Convert time between EDT and JST (GMT+9) with our easy-to-use converter. Whether you're scheduling international meetings, coordinating with remote teams, or planning calls across time zones, this converter helps you find the right time instantly.
Eastern Daylight Time
Current Time
LiveJapan Standard Time
Converted Time
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Everything you need to know about our services
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