"The Best Day" is a song written by Dean Dillon and Carson Chamberlain, and recorded by American country music singer George Strait.

It was released in January 2000 as the first single from his compilation album Latest Greatest Straitest Hits.

The song reached the top of the Billboard Hot Country Singles & Tracks chart.

The song is in the key of A major with a 4/4 time signature and a slow tempo of about 66 beats per minute.

[2] Larry Flick, of Billboard magazine reviewed the song favorably, calling it a "well-written tale that listeners will find easily relatable, and the chorus makes this the ultimate feel-good tune to kick off the millennium."