There are total 3 hours or 180 minutes from 10am to 1pm. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 9PM to 10AM | 6AM to 1PM | 9AM to 8PM |
| 9AM to 8AM | 3AM to 11AM | 9PM to 8PM |
| 1AM to 11AM | 9PM to 6AM | 3AM to 7PM |
| 2AM to 7AM | 4PM to 11PM | 2AM to 12AM |
| 1AM to 2PM | 12AM to 6PM | 6PM to 8PM |
| 3AM to 2PM | 11AM to 6PM | 1AM to 5AM |
