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