There are total 8 hours or 480 minutes from 5am to 1pm. In words, this duration is equal to eight hours or four hundred eighty minutes.
How many hours from
| 1AM to 4PM | 4AM to 1PM | 4PM to 2PM |
| 8PM to 8AM | 1AM to 9AM | 7AM to 2PM |
| 8PM to 6AM | 1PM to 2PM | 2PM to 11AM |
| 5AM to 4AM | 6AM to 7PM | 7PM to 5AM |
| 10PM to 8AM | 5AM to 6AM | 6AM to 5PM |
| 6AM to 4AM | 5PM to 9AM | 5PM to 12AM |
