July 31 is a big day for Harry Potter fans around the world.
It's author J.K. Rowling's birthday, she turned 54 today. Further it's the birthday of the boy wizard himself, Harry Potter. In Rowling's fictional "Harry Potter" world, her beloved boy wizard was born on July 31, 1980.
That would make him 39 this year.
Emma Watson, better known as Hermione Granger, sent out a tweet Wednesday featuring a "sexy and scary" throwback costume photo.
Rowling donned a horned mask, Watson was dressed as Wonder Woman and Evanna Lynch (Luna Lovegood) wore "the most perfect cat" outfit in the shot.
"You smashed this," Watson wrote, wishing Rowling "Happy Birthday!!!"
It all began today.
J.K Rowling was born.
Harry Potter was born.
Harry first knew he was a wizard.
This is where it all began.
31st July. pic.twitter.com/qQ885RQlE4
— harry potter stuff (@theHPfacts) July 31, 2019
— Emma Watson (@EmmaWatson) July 31, 2019
Other fans paid their own respects.
— Professor Snape (@_Snape_) July 31, 2019
Happy birthday to the boy who gave me the first magical experience in my life, to whom he taught me that you are always stronger than you think and also to always value family and friends ❤#HarryPotter pic.twitter.com/XwfEn0cdDV
— Veronica Rojas (@Rojasv_17) July 31, 2019
— Naomi Franquiz (@naomifranq) July 31, 2019
This article originally appeared on USA TODAY: Harry Potter birthday: Emma Watson sends J.K. Rowling 'sexy' photo