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