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