JST to EDT Time Converter
Use this JST to EDT time converter to compare Japan and US East Coast time instantly. EDT is 13 hours behind JST, so 9:00 AM JST becomes 8:00 PM (previous day) EDT and 5:00 PM JST becomes 4:00 AM EDT. The page is useful for business-hours overlap, international calls, remote-team handoffs, webinars, and travel planning, with daylight saving adjustments handled automatically.
JST to EDT Quick Facts
Use this JST to EDT converter to compare Japan and US East Coast 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 JST to EDT
Converting between Japan Standard Time and Eastern Daylight 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 Japan Standard Time (UTC +9) that you want to convert. Hit "Now" to load the current JST time instantly, or use "+1h" to step forward and compare.
The equivalent Eastern Daylight Time (UTC -4) time appears immediately. Since EDT is 13 hours behind of JST, conversions often cross midnight — look for the date-change label.
Click "Copy Time" to grab the EDT result for your calendar or message. Use "+1d" to check how the conversion shifts across dates — helpful for scheduling recurring Japan–United States calls.
Why Choose Our JST to EDT Converter
With 13 hours between JST and EDT, 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 JST evening at 9 PM is already the previous afternoon in EDT. This converter flags date changes beside the result — critical when booking flights, hitting deadlines, or scheduling across the Japan–United States corridor.
Daylight Saving adjustments can widen or narrow the JST–EDT 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 JST. Convert the event time to EDT so you know exactly when to tune in — with a 13 hours difference, a morning event in Japan hits the evening in United States.
JST to EDT Time Conversion Chart
Quick-reference conversion table covering every hour of the day at a glance.
Japan Standard Time to Eastern Daylight Time full day schedule
| Japan Standard Time | Eastern Daylight Time |
|---|---|
| 12:00 AM |
11:00 AM
(previous day)
|
| 1:00 AM |
12:00 PM
(previous day)
|
| 2:00 AM |
1:00 PM
(previous day)
|
| 3:00 AM |
2:00 PM
(previous day)
|
| 4:00 AM |
3:00 PM
(previous day)
|
| 5:00 AM |
4:00 PM
(previous day)
|
| 6:00 AM |
5:00 PM
(previous day)
|
| 7:00 AM |
6:00 PM
(previous day)
|
| 8:00 AM |
7:00 PM
(previous day)
|
| 9:00 AM |
8:00 PM
(previous day)
|
| 10:00 AM |
9:00 PM
(previous day)
|
| 11:00 AM |
10:00 PM
(previous day)
|
| 12:00 PM |
11:00 PM
(previous day)
|
| 1:00 PM |
12:00 AM
|
| 2:00 PM |
1:00 AM
|
| 3:00 PM |
2:00 AM
|
| 4:00 PM |
3:00 AM
|
| 5:00 PM |
4:00 AM
|
| 6:00 PM |
5:00 AM
|
| 7:00 PM |
6:00 AM
|
| 8:00 PM |
7:00 AM
|
| 9:00 PM |
8:00 AM
|
| 10:00 PM |
9:00 AM
|
| 11:00 PM |
10:00 AM
|
Popular JST Time Converters
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Convert Other Time Zones to EDT
Find the time difference from any major zone into Eastern Daylight Time. Use these pages when scheduling with United States from a different region.