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