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