There are total 20 hours or 1200 minutes from 5am to 1am. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 4PM to 6AM | 7AM to 2AM | 6AM to 2PM |
| 8PM to 7PM | 11AM to 1AM | 12AM to 5PM |
| 1PM to 3AM | 11PM to 1AM | 9AM to 5AM |
| 1PM to 8PM | 1AM to 12AM | 2AM to 9PM |
| 12PM to 8AM | 1AM to 3AM | 2PM to 5PM |
| 8AM to 7AM | 12AM to 10AM | 11PM to 9PM |
