when did twilight come out

The first Twilight movie came out in theaters on November 21, 2008 in the United States.

If you were actually asking about the original Twilight book , that was first published in 2005.

So in fandom time: book in 2005, movie in 2008, and the rest of the saga followed almost every year after that.

TL;DR:

• Twilight book release: 2005.

• Twilight movie theatrical release (US): November 21, 2008.

Information gathered from public forums or data available on the internet and portrayed here.