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