Hermione Granger Birthday Facts and Notable Birthday Moments

Hermione Granger’s birthday falls on September 19, 1979, which makes her older than both Harry and Ron. That single fact explains a great deal about the trio’s timeline and is one of the reasons Hermione’s birthday matters even without a famous birthday chapter of its own.

Because her birthday lands just after the school year begins, Hermione reaches key ages during term rather than over the summer. That makes the date feel distinctly tied to Hogwarts itself.

This is the kind of birthday page that works best through meaning rather than scene. Hermione’s date is important not because of presents, but because it quietly changes how the calendar of the whole series fits together.