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