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
| 1AM to 2AM | 12AM to 7PM | 5AM to 3AM |
| 7AM to 7PM | 8AM to 12PM | 8PM to 5PM |
| 5PM to 8PM | 1PM to 9PM | 5PM to 4AM |
| 5AM to 3AM | 2PM to 11AM | 3PM to 6PM |
| 10AM to 11PM | 7AM to 5AM | 7AM to 5PM |
| 4PM to 8AM | 3PM to 5PM | 2AM to 4AM |
