There are total 18 hours or 1080 minutes from 10am to 4am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 9AM to 2PM | 6PM to 9PM | 7AM to 12PM |
| 3AM to 1PM | 3AM to 9AM | 11AM to 12AM |
| 10AM to 4PM | 7AM to 9AM | 9PM to 4PM |
| 1AM to 4AM | 4PM to 6PM | 1AM to 6AM |
| 2PM to 6PM | 1AM to 9PM | 4AM to 2AM |
| 1PM to 1AM | 3PM to 4PM | 4PM to 4AM |