The Calendar hole will go live in approximately 11 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 38ms 22 Feb 2023 882nd dokutan 871 477 314ms 19 Jun 2024 883rd prestosilver 🇺🇸 871 511 384ms 2 days ago 884th guliyevemil1 🇦🇿 871 530 262ms 16 Apr 2020 884th yamhab 🇨🇦 871 530 139ms 13 Sep 2023 886th sean-niemann 🇺🇸 870 430 2ms 3 Jan 2024 886th neel11235813 870 430 2ms 26 Mar 2024 888th indented-automation 870 459 268ms 7 May 2024 889th emgordon154 870 463 1,003ms 21 Jul 2024 890th dsntzn 🇸🇰 870 468 9ms 9 Aug 2020 890th lowlighter 870 468 9ms 30 Oct 2020 890th SpareManiKatti 870 468 9ms 11 Sep 2021 890th akshatj27 🇦🇶 870 468 9ms 11 Jan 2022 890th pineapplebox 870 468 9ms 11 Feb 2022 890th Cazka 870 468 9ms 12 Feb 2022 890th BambooleanLogic 🇸🇪 870 468 8ms 19 Oct 2023 897th wazawoo 870 474 9ms 21 Oct 2018 897th EManLava 870 474 9ms 8 May 2020 897th Ellipsibus 870 474 9ms 2 Aug 2022 897th mosho-p 870 474 10ms 13 Oct 2022 897th yoka255 870 474 10ms 25 Mar 2023 897th mattf1n 870 474 10ms 25 Oct 2023 897th elgan65536 870 474 9ms 15 Apr 2024 897th LuisGoncalves05 🇵🇹 870 474 10ms 18 Jul 2025 897th RaBa21 🇭🇺 870 474 9ms 21 Jul 2025 897th AstroOrbis 870 474 10ms 25 days ago 907th Timwi 870 487 395ms 4 Dec 2024 908th Shanethegamer 🇺🇸 870 511 133ms 9 Jun 2022 909th prplz 🇦🇺 870 516 82ms 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 42ms 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 dokutan 868 464 991ms 21 Apr 2025 918th mintypython 868 469 8ms 19 Oct 2018 918th rexim 868 469 9ms 28 Aug 2020 918th DaCuteRaccoon 868 469 9ms 30 Nov 2022 921st lucadonini96 868 475 9ms 17 Apr 2020 921st Hydrophobefireman 868 475 9ms 17 Jul 2020 921st dourvaris 868 475 16ms 9 Aug 2020 921st DeFilippis 868 475 9ms 9 Feb 2021 921st cubed-guy 868 475 9ms 17 Oct 2021 921st Bonjour27891 🇻🇳 868 475 9ms 13 Mar 2022 921st Trunksistor 🇫🇷 868 475 10ms 21 Apr 2022 921st AbelPelser 868 475 9ms 2 Jul 2022 921st DaCuteRaccoon 868 475 9ms 1 Oct 2022 921st brochmann 🇸🇪 868 475 10ms 18 Oct 2022 921st thehylian 868 475 9ms 27 Dec 2022 921st jumelet 🇳🇱 868 475 9ms 2 Jan 2023 921st tvcv901 868 475 9ms 26 Feb 2023 921st dev-Thae 868 475 10ms 6 Nov 2023 921st Techdude01 868 475 10ms 22 Dec 2023 921st rsgray 868 475 13ms 8 Jan 2024 921st yousefalizadeh 868 475 9ms 3 Oct 2024 921st CoolBvll 868 475 10ms 12 Jun 2025 921st Andrey2001 868 475 10ms 26 days ago 940th lynn 868 528 12ms 17 Nov 2021 941st fpesce 868 532 266ms 18 Mar 2022 942nd comp0zr 867 449 43ms 27 Sep 2023 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 953rd Sakaala 866 476 9ms 23 Apr 2019 953rd petar-donchev 866 476 9ms 4 Dec 2020 953rd jiaminglimjm 🇲🇾 866 476 9ms 15 Jan 2021 953rd rowboat1 866 476 12ms 19 Jun 2022 953rd prestonfu 866 476 10ms 6 Jul 2022 953rd SocialFault 866 476 9ms 21 Aug 2022 953rd 0-4849 866 476 9ms 30 Oct 2022 953rd tsidwick 866 476 9ms 20 Dec 2023 First Prev 881–960 of 3,962 Next Last
