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