J.K. Rowling celebrates Hogwarts Day with fellow Potterheads, but makes hilarious mistake

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Happy Hogwarts Day

Today is the day that all Potterheads have been dreaming about...Hogwarts Day!

SEE ALSO: 8 things you didn't know about Harry Potter

Thanks to the genius J.K. Rowling, on this day 25 years ago, the boy who lived arrived at Platform 9 3/4 at Kings Cross Station for the very first time.

Up to this point, all witches and wizards, muggle born or pure bloods, have been anxiously awaiting to go to school back at the famous Hogwarts School of Witchcraft and Wizardry. Trunks in hand, all students make their way onto the Platform on the first day of September to arrive at Hogsmeade to start their wizarding journey.

Because the world is a truly magical place, King Cross Station notified all passengers of that the Hogwarts Express would be arriving at 11:30 AM to pick up witches and wizards only.

Of course, every Potter fan took to social media to express their excitement!

Even Oliver Phelps, the actor who played George Weasley got in on the fun.

Perhaps, one of the funniest tweets comes from the creator herself, J.K. Rowling. The author tweeted, and then deleted, congratulations to Albus Severus Potter on his first day at Hogwarts. However, fans were quick to point out that that day wouldn't come for another year. The Queen of course issued a quick apology.

Don't fret though if you didn't receive your Hogwarts letter this year, or you unsuccessfully made it through Platform 9 3/4, you can always attend the Harry Potter festival in Philadelphia this October!

Check out more Harry Potter fun in the gallery below!

28 PHOTOS
Inside the Wizarding World of Harry Potter
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Inside the Wizarding World of Harry Potter
UNIVERSAL CITY, CALIFORNIA - APRIL 05: View of Hogwarts Castle at the opening Of 'The Wizarding World Of Harry Potter' at Universal Studios Hollywood on April 5, 2016 in Universal City, California. (Photo by Todd Williamson/Getty Images)
An interior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
A guest looks to purchase a magic wand inside Ollivanders during a soft opening and media tour of "The Wizarding World of Harry Potter" theme park at the Universal Studios Hollywood in Los Angeles, California in this picture taken March 22, 2016. REUTERS/Kevork Djansezian
Guests shop inside Dervish and Banges general store in Hogsmeade Village during a soft opening and media tour of "The Wizarding World of Harry Potter" theme park at the Universal Studios Hollywood in Los Angeles, California in this picture taken March 22, 2016. REUTERS/Kevork Djansezian
Novelties sit inside Weasleys' Wizard Wheezes during a media preview for The Wizarding World of Harry Potter-Diagon Alley at the Universal Orlando Resort in Orlando, Florida June 19, 2014. The new attraction, which opens to the public on July 8, expands the original Harry Potter world, which opened in 2010 and is modeled after Hogsmeade Village, which is located near the Hogwarts School of Witchcraft and Wizardry where the series' leading character Harry Potter begins his magical adventures. REUTERS/David Manning (UNITED STATES - Tags: ENTERTAINMENT SOCIETY)
Guests look at a display of candy inside the Honeydukes sweets shop in Hogsmeade Village during a soft opening and media tour of "The Wizarding World of Harry Potter" theme park at the Universal Studios Hollywood in Los Angeles, California in this picture taken March 22, 2016. REUTERS/Kevork Djansezian
View of the train in Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
View of the train in Hogsmeade at the Grand Opening to the public of the 'Wizarding World of Harry Potter' at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
Fans discover Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
Fans walk through Hogsmeade at the Grand Opening to the public of the 'Wizarding World of Harry Potter' at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
Fans read the Hogsmeade newspaper at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
A waiter serves butterbeer in Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
Fans experiment the interactive wand on some of the window in Hogsmeade at the Grand Opening of the 'Wizarding World of Harry Potter' to the public at Universal Studios Hollywood, in Universal City, California, on April 7, 2016. Fifteen years after Harry Potter's first big screen adventure, Universal is enchanting a new generation of Muggles with its most spectacular conjuring trick yet -- a theme park in the heart of Hollywood. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
UNIVERSAL CITY, CALIFORNIA - APRIL 07: A general view of atmosphere at the Official Opening Of 'The Wizarding World Of Harry Potter' At Universal Studios Hollywood at Universal Studios Hollywood on April 7, 2016 in Universal City, California. (Photo by Gabriel Olsen/FilmMagic)
UNIVERSAL CITY, CALIFORNIA - APRIL 07: A general view of the atmosphere during the official opening of 'The Wizarding World Of Harry Potter' At Universal Studios Hollywood on April 7, 2016 in Universal City, California. (Photo by Tommaso Boddi/WireImage)
LOS ANGELES, USA - APRIL 6: People visit shops at Hogsmeade village in 'Wizarding World of Harry Potter' theme park at Universal Studios Hollywood, in Los Angeles, USA on April 6, 2016. (Photo by Mintaha Neslihan Eroglu/Anadolu Agency/Getty Images)
LOS ANGELES, USA - APRIL 6: Store keeper poses in front of a shop at Hogsmeade village in 'Wizarding World of Harry Potter' theme park at Universal Studios Hollywood, in Los Angeles, USA on April 6, 2016. (Photo by Mintaha Neslihan Eroglu/Anadolu Agency/Getty Images)
LOS ANGELES, USA - APRIL 6: People visit Hogsmeade village in 'Wizarding World of Harry Potter' theme park at Universal Studios Hollywood, in Los Angeles, USA on April 6, 2016. (Photo by Mintaha Neslihan Eroglu/Anadolu Agency/Getty Images)
An interior view of Magic Wand hop in Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood, in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An interior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An interior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
An exterior view of Hogwarts is seen during the 'Wizarding World of Harry Potter Opening' press preview at Universal Studios Hollywood in Studio City, California, on April 6, 2016. / AFP / VALERIE MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)
UNIVERSAL CITY, CALIFORNIA - APRIL 05: A general view of the atmosphere during the Universal Studios Hollywood Hosts The Opening Of 'The Wizarding World Of Harry Potter' at Universal Studios Hollywood on April 5, 2016 in Universal City, California. (Photo by Tommaso Boddi/WireImage)
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