There are fewer people watching television in the period from 6 am to noon It was during time people rush to go to work, no time to turn on the TV and have watch TV increase from 1 pm to 8 pm. Because It was time to eat lunch. Makes watching TV more. evening time
after come back from work It is time to relax. As a result increased TV viewing until 8 pm is A highest point and The TV will gradually decline to 3 am and remain the same to 6 am.