There are total 15 hours or 900 minutes from 6am to 9pm. In words, this duration is equal to fifteen hours or nine hundred minutes.
How many hours from
| 2PM to 6AM | 11AM to 6AM | 1AM to 9PM |
| 10PM to 12PM | 5PM to 8AM | 2PM to 8PM |
| 10PM to 3PM | 9PM to 5PM | 1AM to 5PM |
| 10AM to 11PM | 7PM to 3PM | 5PM to 10PM |
| 2PM to 5AM | 1PM to 9PM | 10AM to 7PM |
| 11PM to 3AM | 8AM to 7PM | 1AM to 5AM |
