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