There are total 21 hours or 1260 minutes from 1pm to 10am. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 8PM to 5AM | 10PM to 5AM | 10AM to 3AM |
| 9AM to 5PM | 5PM to 8AM | 8AM to 3PM |
| 6PM to 8PM | 2PM to 4PM | 12AM to 4AM |
| 4AM to 1AM | 9PM to 10AM | 10PM to 2PM |
| 7AM to 4AM | 7PM to 1AM | 1PM to 11PM |
| 8PM to 6AM | 12AM to 1PM | 4AM to 5PM |
