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