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