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