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