There are total 5 hours or 300 minutes from 1am to 6am. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 1AM to 8PM | 12PM to 6PM | 10AM to 3PM |
| 8AM to 8PM | 3AM to 5AM | 9PM to 2AM |
| 9AM to 1PM | 2AM to 6AM | 6PM to 4AM |
| 6AM to 7AM | 3PM to 9PM | 10PM to 8AM |
| 7PM to 5PM | 3AM to 2AM | 9AM to 1AM |
| 6AM to 9PM | 5AM to 5PM | 4AM to 5AM |
