Birthday Muggles

Dudley Dursley is born

Dudley Dursley is born

Timeline Notes

How do we know when Dudley's birthday is? Well, we know that Harry's is July 31. A week before his birthday in 1991, on July 24, Harry begins getting letters from Hogwarts. At this point, Harry is given Dudley's second bedroom, where he discovers Dudley's "month-old" video camera, broken (PS3). That camera was given to Dudley for a birthday present (PS2) on Dudley's birthday, which must therefore be about a month before July 24.

No, wait, there's more. We know that in the year Harry turned 11, Harry's birthday was on a Tuesday (PS3) and Dudley's was on a Saturday (PS2). Counting back a month from Tuesday, July 24, we find that the nearest Saturday is the 23rd. So regardless of the year in which this is taking place, Dudley's birthday is almost certainly on June 23.

Dudley is born
Date June 23rd, 1980
Certainty Inferred from canon
Location in Canon PS3 PS2
Type of Event Muggle world

Commentary

Pensieve (Comments)

  • Caiden Scott

    All your facts line up, but there is still one thing bothering me. In Harry Potter and the Philosopher’s/ Sorcerer’s Stone, Chapter 3: The Letters From No One, it States the following. “The escape of the Brazilian boa constrictor earned Harry his longest-ever punishment. By the time he was allowed out of his cupboard again, the summer holidays had started …” This implies that Dudley’s birthday was before school had ended. July 23 does not seem like the right date for children to still be at school. Thoughts?

    • In Britain, it is common for the summer term to end around the end of June, so it does make sense. We see this at Hogwarts as well — at the end of HBP, Dumbledore is killed on June 30, which is just before the end of term.

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