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

    Recent Solutions

    Hole Golfer Bytes Time Submitted
    Morse Decoder FortuiteMan 183
    Christmas Trees Lv0Sys 79
    Minesweeper blaztoma 139
    Calendar rucin93 99
    Collatz enigma 75
    12 Days of Christmas AnAwesomGuy 462
    ASCII Table AnAwesomGuy 121
    Calendar Mukundan314 101
    Morse Decoder blaztoma 158
    Card Number Validation benanlam 320
    Calendar lukegustafson 99
    Calendar qpwoeirut 101
    Day of Week jared-hughes 92
    Calendar HPWiz 104
    Cubes epic-programmer-guy 327
    Fibonacci jhallgreen 38
    Fizz Buzz jhallgreen 62
    Zeckendorf Representation FortuiteMan 135
    Calendar Emutis 99
    DFA Simulator CornerMercury 156
    Calendar pardouin 99
    Tower of Hanoi enigma 59
    Cubes CornerMercury 192
    Seven Segment CornerMercury 143
    Tower of Hanoi taifu 60
    Proximity Grid CornerMercury 195
    Diamonds TheZwierzLF 174
    Tutorial enigma 69
    Continued Fractions Matter1024 136
    Farey Sequence Bmrl7 104
    Calendar msbranicky 109
    Collatz AdrienHache 75
    Catalan Numbers AdrienHache 🥇 44
    Reverse Polish Notation TheZwierzLF 219
    Factorial Factorisation TheZwierzLF 177
    Happy Numbers (Long) TheZwierzLF 125
    12 Days of Christmas TheZwierzLF 472
    Semiprime Numbers HumanoidCPU 120
    Lucky Numbers Mukundan314 56
    Partition Numbers Bmrl7 142
    Emirp Numbers (Long) H3XDaemon 95
    Calendar Bmrl7 128
    Zodiac Signs Florian-Mt 331
    Emirp Numbers H3XDaemon 79
    Tower of Hanoi Bmrl7 78
    Happy Numbers (Long) Florian-Mt 136
    Star Wars GPT HPWiz 145
    Tower of Hanoi emgordon154 57
    Polygon Triangulations albanian-laundromat 175
    Fibonacci benanlam 67
    Polyominoes YAJUE114514 248
    PalindromemordnilaP xsot 84
    Proximity Grid bizy-coder 149
    12 Days of Christmas benanlam 588
    Tower of Hanoi JayXon 🥇 52
    Calendar enigma 101
    Smith Numbers CornerMercury 122
    γ CornerMercury 113
    99 Bottles of Beer logalex8369 359
    Hexagonal Spiral bitsandbeyond 163
    Calendar blaztoma 99
    λ CornerMercury 183
    Medal Tally CornerMercury 146
    Diamonds NoneTheFewer 269
    Christmas Trees NoneTheFewer 158
    Card Number Validation NoneTheFewer 263
    brainfuck NoneTheFewer 812
    Tower of Hanoi CornerMercury 54
    Arabic to Roman logalex8369 222
    ASCII Table NoneTheFewer 283
    12 Days of Christmas NoneTheFewer 584
    Intersection NoneTheFewer 302
    Calendar Lv0Sys 145
    Prime Numbers AdrienHache 41
    N Queens blaztoma 148
    Calendar luuumine 103
    Pangram Grep YAJUE114514 86
    Rule 110 YAJUE114514 112
    Tower of Hanoi SB-945 74
    Look and Say Seek64 83