Is this time?

[Blooker]

9/8C
What is this? I always see something along these lines on American TV commercials
Is it some format of time?

[Ad Bot]

[Twenky]

thx google
http://answers.yahoo.com/question/index?qid=20080922062519AA7KLGA

[shyGriff]

9 something
8 central

[Blooker]

Thanks guys