The big One Direction announcement is here--1D Day!

What is 1D Day?

Niall tweeted: "Guys we have something big to tell you !! get ready for 1D DAY"

This is big. Seven (7!) hours of live stream footage of Niall, Harry, Louis, Harry, Liam and Zayn.

And some celebrity guests too.

Mark it on your calendars and rest up for the big 1D Day, coming November 23, 2013.

So, who is able to clear their calendars for seven full hours of One Direction goodness?

Something tells us Directioners will get it done.

The guys explain it all in the video, but check out the 1DDay.com website for all the details.

The site describes the event: "1D Day is an exciting opportunity for everyone everywhere to take part in a unique global event, providing an exclusive insight into the lives of One Direction - and the people around them. 1D Day will consist of a seven hour stream, filmed live from a television studio and comprising a whole host of special features, celebrity guests and content created by you."

We can't wait!

Gallery | One Direction Sightings!
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