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