The Lexicon

Day-to-Day Calendar of Chamber of Secrets

Day-to-Day Calendar of Chamber of Secrets

NOTE: This calendar is NOT formatted for smaller screens. We are working to create a version which will work on any size device, but that’s a bit trickier than you might think with the calendar layout. Since this is a direct port from an outdated system, some of the formatting might be a bit wonky and some links may not work. 

“Very well, so you found out where the entrance was — breaking a hundred school rules into pieces along the way, I might add — but how on earth did you all get out of there alive, Potter?”
— Minerva McGonagall

The calendars which follow were carefully researched and are based on various references in the canon. The only specific reference to the year in the books is the date on Nearly Headless Nick’s Deathday cake in this book. That date, by which we can determine that book two takes place in 1992-93, has been verified by Rowling. Warner Bros. has stated that a short timeline for the series was approved by her for the release of the DVD of Chamber of Secrets. According to that Official Timeline (CS/dvd), Harry Potter was born on July 31, 1980. Therefore the events of this book begin on July 31, 1992, Harry’s 12th birthday.

Events which are specifically listed on that timeline are indicated on this calendar in red.

Curiously,Valentine’s Day in 1993 fell on a Sunday. It seems unlikely that Hogwarts holds classes on Sunday, but as Harry was on his way to Charms class when he was stopped late on Valentine’s Day afternoon by the dwarf with the singing Valentine, we’re stuck with it.

July 1992 – July 1993 
JUL – AUG – SEP – OCT – NOV – DEC – JAN – FEB – MAR – APR – MAY – JUN

SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY references
26 27 28 29 30 31
Harry’s 12th birthdaydinner party with the MasonsDobby visits HarryHarry receives a warning by owl from the Ministry of Magic
Aug 1
bars put on Harry’s window
CS1CS2
Aug 2 3
nine Ministry raids overnightHarry rescued by flying car
4
Harry arrives at the Burrow in time for breakfast
5 6 7 8 CS3
Aug 9 10 11 12
letters from schoolQuidditch practice in the Weasleys’ paddock
CS4
Aug 16 17 18 19
trip to Diagon AlleyHarry accidentally visits Knockturn AlleyLockhart book signing at Flourish & Blotts
20 21 22 CS4
Aug 23 24 25 26 27 28 29
Aug 30 31
end of holidaysdinner and fireworks at the Burrow
Sept 1
trip on the Hogwarts Expressbarrier closedRon and Harry travel by flying car to schoolGinny Weasley is Sorted into Gryffindor
2
first day of termRon receives a Howler from his mother
3
double herbologytransfigurationlunchDADA Lockhart gives a quiz about himself, then unleashes Cornish pixies
4
charms (AM)
5
dawn Quidditch practiceRon’s slug attackdetentions
8pm-midnight:
Ron polishes trophies, Harry answers fan mailHarry hears the basilisk’s voice for the first time
CS5CS6,CS7
Sept 6 7 8 9 10 11 12
Sept 13 14 15 16 17 18 19
Hermione’s birthday
PA4,HBP17,HBP18,HBP22,JKR
Sept 20 21 22 23 24 25 26
Sept 27 28 29 30 Oct 1 2 3 CS8
cold and flu going around
Oct 4 5 6 7 8 9 10
Oct 11 12 13 14 15 16 17
Oct 18 19 20 21 22 23 24
Quidditch practice in the rainHarry caught by Filch “befouling the castle,” rescued by Nearly Headless Nick
CS8(cont.)
Oct 25 26 27 28 29 30 31
HALLOWEENNearly Headless Nick’s 500th Deathday Party 7pmHarry hears voice for second timefirst attack: Mrs. Norris petrified
CS8(cont.)
Nov 1 2 3 4
potions right before lunchlunchHistory of Magic discussion of Chamber legendfirst visit to Moaning Myrtle’s bathroom
5
DADA
after which
Hermione gets Lockhart’s signature for Most Potente Potions and
they get the book from the library
6 7
Quidditch: Gryffindor vs. Slytherin, 11am
Gryffindor winsrogue Bludger breaks Harry’s arm, Lockhart then debones the arm
CS9,CS10
Nov 8
very early AM
Dobby visits Harry in hospital
also:
second attack: Colin Creevey petrifiedHermione and Ron work on potion in bathroom
9
rumors flying, roaring trade in amulets and talismans
10 11 12 13 14 CS11
Nov 15 16 17 18 19 20 21 CS11
Nov 22 23 24 25 26 27 28 CS11
Nov 29 30 Dec 1 2 3 4 5 CS11
Dec 6
polyjuice potion half finished
7
McGonagall takes names of those staying at Hogwarts over Christmas
8 9 10
double potions (afternoon) during which
Hermione steals potion supplies from Snape’s office
11 12 CS11
Dec 13 14 15 16 17
dueling club 8pm, Great HallHarry speaks Parseltongueblizard begins
18
blizzard covers schoollast herbology class of term cancelledsecond rooster killedthird attack: Justin Fitch-Fletchley and Nearly Headless Nick petrified transfiguration
19 CS11
Dec 20 21
End of TermHogwarts Express back to London
22 23 24 25
CHRISTMASnoon feastpolyjuice potion finished, Harry and Ron “become” Crabbe and GoyleHermione in hospital with furry face and tail
26 CS12
Dec 27 28 29 30 31 Jan 1 2 CS12 
Hermione in hospital
Jan 3
Hogwarts Express back to school
4
start of term
5 6 7 8 9 CS13 
Hermione in hospital
Jan 10 11 12 13 14 15 16 CS13 
Hermione in hospital
Jan 17 18 19 20 21 22 23 CS13 
Hermione in hospital
Jan 24 25 26 27 28 29 30 CS13 
Hermione in hospital
Jan 31 Feb 1
Hermione leaves hospital
2 3 4 5 6 CS13
mandrakes are getting secretive and moody
Feb 7 8 9 10 11 12 13 CS13
Feb 14
Lockhart’s Very Special Valentine’s DayCharms (PM)Harry talks to Tom Riddle by means of the diary
15 16 17 18 19 20 CS13
Feb 21 22 23 24 25 26 27 CS14
Feb 28 Mar 1
Ron’s birthday
2 3 4 5 6 CS14
Mar 7 8 9 10 11 12 13 CS14
Mar 14 15 16 17 18 19 20 CS14
Mar 21 22 23 24 25 26 27 CS14
Mar 28 29 30 31 Apr 1
the twins’ birthday
2 3 CS14
(cont.)
Apr 4 5 6 7 8 9 10 CS14
Apr 11
Easter Sunday
12 13 14 15 16 17 CS14
Apr 18 19 20 21 22 23 24 CS14
Apr 25 26 27 28 29 30 May 1 CS14
May 2 3 4 5 6 7 8
Quidditch: Gryffindor vs. Hufflepuff match cancelledfourth attack: Hermione Granger and Penelope Clearwater petrifiedDumbledore removed as headmasterHagrid taken to Azkaban
CS14
May 9 10 11 12 13 14 15 CS14 
Hermione in hospital
May 16 17 18 19 20 21 22 CS14 
Hermione in hospital
May 23 24
potionsherbologyDADAHarry and Ron meet Aragog in the Forbidden Forest late at night
25
transfiguration
26 27 28 29
mandrakes are ready for cuttingGinny taken into ChamberHarry, Ron, Lockhart enter Chamber at sunsetHarry defeats Tom Riddle in the Chamber of Secrets
CS15,CS16,CS17 
Hermione in hospital
May 30
Lucius Malfoy sacked as school governorDobby freedearly AM feastall victims un-petrifiedHagrid returns 3:30 AM
31 June 1
exams (cancelled)
2 3 4 5 CS18
June 6 7 8 9 10 11 12 CS18
June 13 14 15 16 17 18 19
Hogwarts Express back to London
CS18
June 20 21 22
Dudley’s birthday
23 24 25 26
Ron tries to call Harry on the telephone
PA1
June 27 28 29 30 July 1 2 3 PA1
July 4 5 6 7 8 9 10 PA1
July 11 12 13 14 15 16 17 PA1
July 18 19 20 21 22 23 24 PA1

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