What time will the royal wedding be airing?

Okay so i live in Oregon, USA, and i want to watch the royal wedding online. I need to know what the best website is to watch it kn, and what time i can whath it. A friend suggested E! Online. Any suggestions? Thank you!!! Ive always wanted to see a royal wedding :) im 13 but i sill like to dream like im a princess. (guys, its a girls thing ;)