London: Author J K Rowling has wished Harry Potter'son 'good luck' on his first day at Hogwarts School of Witchcraft and Wizadry.

According to the saga's timeline, September 1 is the day that James Sirius Potter will be charging through to platform 9 and 3/4 at King's Cross station in London to embark on the magical journey.

J.K. Rowling
J.K. Rowling. Pic/AFP

As fans of the books and films know, Harry Potter's son - who he named after his father James and godfather Sirius Black - was due to start school on this very date. The book's author, who is adding to her world on the big screen with prequel Fantastic Beasts and Where to Find Them, sent fans into a frenzy as she took to Twitter to wish Harry's son him all the best, The Mirror reported. "I'm in Edinburgh, so could somebody at King's Cross wish James S Potter good luck for me? He's starting at Hogwarts today," Rowling tweeted.

A barrage of tweets of support and messages from fans poured in after Rowling's tweet. "Enjoy the next seven years of your life, James S Potter. Ain't it grand? A new generation of witches and wizards!" a Harry Potter enthusiast wrote.

Another excited fan said, "Good luck James S Potter. I'll see you at the platform!" Harry Potter is a series of seven fantasy novels written by Rowling. The series chronicles the adventures of a young wizard, Harry Potter, the titular character, and his friends< Ronald Weasley and Hermione Granger, all of whom are students at Hogwarts School of Witchcraft and Wizardry.