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
| 1AM to 5PM | 9AM to 6AM | 11AM to 9AM |
| 5AM to 8PM | 12PM to 1AM | 1AM to 2AM |
| 8PM to 5AM | 3AM to 4PM | 12PM to 11PM |
| 11PM to 12PM | 1AM to 5PM | 5AM to 9PM |
| 6AM to 2PM | 1AM to 5AM | 5AM to 8AM |
| 7PM to 8PM | 3AM to 1AM | 7PM to 1AM |
