The Beatles - A Day in The Life: June 24, 1967
Friday, June 23, 1967
Now just one day from The Big Event, the Beatles and EMI threw open the usually closed Abbey Road studio doors to more than a hundred journalists and photographers for a press-call that took up most of the late-morning. Between 2:00 and 4:00 pm there was a BBC camera rehearsal for the Beatles and their 13 plus conductor, and then between 5:00 and 8:00 pm everyone settled down to tape overdubs onto the "All You Need Is Love" rhythm track, made especially important by a new decision to swiftly issue "All You Need Is Love" as a single after the worldwide television boradcast.
Source: The Complete Beatles Chronicle - Mark Lewisohn