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 7PM | 5PM to 3AM | 10AM to 5PM |
| 8AM to 1AM | 4PM to 2AM | 6PM to 12PM |
| 4PM to 10AM | 1AM to 8PM | 1AM to 5PM |
| 10AM to 3PM | 1PM to 8AM | 9PM to 5AM |
| 10PM to 1PM | 10AM to 9AM | 3AM to 2PM |
| 3AM to 9AM | 4PM to 11AM | 11AM to 5PM |
