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