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