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