When it is 12:00 PM in O'Fallon, it is 2:30 AM the next day in Adelaide.
📞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.
O'Fallon is 14 hours 30 minutes behind Adelaide.
🕐 Add 14 hours 30 minutes to O'Fallon time to get Adelaide time.
O'Fallon uses 5 hours behind Universal Time (UTC-5) and Adelaide uses 9 hours 30 minutes ahead of Universal Time (UTC+9).
| O'Fallon Time | Adelaide Time | |
|---|---|---|
| 12 AM O'Fallon Time | ↔ | ☼ 2 PM Adelaide Time |
| 1 AM O'Fallon Time | ↔ | ☼ 3 PM Adelaide Time |
| 2 AM O'Fallon Time | ↔ | ☼ 4 PM Adelaide Time |
| 3 AM O'Fallon Time | ↔ | ☼ 5 PM Adelaide Time |
| 4 AM O'Fallon Time | ↔ | 6 PM Adelaide Time |
| ☼ 5 AM O'Fallon Time | ↔ | 7 PM Adelaide Time |
| ☼ 6 AM O'Fallon Time | ↔ | 8 PM Adelaide Time |
| ☼ 7 AM O'Fallon Time | ↔ | 9 PM Adelaide Time |
| ☼ 8 AM O'Fallon Time | ↔ | 10 PM Adelaide Time |
| ☼ 9 AM O'Fallon Time | ↔ | 11 PM Adelaide Time |
| ☼ 10 AM O'Fallon Time | ↔ | 12 AM Adelaide Time |
| ☼ 11 AM O'Fallon Time | ↔ | 1 AM Adelaide Time |
| O'Fallon Time | Adelaide Time | |
|---|---|---|
| ☼ 12 PM O'Fallon Time | ↔ | 2 AM Adelaide Time |
| ☼ 1 PM O'Fallon Time | ↔ | 3 AM Adelaide Time |
| ☼ 2 PM O'Fallon Time | ↔ | 4 AM Adelaide Time |
| ☼ 3 PM O'Fallon Time | ↔ | 5 AM Adelaide Time |
| ☼ 4 PM O'Fallon Time | ↔ | 6 AM Adelaide Time |
| ☼ 5 PM O'Fallon Time | ↔ | ☼ 7 AM Adelaide Time |
| ☼ 6 PM O'Fallon Time | ↔ | ☼ 8 AM Adelaide Time |
| ☼ 7 PM O'Fallon Time | ↔ | ☼ 9 AM Adelaide Time |
| ☼ 8 PM O'Fallon Time | ↔ | ☼ 10 AM Adelaide Time |
| 9 PM O'Fallon Time | ↔ | ☼ 11 AM Adelaide Time |
| 10 PM O'Fallon Time | ↔ | ☼ 12 PM Adelaide Time |
| 11 PM O'Fallon Time | ↔ | ☼ 1 PM Adelaide Time |
O'Fallon is 14 hours 30 minutes behind Adelaide.
O'Fallon is behind Adelaide by 14 hours 30 minutes.
It is 11:30 PM in Adelaide.