When it is 12:00 PM in JST, it is 12:00 AM in ADT.
📞There is no overlap during standard 9-to-5 business hours, so a call may need to be early or late in the day for one side.
JST is 12 hours ahead of ADT.
🕐 Subtract 12 hours from JST time to get ADT time.
JST uses 9 hours ahead of Universal Time (UTC+9) and ADT uses 3 hours behind Universal Time (UTC-3).
| JST Time | ADT Time | |
|---|---|---|
| 12 AM JST Time | ↔ | 12 PM ADT Time |
| 1 AM JST Time | ↔ | 1 PM ADT Time |
| 2 AM JST Time | ↔ | 2 PM ADT Time |
| 3 AM JST Time | ↔ | 3 PM ADT Time |
| 4 AM JST Time | ↔ | 4 PM ADT Time |
| 5 AM JST Time | ↔ | 5 PM ADT Time |
| 6 AM JST Time | ↔ | 6 PM ADT Time |
| 7 AM JST Time | ↔ | 7 PM ADT Time |
| 8 AM JST Time | ↔ | 8 PM ADT Time |
| 9 AM JST Time | ↔ | 9 PM ADT Time |
| 10 AM JST Time | ↔ | 10 PM ADT Time |
| 11 AM JST Time | ↔ | 11 PM ADT Time |
| JST Time | ADT Time | |
|---|---|---|
| 12 PM JST Time | ↔ | 12 AM ADT Time |
| 1 PM JST Time | ↔ | 1 AM ADT Time |
| 2 PM JST Time | ↔ | 2 AM ADT Time |
| 3 PM JST Time | ↔ | 3 AM ADT Time |
| 4 PM JST Time | ↔ | 4 AM ADT Time |
| 5 PM JST Time | ↔ | 5 AM ADT Time |
| 6 PM JST Time | ↔ | 6 AM ADT Time |
| 7 PM JST Time | ↔ | 7 AM ADT Time |
| 8 PM JST Time | ↔ | 8 AM ADT Time |
| 9 PM JST Time | ↔ | 9 AM ADT Time |
| 10 PM JST Time | ↔ | 10 AM ADT Time |
| 11 PM JST Time | ↔ | 11 AM ADT Time |
JST is 12 hours ahead of ADT.
JST is ahead of ADT by 12 hours.
It is 9:00 PM the previous day in ADT.