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