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
| 12PM to 2PM | 10PM to 12PM | 1AM to 9PM |
| 6PM to 5PM | 2PM to 8PM | 8PM to 4PM |
| 1AM to 8AM | 5PM to 9PM | 12PM to 6PM |
| 7PM to 6PM | 11AM to 9PM | 9PM to 2PM |
| 12PM to 7AM | 8PM to 3AM | 5AM to 2PM |
| 10AM to 3PM | 2PM to 1AM | 10AM to 1PM |
