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