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