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