The Big Church Festival, formally known as Big Church Day Out, is a Christian non-profit music festival created by Tim Jupp, a founding member of Delirious?,[1] taking place in Wiston, West Sussex, England, known for its contemporary Christian music.

The festival has different genres of music, such as Christian rock, contemporary worship music, gospel, and Christian rap.

[citation needed] In 2011, the length of the festival was reduced to two days, and the number of attendees decreased to 20,000.

[2] Since 2012, attendance has returned over 25,000 people each year at the BCDO South festival in West Sussex.

[4] Rock bands and artists who have previously appeared at the event include YFriday, for KING & COUNTRY, Switchfoot, Casting Crowns, Newsboys, Delirious?, Jesus Culture, BOSH, Rend Collective, Matt Redman, Martin Smith, LZ7, Lecrae, The Abrams, Mica Paris, Pat Barrett, Joshua Luke Smith, Elle Limebear, Jeremy Camp, Dance Like Kings and more.