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