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