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