The Harry Potter universe is filled with many intricate details that, when taken out of context, can mislead audiences into forming incorrect perceptions. Below are 10 details that long-time fans may think they know, but in reality, are not entirely accurate.
Hogwarts Acceptance on 11th Birthday
This misconception arises from the fact that the protagonist, Harry Potter, receives his acceptance letter to Hogwarts when he turns 11. However, in the magical world, acceptance into Hogwarts is not solely tied to one’s birthday; it actually happens on the same day for all students (and those about to become students), which may be a few weeks before the official school year begins.

Ravenclaw’s Symbol is a Raven
Many fans assume that the emblem of Ravenclaw House is a raven due to its name. In reality, the symbol is an eagle. The name “Ravenclaw” comes from the fact that it is associated with the color blue, which is also reminiscent of a raven.

Durmstrang and Beauxbatons are Single-Sex Schools
In the fourth installment, “Harry Potter and the Goblet of Fire,” the introduction of these two schools leads many to believe that they only accept students of one gender (at least as depicted in the films). However, both Durmstrang and Beauxbatons have both male and female students, much like Hogwarts. Additionally, these schools also accommodate students over 17 years old (the age required to participate in the Triwizard Tournament) at Hogwarts.

Good Characters Cannot Use Dark Magic
The notion that only evil characters can wield dark magic in Harry Potter is inaccurate. In “Harry Potter and the Order of the Phoenix,” fans can clearly see Dolores Umbridge using dark spells for her own benefit.

Horcruxes are Immortal Souls
In the series, Voldemort uses Horcruxes to regain life after death. This interpretation is misleading as Horcruxes are merely vessels containing fragments of a soul, not a guarantee of immortality. Additionally, the act of splitting one’s soul is inherently linked to committing murder, and the existence of Horcruxes does not signify a person’s continued existence beyond death.

Time Travel Can Alter Major Events
Many fans theorize that characters could use time travel via the Time-Turner to change significant events. However, the reality is that any changes made would lead to alternate timelines and would not necessarily change the original events, similar to situations depicted in other media.

Polyjuice Potion Does Not Alter Voice
This misconception is often seen when characters use Polyjuice Potion in the films. In the books, the potion not only changes the physical appearance of the drinker but also alters their voice to match their new identity.

Two Wands Connect When They Duel
Fans often enjoy the iconic moments when wands clash, especially during the duels between Harry and Voldemort. However, this connection is not a universal occurrence during every duel. In fact, the connection between their wands occurs due to the fact that they share a core from the same source.

Hogwarts is a Wizarding School in England
While it’s commonly believed that Hogwarts is located in England, the truth is that it is situated in Scotland. Platform 9¾ at King’s Cross Station is indeed in England, and Harry Potter’s story begins in England, but the school itself is in the Scottish Highlands.

Flying Brooms Can Be Used Without a Wand
In the films, many characters (usually on the dark side) seem to fly on their brooms without the need for a wand. However, in the books, this ability has never been confirmed, and only Voldemort has been depicted as being able to do so.

Source: Screen Rant