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