This is important!!!?

Ohk so im going to the san diego international comic con thing for the twilight stars and im not sure of what time it starts at, so if anyone knows or knows a website that wld help please tell me... Its on July 23 and i know ill have to get there early to get a good seat and stuff but if anyone has any information about it that wld be very sweet of you if you could tell me ... ill probly end up calling the company ppl if i cant find anything but plz any info wld be very very helpful.. =) thanks luv ya