Update: LGBT Advocate Zach Wahls of Iowa City Tweets About His Time Slot at DNC Tonight

If you want to see Zach Wahls at the Democratic National Convention tonight, best tune in early.

Wahls, 21, told Jennifer Jacobs of the Des Moines Register that he will be speaking between 6:20 p.m. and 6:45 p.m. in Iowa time at the convention tonight.

Around noon on Thursday, Wahls provided an update via Twitter, and it looks like he will go on a bit later.

"Will be speaking tonight sometime after 7:00 Eastern. Depends on if Bill shows up. #DNC12," he tweeted.

These times could be subject to change as the organizers plan to build up to President Barack Obama's important convention speech tonight.

You can watch the convention live on CSPAN here. Here's a link to the convention schedule for tonight.

Wahls will likely continue a reoccurring mention of gay marriage rights that has been invoked by many speakers so far at the convention, the same convention where the Democratic Party placed supporting gay marriage on its political platform for the first time.

Two years ago, Wahls became a nationally known figure when his speech to the Iowa House of Representatives as they were debating gay marriage legislation was recorded, posted on YouTube and went viral. It was the , according to YouTube.