There are total 21 hours or 1260 minutes from 8am to 5am. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 7AM to 3PM | 10AM to 6AM | 5PM to 10PM |
| 7AM to 1AM | 10PM to 4PM | 6PM to 2PM |
| 7PM to 3PM | 3AM to 1AM | 6PM to 10AM |
| 11AM to 11PM | 7AM to 2PM | 6PM to 3AM |
| 4PM to 4AM | 6PM to 7PM | 5PM to 7AM |
| 9PM to 5PM | 1PM to 4PM | 4AM to 7PM |
