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