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
| 1AM to 7PM | 4AM to 9AM | 9AM to 12PM |
| 1PM to 3AM | 9PM to 4PM | 12AM to 6AM |
| 8AM to 6PM | 1PM to 11AM | 6AM to 9AM |
| 11AM to 1AM | 11AM to 11PM | 8PM to 4AM |
| 11PM to 12PM | 2PM to 10AM | 8AM to 7AM |
| 7AM to 4AM | 5AM to 2PM | 8PM to 1AM |
