Mark Hamill has been celebrating Star Wars Day every day so far.

May 4 is the official day, also called May The Fourth Be With You.

On May 1, Mark tweeted, “May The First Not Be The Worst With You.”

On May 2, he tweeted, “May The Second You Get Home Call So I Don't Worry.”

On May 3, he tweeted, “May The Third Word Be Bird Bird Bird_Bird Is The Word.”

“May The Third Word Be ‘Third,’” he added.

On May 4, he tweeted, “May The Fourth Be Just Another Random Day To Some...”

“But we know better,” he added.

He followed it up with the hashtag #MayThe4thBeWithYou.