There are total 10 hours or 600 minutes from 3am to 1pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 12AM to 8AM | 2AM to 8AM | 6PM to 8PM |
| 7AM to 4AM | 7AM to 9PM | 9AM to 1AM |
| 12PM to 4PM | 1AM to 12AM | 5PM to 3PM |
| 7AM to 2PM | 6AM to 1AM | 10AM to 1AM |
| 2AM to 10PM | 3AM to 1AM | 1PM to 4AM |
| 7AM to 5PM | 3AM to 10PM | 1PM to 8AM |
