There are total 4 hours or 240 minutes from 1am to 5am. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 9PM to 8PM | 4AM to 9AM | 4PM to 6AM |
| 12AM to 10AM | 4AM to 9AM | 8PM to 2PM |
| 12PM to 4AM | 11AM to 2PM | 10AM to 7PM |
| 3AM to 12PM | 5AM to 11AM | 4AM to 5PM |
| 11AM to 10AM | 12AM to 6PM | 4AM to 2AM |
| 1AM to 9AM | 11AM to 6AM | 9PM to 12PM |
