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. and will gradually decline since eight o'clock until 6 o'clock because people are starting to bed.