Does Anybody Really Know What Time It Is?" by the band Chicago.It was written and sung by Robert Lamm and was included on their 1969 debut album, Chicago Transit Authority. While it was on their first album, it wasn't released as a single until October 1970, after two other hits from their second album. It went on to become a Top 10 hit, peaking at #7 on the US Billboard Hot 100 chart. | Mark Hall

Chicago /CTA “Does Anybody Really Know What Time It Is?” ❤️ AUG 7 1974 - The rock group Chicago performs at the Caribou Ranch near Nederland, Colo. in August 1974, as part of the Meanwhile, back at the Ranch special. This is a song written and sung by Robert Lamm and recorded by the group Chicago. It was included on their 1969 debut album Chicago Transit Authority and released as a single in 1970. According to Robert Lamm, “Does Anybody Really Know What Time It Is?” was the first song recorded f