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