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JST to EST converter
Japan Standard Time
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Eastern Time
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Eastern Time is 13 hours behind Japan Standard Time for most of the year, and 14 hours behind for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to March 7: Eastern Time is 14 hours behind Japan Standard Time
- March 8 to October 31: Eastern Time is 13 hours behind Japan Standard Time
- November 1 to December 31: Eastern Time is 14 hours behind Japan Standard Time
Questions
What time is 9 AM JST in EST?
For most of the year, 9 AM Japan Standard Time is 8 PM the day before Eastern Time. For part of the year it is 7 PM the day before, because of daylight saving time.
How many hours ahead or behind is EST from JST?
Eastern Time is 13 hours behind Japan Standard Time for most of the year, and 14 hours behind for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the JST to EST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
JST to EST, hour by hour
| Japan Standard Time | Eastern Time |
|---|---|
| 12 AM | 11 AM (previous day) |
| 1 AM | 12 PM (previous day) |
| 2 AM | 1 PM (previous day) |
| 3 AM | 2 PM (previous day) |
| 4 AM | 3 PM (previous day) |
| 5 AM | 4 PM (previous day) |
| 6 AM | 5 PM (previous day) |
| 7 AM | 6 PM (previous day) |
| 8 AM | 7 PM (previous day) |
| 9 AM | 8 PM (previous day) |
| 10 AM | 9 PM (previous day) |
| 11 AM | 10 PM (previous day) |
| 12 PM | 11 PM (previous day) |
| 1 PM | 12 AM |
| 2 PM | 1 AM |
| 3 PM | 2 AM |
| 4 PM | 3 AM |
| 5 PM | 4 AM |
| 6 PM | 5 AM |
| 7 PM | 6 AM |
| 8 PM | 7 AM |
| 9 PM | 8 AM |
| 10 PM | 9 AM |
| 11 PM | 10 AM |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.