There are total 4 hours or 240 minutes from 5pm to 9pm. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 9PM to 8AM | 11AM to 8PM | 7AM to 2AM |
| 10AM to 3PM | 3AM to 5AM | 12PM to 7AM |
| 4AM to 2AM | 1AM to 2AM | 1PM to 7AM |
| 6AM to 8AM | 1AM to 12PM | 4AM to 5PM |
| 4AM to 6AM | 8PM to 2AM | 7PM to 12AM |
| 8PM to 10PM | 8AM to 4PM | 2PM to 1PM |