There are total 7 hours or 420 minutes from 1pm to 8pm. In words, this duration is equal to seven hours or four hundred twenty minutes.
How many hours from
| 2AM to 4AM | 2PM to 11PM | 2AM to 12PM |
| 11AM to 8AM | 10AM to 5PM | 12PM to 8PM |
| 9PM to 5AM | 11AM to 8PM | 3PM to 4PM |
| 4PM to 1PM | 6PM to 9PM | 5AM to 10PM |
| 12PM to 10AM | 9AM to 8PM | 11PM to 11AM |
| 4AM to 3PM | 7AM to 12AM | 2AM to 1PM |
