Read the dictionary definition of hour. All definitions for this word.
1. distance measured by the time taken to cover it
1. we live an hour from the airport
2. its just 10 minutes away
2. a period of time equal to 1/24th of a day
1. the job will take more than an hour
3. clock time
1. the hour is getting late
4. a special and memorable period
1. it was their finest hour