When it is 12:00 PM in ACST, it is 11:30 PM the previous day 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.
ACST is 12 hours 30 minutes ahead of ADT.
🕐 Subtract 12 hours 30 minutes from ACST time to get ADT time.
ACST uses 9 hours 30 minutes ahead of Universal Time (UTC+9) and ADT uses 3 hours behind Universal Time (UTC-3).
| ACST Time | ADT Time | |
|---|---|---|
| 12 AM ACST Time | ↔ | 11 AM ADT Time |
| 1 AM ACST Time | ↔ | 12 PM ADT Time |
| 2 AM ACST Time | ↔ | 1 PM ADT Time |
| 3 AM ACST Time | ↔ | 2 PM ADT Time |
| 4 AM ACST Time | ↔ | 3 PM ADT Time |
| 5 AM ACST Time | ↔ | 4 PM ADT Time |
| 6 AM ACST Time | ↔ | 5 PM ADT Time |
| 7 AM ACST Time | ↔ | 6 PM ADT Time |
| 8 AM ACST Time | ↔ | 7 PM ADT Time |
| 9 AM ACST Time | ↔ | 8 PM ADT Time |
| 10 AM ACST Time | ↔ | 9 PM ADT Time |
| 11 AM ACST Time | ↔ | 10 PM ADT Time |
| ACST Time | ADT Time | |
|---|---|---|
| 12 PM ACST Time | ↔ | 11 PM ADT Time |
| 1 PM ACST Time | ↔ | 12 AM ADT Time |
| 2 PM ACST Time | ↔ | 1 AM ADT Time |
| 3 PM ACST Time | ↔ | 2 AM ADT Time |
| 4 PM ACST Time | ↔ | 3 AM ADT Time |
| 5 PM ACST Time | ↔ | 4 AM ADT Time |
| 6 PM ACST Time | ↔ | 5 AM ADT Time |
| 7 PM ACST Time | ↔ | 6 AM ADT Time |
| 8 PM ACST Time | ↔ | 7 AM ADT Time |
| 9 PM ACST Time | ↔ | 8 AM ADT Time |
| 10 PM ACST Time | ↔ | 9 AM ADT Time |
| 11 PM ACST Time | ↔ | 10 AM ADT Time |
ACST is 12 hours 30 minutes ahead of ADT.
ACST is ahead of ADT by 12 hours 30 minutes.
It is 8:30 PM the previous day in ADT.