There are total 10 hours or 600 minutes from 8am to 6pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 1PM to 4AM | 3AM to 9AM | 6PM to 6AM |
| 1PM to 7AM | 10PM to 3AM | 6PM to 11AM |
| 11AM to 6PM | 1PM to 2PM | 11PM to 12PM |
| 7PM to 1PM | 8PM to 6PM | 4PM to 2PM |
| 3PM to 1PM | 5AM to 2PM | 8PM to 3AM |
| 6PM to 10AM | 4PM to 1PM | 3AM to 7AM |
