The Best Day is the fourth solo studio album by the American alternative rock musician Thurston Moore, released on October 20, 2014 on Matador Records.

[1] The Best Day was announced for release in March 2014 on Sonic Youth's official news blog.

[2] A month prior to its announcement, Moore released "Detonation" as a standalone 7-inch single, backed with "Germs Burn" as its B-side, on the independent English label Blank Editions as part of its Solo Series.

[3][4] A formal announcement of The Best Day, including cover art, a track listing and release dates, was made on August 20 by Matador Records.

Officially licensed streams of the album were made available on NPR Music and The Guardian's official web sites a week prior to its international release.