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