There are total 5 hours or 300 minutes from 1pm to 6pm. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 11AM to 8PM | 10AM to 11AM | 11AM to 6AM |
| 6PM to 8PM | 3PM to 8AM | 9PM to 12AM |
| 9PM to 1AM | 8PM to 7AM | 9AM to 11PM |
| 2PM to 8AM | 5AM to 10AM | 8PM to 9AM |
| 9AM to 6PM | 5AM to 2PM | 10AM to 4PM |
| 5PM to 12AM | 4AM to 4PM | 3AM to 10AM |
