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
| 1AM to 2AM | 3PM to 7AM | 10AM to 9PM |
| 9PM to 3PM | 9AM to 2PM | 12AM to 10AM |
| 12AM to 1PM | 12PM to 3AM | 11AM to 9AM |
| 1AM to 9PM | 7PM to 9AM | 1AM to 8PM |
| 8AM to 9AM | 10PM to 11PM | 9PM to 5PM |
| 6AM to 3PM | 8AM to 10AM | 3AM to 4AM |
