There are total 18 hours or 1080 minutes from 9am to 3am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 10AM to 11AM | 6AM to 11PM | 1AM to 7PM |
| 3PM to 6AM | 9PM to 5PM | 2PM to 9AM |
| 3PM to 11PM | 8PM to 10PM | 3PM to 4AM |
| 1PM to 6AM | 1AM to 11AM | 3AM to 10AM |
| 11PM to 7PM | 3AM to 5PM | 2PM to 8PM |
| 12PM to 11PM | 1AM to 9AM | 6AM to 1PM |
