Welcome to the The Harry Potter Lexicon
The most compleat and amazing reference to the wonderful world of Harry Potter
est. 2000 A.D.
Phase of the Moon: Waxing Crescent
5 GBP = 1 Galleon 
Hogwarts Castle: Floor by Floor – Introduction
These floor plans of every level of Hogwarts castle, researched and created by Harper Robinson, take the the tiniest of details from the books into account — read Harper’s notes below and be amazed — as well as the standard structure and architecture of castles over the centuries. While not canon, this map is certainly one of the most well-researched and… Read More
Magical Transportation
Witches and wizards use magical means to move from place to place. They can use spells, specifically Apparition, and personal devices such as brooms. However, various forms of public transit are also available. All forms of magical transportation, both personal and public, are regulated and controlled by the Department of Magical Transportation. Personal forms of Transportation Apparition (esp. GF6, OP7)… Read More
Timeline Facts and Questions
One of the more interesting mysteries about the Harry Potter universe is when the stories in the books take place. There have been a lot of discussions and debates about this subject and some fans have done amazingly detailed research trying to determine the years involved. This page presents some of the intriguing timeline-related details in the books. Recently, Rowling… Read More
Hogwarts Letter mysteries: Who delivers them and when?
Everybody knows that your Hogwarts letter should arrive on your eleventh birthday. But careful reading suggests that no, it doesn't. Harry's only did by coincidence. The first letter actually arrived on July 24. It was only because of Read More
What really happened on the night James and Lily were killed? A Timeline and Commentary
This analysis was originally written in 2001, after the publication of Goblet of Fire. It’s still around in its original form (and in the original format of Lexicon pages!). What you will read here has been revised and updated over the years to incorporate much of what we now know about the pivotal events of October 31, 1981. The most… Read More
A silvery doe appears and leads Harry to the Sword of Gryffindor
On watch in the Forest of Dean, Harry sees a silvery doe and follows it to discover Gryffindor’s sword in a frozen lake; when he tries to get it, Ron appears, saves Harry’s life when the locket tries to strangle him it the water, and uses the sword to destroy the locket Horcrux. Harry later discovers that the doe was Snape’s… Read More
The Norwegian translation of “Quidditch” is “Rumpeldunk.”… Read More
“Beds empty! No note! Car gone … could have crashed … out of my mind with worry …”… Read More
Latest from the Lexicon Blog
The Cauldron: Where Science and Magic meet
• Article
Character Quotes
• Article
The editor for the Characters section of the Lexicon was Lisa Bunker who was also the founder of Accio Quote. So it was a natural fit for her to collect quotes by and about the main characters in the books as she worked to bring each character’s biography up to date. Read More
The Harry Potter Companion - UPDATE
• Article
Quotes and Mis-Quotes
• Article
We all know the quotes. They’re turned into memes, they’re spouted by cosplayers — they seem to define the characters who said them. Except DID they say them? In many cases, the answer is no. Yes, Quirrel did say “Troll — in the dungeons — thought you ought to know” (PS10)… Read More