There are total 15 hours or 900 minutes from 9am to 12am. In words, this duration is equal to fifteen hours or nine hundred minutes.
How many hours from
| 5AM to 2AM | 12AM to 2PM | 4PM to 10PM |
| 10AM to 8PM | 1PM to 1AM | 1AM to 12AM |
| 1PM to 4AM | 6AM to 3PM | 11AM to 6AM |
| 11PM to 5PM | 11AM to 1AM | 7PM to 6PM |
| 8AM to 10AM | 6AM to 8AM | 12PM to 3AM |
| 3PM to 7PM | 3AM to 9AM | 10AM to 3PM |
