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