When it is 12:00 PM in ADT, it is 11:00 PM in Perth.
📞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.
ADT is 11 hours behind Perth.
🕐 Add 11 hours to ADT time to get Perth time.
ADT uses 3 hours behind Universal Time (UTC-3) and Perth uses 8 hours ahead of Universal Time (UTC+8).
| ADT Time | Perth Time | |
|---|---|---|
| 12 AM ADT Time | ↔ | 11 AM Perth Time |
| 1 AM ADT Time | ↔ | 12 PM Perth Time |
| 2 AM ADT Time | ↔ | 1 PM Perth Time |
| 3 AM ADT Time | ↔ | 2 PM Perth Time |
| 4 AM ADT Time | ↔ | 3 PM Perth Time |
| 5 AM ADT Time | ↔ | 4 PM Perth Time |
| 6 AM ADT Time | ↔ | 5 PM Perth Time |
| 7 AM ADT Time | ↔ | 6 PM Perth Time |
| 8 AM ADT Time | ↔ | 7 PM Perth Time |
| 9 AM ADT Time | ↔ | 8 PM Perth Time |
| 10 AM ADT Time | ↔ | 9 PM Perth Time |
| 11 AM ADT Time | ↔ | 10 PM Perth Time |
| ADT Time | Perth Time | |
|---|---|---|
| 12 PM ADT Time | ↔ | 11 PM Perth Time |
| 1 PM ADT Time | ↔ | 12 AM Perth Time |
| 2 PM ADT Time | ↔ | 1 AM Perth Time |
| 3 PM ADT Time | ↔ | 2 AM Perth Time |
| 4 PM ADT Time | ↔ | 3 AM Perth Time |
| 5 PM ADT Time | ↔ | 4 AM Perth Time |
| 6 PM ADT Time | ↔ | 5 AM Perth Time |
| 7 PM ADT Time | ↔ | 6 AM Perth Time |
| 8 PM ADT Time | ↔ | 7 AM Perth Time |
| 9 PM ADT Time | ↔ | 8 AM Perth Time |
| 10 PM ADT Time | ↔ | 9 AM Perth Time |
| 11 PM ADT Time | ↔ | 10 AM Perth Time |
ADT is 11 hours behind Perth.
ADT is behind Perth by 11 hours.
It is 8:00 PM in Perth.