US East Coast and Japan time, check the 13 hours gap, and confirm the right slot for calls, handoffs, and deadlines. Find the best overlap for calls and meetings.
How to Convert EDT to JST
Converting between Eastern Daylight Time and Japan Standard Time means accounting for a 13 hours gap — here's how to do it in under 10 seconds with no sign-up.
Pick the date and time in Eastern Daylight Time (UTC -4) that you want to convert. Hit "Now" to load the current EDT time instantly, or use "+1h" to step forward and compare.
The equivalent Japan Standard Time (UTC +9) time appears immediately. Since JST is 13 hours ahead of EDT, conversions often cross midnight — look for the date-change label.
Click "Copy Time" to grab the JST result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring United States–Japan calls.
Why Choose Our EDT to JST Converter
With 13 hours between EDT and JST, business-hours overlap is limited. This tool instantly shows which hours work on both sides, so you can lock in a meeting without a chain of "does 3 PM work for you?" emails.
A EDT evening at 9 PM is already the next morning in JST. This converter flags date changes beside the result — critical when booking flights, hitting deadlines, or scheduling across the United States–Japan corridor.
Daylight Saving adjustments can widen or narrow the EDT–JST gap by an hour. During transition weeks many people get it wrong. This converter pulls the current UTC offsets automatically, so the result is right even on the changeover day.
Product launches, sports matches, and webinars are often announced in EDT. Convert the event time to JST so you know exactly when to tune in — with a 13 hours difference, a morning event in United States falls during work hours in Japan.
EDT to JST Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Eastern Daylight Time to Japan Standard Time full day schedule
| Eastern Daylight Time | Japan Standard Time |
|---|---|
| 12:00 AM |
1:00 PM
|
| 1:00 AM |
2:00 PM
|
| 2:00 AM |
3:00 PM
|
| 3:00 AM |
4:00 PM
|
| 4:00 AM |
5:00 PM
|
| 5:00 AM |
6:00 PM
|
| 6:00 AM |
7:00 PM
|
| 7:00 AM |
8:00 PM
|
| 8:00 AM |
9:00 PM
|
| 9:00 AM |
10:00 PM
|
| 10:00 AM |
11:00 PM
|
| 11:00 AM |
12:00 AM
(next day)
|
| 12:00 PM |
1:00 AM
(next day)
|
| 1:00 PM |
2:00 AM
(next day)
|
| 2:00 PM |
3:00 AM
(next day)
|
| 3:00 PM |
4:00 AM
(next day)
|
| 4:00 PM |
5:00 AM
(next day)
|
| 5:00 PM |
6:00 AM
(next day)
|
| 6:00 PM |
7:00 AM
(next day)
|
| 7:00 PM |
8:00 AM
(next day)
|
| 8:00 PM |
9:00 AM
(next day)
|
| 9:00 PM |
10:00 AM
(next day)
|
| 10:00 PM |
11:00 AM
(next day)
|
| 11:00 PM |
12:00 PM
(next day)
|
Timezone offsets and DST rules verified against the IANA Time Zone Database. Conversion math and business-hour overlap windows double-checked against real-world scheduling scenarios.
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