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