"I Didn't Know What Time It Was" is a popular song from the 1939 musical Too Many Girls.
Composed by Richard Rodgers, with lyrics by Lorenz Hart, the song was first performed by Richard Kollmar and Marcy Westcott in the original stage production.
Released in 1939 as a standalone single by Richard Kollmar, the song quickly gained popularity. It was also featured in the 1940 film adaptation of Too Many Girls, performed by Trudy Erwin (dubbing for Lucille Ball) and Richard Carlson.
Over the years, "I Didn't Know What Time It Was" has become a jazz standard, with notable renditions by artists such as Benny Goodman, Jimmy Dorsey, Ella Fitzgerald, and Frank Sinatra, who performed it in the 1957 film Pal Joey.
