| Porto Nacional Time | EDT | |
|---|---|---|
| 12:00 AM Thursday Porto Nacional Time (BRT) | ↔ | 11:00 PM Wednesday EDT |
| 01:00 AM Thursday Porto Nacional Time (BRT) | ↔ | 12:00 AM Thursday EDT |
| 02:00 AM Thursday Porto Nacional Time (BRT) | ↔ | 01:00 AM Thursday EDT |
| 03:00 AM Thursday Porto Nacional Time (BRT) | ↔ | 02:00 AM Thursday EDT |
| 04:00 AM Thursday Porto Nacional Time (BRT) | ↔ | 03:00 AM Thursday EDT |