Daily News & Analysis | JK Rowling wishes James Sirius Potter all the best for his first day at Hogwarts Daily News & Analysis JK Rowling reminds Harry Potter fans on Twitter September 1 is the day his son James leaves for Hogwarts School. Harry Potter Image Source: Facebook. JK Rowlings asks Harry Potter fans to wish his son James Sirius Potter, "good luck" as he heads for ... Rowling wishes Harry Potter's son luck on 1st day at Hogwarts! JK Rowling announces Harry Potter's son is starting at Hogwarts Your Childhood Is Officially Over; Harry Potter's Son Starts at Hogwarts Today |