Because on that day The Beatles recorded 12 songs that would be included in their debut album Please Please Me. They started at 10 am in Studio 2 at Abbey Road and finished about 12 hours later around 10.45 pm.
Session 1 from 10 am till 1 pm:
- There's a place - Seventeen (later called "I saw her standing there")
Session 2 from 2.30 pm till 6pm
- A taste of honey - Do you want to know a secret - Misery
Session 3 from 7.30 pm till 10.45 pm
- Hold me tight - Anna - Boys - Chains - Baby it's you - Twist and Shout