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