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