Leonard's Age: The Big Bang Theory Secret Revealed!

Both leonard and sheldon are 27, but sheldon is 3 months older than leonard. Both raj and howard are 25, but outside of being said to be older than raj, howards actual birthday is. A big bang theory casting secret revealed: 22 jan 2025 during an episode of young sheldon, fans noticed that the credit scenes revealed each character's age, giving them a timeline on how old they were on the bing bang theory. Sheldon, leonard, penny, raj, howard, bernadette, and amy's ages can be inferred based on clues, birthdays, and references from both shows, revealing their different stages of life.

Along with sheldon cooper,. 14 feb 2024 given that leonard was born on may 17th, 1980 and received his phd at 24, that would make him 27 at the start of the series. Over time, he develops a greater sense of self. That means leonard got his phd when he was only 23 or 24 (or younger) and rajesh got his when he was even younger.