Oscars 2012 Red Carpet
Oscars 2012 apps allow you to follow the live coverage on iPhone, Android, iPad and other mobile devices via free mobile live streams, and also to view photos and commentary and to participate via social media. Twitter

It's Oscar Sunday! You may still have some lingering questions about the most glamorous day in Hollywood like, Who are the nominees? and What time does it begin?

Here are some FAQ's about the Oscars and a guide to the 84th Academy Awards.

What time do the Oscars 2012 start?

The Oscars begin at 8:30 p.m. EST on ABC.

What time do the Oscars end?

The show usually runs until about midnight.

When does the red carpet begin?

The red carpet for the Oscars is essentially an all-day event. ABC's coverage begins at 4:30 p.m. EST. E! begins its coverage at 1:30 p.m. EST. CNN starts at 6:30 p.m. EST. TV Guide begins at 6 p.m. EST. The Associated Press will live stream the red carpet at 5 p.m. EST. Here is a guide from IBTimes for making the best out of the red carpet coverage.

Does the Oscars stream online?

ABC is not offering a live stream of the telecast, but some third party Web sites have unofficial live streams.

Who are the nominees?

Here is a list of the nominees for the 2012 Oscars.

Who is going to win?

Here are some of IBTimes' predictions for who will win the 2012 Oscars.

Here are trailers for the nine Best Picture nominees.

Who is hosting the 2012 Oscars?

Billy Crystal will host for the first time since 2004.

Who are the presenters?

Christian Bale, Halle Berry, Bradley Cooper, the Bridesmaids cast (Rose Byrne, Ellie Kemper, Melissa McCarthy, Wendi McLendon-Covey, Maya Rudolph and Kristen Wiig), Tom Cruise, Penelope Cruz, Cameron Diaz, Michael Douglas, Will Ferrell, Tina Fey, Colin Firth, Zach Galifianakis, Angelina Jolie, Milla Jovovich, Melissa Leo, Jennifer Lopez, Natalie Portman, Chris Rock, Ben Stiller, Emma Stone and Meryl Streep.

Are there going to be any musical performances?

The Oscars do not have musical performances typically, but this year Cirque du Soleil will perform.

Will there be any post-Oscars coverage?

Jimmy Kimmel will host the After the Academy Awards special on ABC with many celebrities scheduled to participate.