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Convert Eastern Daylight Time (EDT) to Japan Standard Time (JST, UTC+9) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for EDT to JST coordination. Includes 24-hour conversion table and live time displays. Perfect for international scheduling and global team collaboration. Works on all devices with accurate, reliable results.
Japan Standard Time is 13 hours ahead of Eastern Daylight Time
Complete hourly conversion for Eastern Daylight Time to Japan Standard Time
| Eastern Daylight Time | Japan Standard Time | 24-Hour EDT | 24-Hour JST |
|---|---|---|---|
| 12:00 AM | 1:00 PM | 00:00 | 13:00 |
| 1:00 AM | 2:00 PM | 01:00 | 14:00 |
| 2:00 AM | 3:00 PM | 02:00 | 15:00 |
| 3:00 AM | 4:00 PM | 03:00 | 16:00 |
| 4:00 AM | 5:00 PM | 04:00 | 17:00 |
| 5:00 AM | 6:00 PM | 05:00 | 18:00 |
| 6:00 AM | 7:00 PM | 06:00 | 19:00 |
| 7:00 AM | 8:00 PM | 07:00 | 20:00 |
| 8:00 AM | 9:00 PM | 08:00 | 21:00 |
| 9:00 AM | 10:00 PM | 09:00 | 22:00 |
| 10:00 AM | 11:00 PM | 10:00 | 23:00 |
| 11:00 AM | 12:00 AM (next day) | 11:00 | 00:00 |
| 12:00 PM | 1:00 AM (next day) | 12:00 | 01:00 |
| 1:00 PM | 2:00 AM (next day) | 13:00 | 02:00 |
| 2:00 PM | 3:00 AM (next day) | 14:00 | 03:00 |
| 3:00 PM | 4:00 AM (next day) | 15:00 | 04:00 |
| 4:00 PM | 5:00 AM (next day) | 16:00 | 05:00 |
| 5:00 PM | 6:00 AM (next day) | 17:00 | 06:00 |
| 6:00 PM | 7:00 AM (next day) | 18:00 | 07:00 |
| 7:00 PM | 8:00 AM (next day) | 19:00 | 08:00 |
| 8:00 PM | 9:00 AM (next day) | 20:00 | 09:00 |
| 9:00 PM | 10:00 AM (next day) | 21:00 | 10:00 |
| 10:00 PM | 11:00 AM (next day) | 22:00 | 11:00 |
| 11:00 PM | 12:00 PM (next day) | 23:00 | 12:00 |
Optimal hours for calls between EDT and JST
Based on standard business hours (9:00 AM - 6:00 PM) in each time zone
Technical information for both time zones
Source timezone
Target timezone
The EDT-JST relationship fluctuates because Japan doesn't observe daylight saving time. During EDT (March-November), Japan is 13 hours ahead. When the US switches to EST (November-March), Japan becomes 14 hours ahead. Use iformat.io's time zone tracker to automatically adjust for these seasonal changes and ensure accurate conversions year-round.
For optimal scheduling between EDT and JST, focus on the "golden hours" - 8:00-10:00 AM EDT (9:00-11:00 PM JST) for maximum team overlap. Pro tip: Use iformat.io's built-in calendar integration to schedule meetings instantly while viewing both time zones simultaneously.
Visit iformat.io during critical transition periods. The website automatically accounts for daylight saving time changes, ensuring you always get the correct time difference between EDT and JST without making manual calculations.
Use iformat.io to check the time difference for market hours quickly: When NYSE opens at 9:30 AM EDT, check iformat.io to see the corresponding JST time For after-hours trading, use the converter to determine overlap periods Check pre-market timing by entering your target EDT time on iformat.io
When planning webinars across these time zones: Visit iformat.io to check the exact time difference Enter your proposed EDT start time to see the JST equivalent Note both times in your webinar announcement Double-check the conversion again closer to the event date in case DST changes
iformat.io provides reliable time conversions because of it: Updates automatically for daylight saving time changes Shows apparent, easy-to-read time differences Provides instant conversions through a user-friendly web interface Maintains accuracy during all seasons and time changes
