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    The Calendar hole will go live in approximately . Why not try and solve it ahead of time?

    Irratix 🇳🇱

    89,074
    90,439
    🥇91
    🥈5
    🥉13

    101 / 123 Holes

    🔣

    21 / 62 Langs

    🏆

    51 / 99 Cheevos

    📅

    3 Holes Authored

    12 Days of Christmas
    1,563rd 1,566th 799th 202nd 436th 1,365th
    99 Bottles of Beer
    1,861st 1,542nd 1,485th 125th 449th
    Abundant Numbers
    2,767th 634th1,040th541st 1,124th157th 3,069th438th 2,592nd 1,060th905th 1,945th
    Abundant Numbers (Long)
    1,045th 979th 213th 556th 284th
    Arabic to Roman
    1,114th 950th284th 1,178th 435th 498th
    Arithmetic Numbers
    5th
    Arrows
    583rd 285th 302nd
    Ascending Primes
    399th
    ASCII Table
    758th 776th 97th 1,076th
    brainfuck
    1,013th 809th 52nd 157th
    Card Number Validation
    119th
    Catalan Numbers
    894th 146th 42nd122nd
    Catalan’s Constant
    211th 204th
    Christmas Trees
    893rd 719th 102nd 1,776th380th 846th214th
    Collatz
    748th148th675th 1,396th 2,415th6th 600th1,291st
    CSS Colors
    362nd 308th 162nd 121st195th
    Cubes
    725th 773rd 177th 525th
    Day of Week
    138th
    Diamonds
    899th 958th 287th 425th827th
    Divisors
    4,582nd 1,516th1,865th2,185th 720th 4,055th1,434th 536th 28th813th 1,636th
    Emirp Numbers
    630th 850th 858th 1,003rd 1,209th353rd1,604th 261st561st 1,140th
    Emirp Numbers (Long)
    430th 353rd 521st
    Emojify
    219th 292nd
    Evil Numbers
    1,032nd642nd804th 937th 2,414th 3,352nd509th 45th1,810th 1,158th
    Evil Numbers (Long)
    814th 685th 472nd 112th
    Factorial Factorisation
    192nd
    Farey Sequence
    576th
    Fibonacci
    4,340th 746th988th641st 439th834th6,504th 6,658th214th 525th 4,441st 45th1,169th 1,057th
    Fizz Buzz
    4,995th 10,566th3,838th4,384th3,615th 5,197th6,110th5,219th 7,320th133rd 3,302nd2,052nd 5,399th769th532nd5,039th5,393rd
    Foo Fizz Buzz Bar
    1,687th1,770th1,677th 2,401st 1,904th750th 11th1,511th
    Forsyth–Edwards Notation
    286th
    Fractions
    647th 927th 573rd 780th10th
    Game of Life
    183rd
    Gijswijt’s Sequence
    194th
    Happy Numbers
    363rd 994th1,311th1,023rd 1,090th 1,053rd 1,894th369th 30th1,161st 1,584th
    Happy Numbers (Long)
    849th906th554th 858th 1,131st274th 329th889th
    Hexdump
    84th 371st
    Intersection
    549th 770th 51st 337th
    Inventory Sequence
    676th 601st 78th
    ISBN
    371st 527th 27th 309th
    Jacobi Symbol
    234th 238th 351st214th 215th
    Kolakoski Constant
    236th 192nd 46th 176th267th
    Kolakoski Sequence
    365th189th372nd 966th127th 538th534th
    Leap Years
    4,355th 670th555th273rd 941st253rd 3,465th45th 1,634th 2,621st1,221st1,693rd 1,268th
    Levenshtein Distance
    625th 636th 124th 293rd 719th3rd
    Leyland Numbers
    1,074th 999th 755th 419th 519th975th
    ln 2
    217th 358th
    Look and Say
    747th 81st 535th491st
    Lucky Numbers
    434th 620th523rd
    Lucky Tickets
    341st 105th 84th216th
    Maze
    227th
    Medal Tally
    131st
    Morse Decoder
    258th 175th 264th
    Morse Encoder
    235th 251st 738th 104th 238th
    Musical Chords
    210th
    Niven Numbers
    1,510th798th1,472nd 1,324th 1,580th 3,049th114th 926th 2,783rd643rd1,381st 1,217th
    Niven Numbers (Long)
    1,296th 1,218th 147th 1,106th
    Number Spiral
    194th 375th 243rd 428th
    Odious Numbers
    799th352nd738th 820th 2,136th 2,839th423rd 43rd1,402nd 734th
    Odious Numbers (Long)
    558th 588th 229th 41st
    Ordinal Numbers
    863rd 1,006th 1,251st 48th 1,192nd658th
    Pangram Grep
    1,550th 1,544th 59th 272nd1,293rd
    Pascal’s Triangle
    964th 915th 1,312th 598th 337th
    Pernicious Numbers
    281st 544th 1,724th 2,003rd156th 38th515th
    Pernicious Numbers (Long)
    817th 700th 636th 894th
    Poker
    103rd 191st
    Prime Numbers
    1,165th1,515th1,127th 1,305th1st3,189th168th 2,912th 285th506th 1,978th
    Prime Numbers (Long)
    788th893rd851st 1,230th1st1,999th183rd 513th 104th1,192nd 1,059th
    Proximity Grid
    94th
    QR Decoder
    116th 177th
    Quine
    33rd 4,233rd 3,795th234th 163rd5,239th
    Recamán
    265th 14th 713th 647th
    Repeating Decimals
    258th
    Reverse Polish Notation
    171st 593rd
    Rijndael S-box
    227th
    Rock-paper-scissors-Spock-lizard
    135th 293rd
    Roman to Arabic
    507th 44th157th
    Rule 110
    234th 106th 369th350th
    Scrambled Sort
    334th
    Seven Segment
    501st 439th 136th 186th
    SI Units
    133rd
    Sierpiński Triangle
    157th174th130th 759th52nd 221st228th 496th
    Smith Numbers
    923rd 451st493rd489th 378th 673rd218th 254th
    Spelling Numbers
    110th 630th
    Star Wars Opening Crawl
    272nd
    Sudoku
    110th 213th
    Sudoku (Fill-in)
    207th 295th
    Ten-pin Bowling
    208th
    Time Distance
    108th 322nd
    Tongue-twisters
    976th 1,131st 237th 920th
    United States
    73rd 303rd
    Vampire Numbers
    546th 201st 103rd313th
    Van Eck Sequence
    770th 646th 1,016th 220th 935th
    Zodiac Signs
    93rd 235th
    γ
    83rd 98th
    λ
    1,396th 1,149th 1,134th 1,174th263rd 315th1,549th
    π
    391st 320th880th
    τ
    286th 290th730th
    φ
    730th 1,079th143rd 173rd840th
    √2
    742nd 1,190th200th 537th977th
    𝑒
    873rd 752nd 934th 481st 636th711th