Time in ADT and JST
The time difference between Atlantic Daylight Time (ADT) and Japan Standard Time (JST) is 12 hours. Japan Standard Time is 12 hours ahead of Atlantic Daylight Time.
This means 9am ADT is 9pm JST and 5pm ADT is 5am JST (next day).
Atlantic Daylight Time
- The current local time in ADT is 3:40 pm (July 18, 2026)
- ADT time zone offset is UTC-03:00
Japan Standard Time
- The current local time in JST is 9:40 pm (July 18, 2026)
- JST time zone offset is UTC+09:00
How to convert Atlantic Daylight Time to Japan Standard Time?
Add 12 hours to Atlantic Daylight Time to get Japan Standard Time.
Time in ADT
00:00
Time in JST
00:00
Use the slider above to convert Atlantic Daylight Time to Japan Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| ADT | JST |
|---|---|
| 12am | 12pm |
| 1am | 1pm |
| 2am | 2pm |
| 3am | 3pm |
| 4am | 4pm |
| 5am | 5pm |
| 6am | 6pm |
| 7am | 7pm |
| 8am | 8pm |
| 9am | 9pm |
| 10am | 10pm |
| 11am | 11pm |
| 12pm | 12am |
| 1pm | 1am |
| 2pm | 2am |
| 3pm | 3am |
| 4pm | 4am |
| 5pm | 5am |
| 6pm | 6am |
| 7pm | 7am |
| 8pm | 8am |
| 9pm | 9am |
| 10pm | 10am |
| 11pm | 11am |