I Didn't Know What Time It Was

"I Didn't Know What Time It Was" is a popular song composed by Richard Rodgers with lyrics by Lorenz Hart for the 1939 musical Too Many Girls.

Introduced by Richard Kollmar and Marcy Westcott in the stage musical,[1] early hit versions were recorded by Benny Goodman (vocal by Louise Tobin) and by Jimmy Dorsey (vocal by Bob Eberly).

[2] It was then performed by Trudy Erwin (dubbing for Lucille Ball) and Richard Carlson in the 1940 film adaptation produced by RKO.

[3] The song was later interpolated into the score of the 1957 film Pal Joey, sung by Frank Sinatra, and has become a jazz standard.

Apart from those listed, there are hundreds more versions of the song.