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

    mathisfun271

    75,204
    61,618
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    110 / 123 Holes

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    37 / 62 Langs

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    48 / 99 Cheevos

    📅

    12 Days of Christmas
    1,614th
    24 Game
    402nd
    99 Bottles of Beer
    1,216th
    Abundant Numbers
    1,697th
    Abundant Numbers (Long)
    1,337th
    Arabic to Roman
    959th
    Arithmetic Numbers
    911th
    Arrows
    1,005th
    Ascending Primes
    704th
    ASCII Table
    917th
    Billiards
    359th
    brainfuck
    862nd
    Card Number Validation
    725th
    Catalan Numbers
    479th
    Catalan’s Constant
    381st
    Christmas Trees
    1,470th
    Collatz
    1,375th 2,726th 1,204th
    CSS Colors
    967th 515th
    Cubes
    739th
    Day of Week
    1,330th765th
    DFA Simulator
    316th
    Diamonds
    748th
    Divisors
    3,485th 1,350th
    Emirp Numbers
    1,159th
    Emirp Numbers (Long)
    658th
    Emojify
    1,078th
    Evil Numbers
    45th
    Evil Numbers (Long)
    115th
    Factorial Factorisation
    509th
    Farey Sequence
    850th
    Fibonacci
    5,560th4,422nd6,505th3,584th3,038th9,034th1,873rd2,366th1,857th7,725th5,133rd3,445th5,923rd2,184th3,475th7,389th8,012th8,736th6,039th2,429th3,867th9,307th6,877th2,501st8,315th7,088th5,347th6,219th 687th6,604th4,342nd4,012th4,475th5,634th5,417th
    Fizz Buzz
    12,956th6,701st 7,173rd 2,276th
    Foo Fizz Buzz Bar
    1,057th
    Forsyth–Edwards Notation
    557th
    Fractions
    1,194th
    Game of Life
    496th
    Gijswijt’s Sequence
    427th
    Happy Numbers
    1,933rd
    Happy Numbers (Long)
    1,236th
    Hexdump
    522nd
    Intersection
    769th
    Inventory Sequence
    500th
    ISBN
    435th 850th
    Jacobi Symbol
    655th
    Kaprekar Numbers
    803rd
    Kolakoski Constant
    324th
    Kolakoski Sequence
    380th
    Leap Years
    1,311th
    Levenshtein Distance
    984th
    Leyland Numbers
    764th
    ln 2
    385th
    Look and Say
    769th
    Lucky Numbers
    854th
    Lucky Tickets
    500th
    Mahjong
    260th
    Maze
    474th
    Medal Tally
    404th
    Morse Decoder
    574th
    Morse Encoder
    511th
    Musical Chords
    439th
    N Queens
    382nd
    Niven Numbers
    1,993rd
    Niven Numbers (Long)
    987th
    Number Spiral
    588th
    Odious Numbers
    1,335th
    Odious Numbers (Long)
    1,121st
    Ordinal Numbers
    1,577th
    PalindromemordnilaP
    Pangram Grep
    802nd
    Pascal’s Triangle
    1,059th 1,259th
    Pernicious Numbers
    1,371st
    Pernicious Numbers (Long)
    764th
    Poker
    484th
    Polyominoes
    259th
    Prime Numbers
    2,424th
    Prime Numbers (Long)
    1,544th
    Proximity Grid
    418th
    QR Decoder
    341st
    Quine
    4,805th 3,018th 742nd
    Recamán
    706th
    Repeating Decimals
    499th
    Reverse Polish Notation
    735th
    Reversi
    405th
    Rijndael S-box
    1,164th 493rd
    Rock-paper-scissors-Spock-lizard
    677th
    Roman to Arabic
    798th
    Rule 110
    645th
    Seven Segment
    893rd
    SI Units
    327th
    Sierpiński Triangle
    692nd
    Smith Numbers
    659th
    Spelling Numbers
    721st
    Star Wars Opening Crawl
    301st
    Sudoku
    441st
    Sudoku (Fill-in)
    386th
    Ten-pin Bowling
    515th
    Time Distance
    469th
    Tongue-twisters
    1,146th
    Transpose Sentence
    606th
    United States
    804th
    Vampire Numbers
    555th
    Van Eck Sequence
    485th
    Zeckendorf Representation
    482nd
    Zodiac Signs
    577th
    γ
    289th
    λ
    484th
    π
    2,807th 478th
    τ
    475th
    φ
    531st
    √2
    518th
    𝑒
    642nd