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