The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
12 Days of Christmas in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 880th Haksell 🇦🇶 871 447 33ms 22 Feb 2023 882nd dokutan 871 477 270ms 19 Jun 2024 883rd Timwi 871 487 395ms 4 Dec 2024 884th prestosilver 🇺🇸 871 511 384ms 7 days ago 885th guliyevemil1 🇦🇿 871 530 262ms 16 Apr 2020 885th yamhab 🇨🇦 871 530 127ms 13 Sep 2023 887th sean-niemann 🇺🇸 870 430 2ms 3 Jan 2024 887th neel11235813 870 430 2ms 26 Mar 2024 889th indented-automation 870 459 250ms 7 May 2024 890th emgordon154 870 463 1,003ms 21 Jul 2024 891st dsntzn 🇸🇰 870 468 9ms 9 Aug 2020 891st lowlighter 870 468 9ms 30 Oct 2020 891st SpareManiKatti 870 468 9ms 11 Sep 2021 891st akshatj27 🇦🇶 870 468 9ms 11 Jan 2022 891st pineapplebox 870 468 8ms 11 Feb 2022 891st Cazka 870 468 9ms 12 Feb 2022 891st BambooleanLogic 🇸🇪 870 468 8ms 19 Oct 2023 898th wazawoo 870 474 9ms 21 Oct 2018 898th EManLava 870 474 9ms 8 May 2020 898th Ellipsibus 870 474 9ms 2 Aug 2022 898th mosho-p 870 474 10ms 13 Oct 2022 898th yoka255 870 474 10ms 25 Mar 2023 898th mattf1n 870 474 10ms 25 Oct 2023 898th elgan65536 870 474 9ms 15 Apr 2024 898th LuisGoncalves05 🇵🇹 870 474 10ms 18 Jul 2025 898th RaBa21 🇭🇺 870 474 9ms 21 Jul 2025 898th AstroOrbis 870 474 10ms 24 Nov 2025 908th Shanethegamer 🇺🇸 870 511 133ms 9 Jun 2022 909th prplz 🇦🇺 870 516 59ms 4 Jan 2022 910th janbehrens 🇩🇪 870 525 428ms 17 Jun 2023 911th jvdp1 870 549 40ms 24 Dec 2020 911th stefangimmillaro 870 549 41ms 31 May 2025 913th blaztoma 🇱🇹 869 448 36ms 13 Oct 2025 914th Yewzir 🇧🇪 869 484 126ms 27 Mar 2024 915th initram 869 488 380ms 21 Nov 2021 915th stefangimmillaro 869 488 416ms 20 Jun 2025 917th comp0zr 868 449 37ms 27 Sep 2023 918th dokutan 868 464 991ms 21 Apr 2025 919th mintypython 868 469 8ms 19 Oct 2018 919th rexim 868 469 9ms 28 Aug 2020 919th DaCuteRaccoon 868 469 9ms 30 Nov 2022 922nd lucadonini96 868 475 9ms 17 Apr 2020 922nd Hydrophobefireman 868 475 9ms 17 Jul 2020 922nd dourvaris 868 475 16ms 9 Aug 2020 922nd DeFilippis 868 475 9ms 9 Feb 2021 922nd cubed-guy 868 475 9ms 17 Oct 2021 922nd Bonjour27891 🇻🇳 868 475 9ms 13 Mar 2022 922nd Trunksistor 🇫🇷 868 475 10ms 21 Apr 2022 922nd AbelPelser 868 475 9ms 2 Jul 2022 922nd DaCuteRaccoon 868 475 9ms 1 Oct 2022 922nd brochmann 🇸🇪 868 475 10ms 18 Oct 2022 922nd thehylian 868 475 9ms 27 Dec 2022 922nd jumelet 🇳🇱 868 475 9ms 2 Jan 2023 922nd tvcv901 868 475 9ms 26 Feb 2023 922nd dev-Thae 868 475 10ms 6 Nov 2023 922nd Techdude01 868 475 10ms 22 Dec 2023 922nd rsgray 868 475 13ms 8 Jan 2024 922nd yousefalizadeh 868 475 9ms 3 Oct 2024 922nd CoolBvll 868 475 10ms 12 Jun 2025 922nd Andrey2001 868 475 10ms 24 Nov 2025 941st lynn 868 528 12ms 17 Nov 2021 942nd fpesce 868 532 266ms 18 Mar 2022 943rd msbranicky 867 492 2ms 20 Jan 2025 944th neel11235813 867 547 24ms 12 Jan 2023 944th aviyanp 867 547 25ms 15 Oct 2025 946th Arkaedan 866 461 239ms 27 Jul 2020 947th alexkunin 866 470 9ms 4 Jul 2019 947th guliyevemil1 🇦🇿 866 470 9ms 20 Apr 2020 947th RedstoneTim 866 470 9ms 30 Jun 2021 947th Tejas-H5 866 470 9ms 10 Apr 2022 947th kordrun 866 470 8ms 27 Jun 2022 947th JOrE20 🇺🇸 866 470 9ms 1 Nov 2025 947th XenThe 🇬🇧 866 470 10ms 9 hours ago 954th Sakaala 866 476 9ms 23 Apr 2019 954th petar-donchev 866 476 9ms 4 Dec 2020 954th jiaminglimjm 🇲🇾 866 476 9ms 15 Jan 2021 954th rowboat1 866 476 12ms 19 Jun 2022 954th prestonfu 866 476 10ms 6 Jul 2022 954th SocialFault 866 476 9ms 21 Aug 2022 954th 0-4849 866 476 9ms 30 Oct 2022 First Prev 881–960 of 3,976 Next Last
