The Calendar hole will go live in approximately 28 hours. 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 721st Attero 🇸🇪 881 497 1ms 3 Apr 2020 722nd Natanaelel 🇸🇪 881 505 114ms 11 Mar 2022 722nd eddiesmithxyz 881 505 120ms 7 Jan 2023 724th stellartux 880 472 282ms 25 Dec 2023 725th jws305 880 482 386ms 21 Nov 2021 725th RainOrigami 🇩🇪 880 482 381ms 21 Dec 2021 725th sean-niemann 🇺🇸 880 482 2ms 16 Jan 2022 728th rowan-OzRunways 880 507 88ms 15 Aug 2020 728th HumanoidCPU 880 507 93ms 5 May 2024 730th Attero 🇸🇪 880 519 650ms 1 May 2020 731st Shanethegamer 🇺🇸 880 525 179ms 11 Dec 2022 732nd aspett 879 448 69ms 16 May 2022 733rd BobbyGerace 879 463 9ms 21 May 2021 733rd raphaelimahorn 879 463 9ms 17 Aug 2021 733rd olivermrose 🇺🇸 879 463 8ms 10 Oct 2021 733rd stefangimmillaro 879 463 9ms 23 Apr 2023 733rd ryanocf 879 463 9ms 16 Jan 2024 733rd two-bad 🇬🇧 879 463 9ms 3 Feb 2024 733rd targrik 879 463 9ms 7 Feb 2025 733rd dokutan 879 463 9ms 20 Apr 2025 741st sisyphus-ppcg 🇦🇺 879 469 9ms 11 Nov 2020 741st argusdusty 🇺🇸 879 469 9ms 25 Dec 2020 741st jacklynnepenick 879 469 9ms 10 Aug 2021 741st Thestralos 879 469 9ms 24 Feb 2023 741st quimey 879 469 9ms 23 Mar 2023 741st Keegan-T 🇨🇦 879 469 10ms 20 Sep 2023 741st Entropite 879 469 9ms 20 Aug 2024 741st croc54 879 469 9ms 13 Dec 2024 741st Pyroan 879 469 9ms 22 Feb 2025 741st now4est 🇯🇵 879 469 10ms 24 Sep 2025 751st dokutan 879 485 3ms 21 Apr 2025 752nd JOrE20 🇺🇸 879 506 122ms 1 Nov 2025 753rd sean-niemann 🇺🇸 879 511 52ms 17 Jan 2022 754th NewDefectus 🇮🇱 879 546 25ms 1 Sep 2021 755th lynn 878 447 34ms 3 Apr 2021 756th zdzc 878 470 9ms 3 Feb 2018 756th celynw 878 470 9ms 26 Dec 2018 756th petroselo 878 470 9ms 11 Apr 2022 756th Just4FunCoder 878 470 9ms 26 Oct 2022 756th PATTRIM 878 470 9ms 4 Jan 2023 756th mbittner20 878 470 9ms 8 Feb 2023 756th 2011-Chan-Ethan 878 470 10ms 9 Jul 2023 756th GeneralPoxter 878 470 10ms 7 Dec 2023 756th cuboids 878 470 9ms 16 Jul 2024 756th thoraage 878 470 10ms 21 Oct 2024 756th starfihs 878 470 9ms 28 Dec 2024 756th To5BG 878 470 9ms 16 Nov 2025 756th iliaspapa 878 470 9ms 19 days ago 769th jahakari 878 483 392ms 21 Nov 2021 769th SmartK8 🇨🇿 878 483 415ms 30 Oct 2022 769th speles 🇺🇦 878 483 1ms 29 Oct 2023 772nd msbranicky 878 526 184ms 6 Oct 2023 772nd dokutan 878 526 117ms 17 Oct 2024 774th gutierrezm00 877 444 35ms 16 Apr 2020 774th Shanethegamer 🇺🇸 877 444 35ms 28 Jul 2021 776th didion0 🇺🇸 877 464 9ms 8 Jan 2021 776th CatsAreFluffy 877 464 9ms 18 Dec 2022 776th iliazeus 877 464 9ms 10 Mar 2023 776th TheRealOhead 🇺🇸 877 464 8ms 29 Mar 2023 776th crammond 877 464 9ms 14 Aug 2023 776th Maznek 877 464 9ms 27 Dec 2023 776th thadeucity 877 464 9ms 23 May 2025 776th alexsave 877 464 9ms 16 Sep 2025 784th retrohun 877 476 4ms 20 Dec 2023 785th CaedenHarper 🇨🇦 877 521 479ms 10 Oct 2025 786th PiterAnnema 876 471 9ms 30 Aug 2020 786th wirewolf010 876 471 9ms 3 Jan 2022 786th CedricGebistorf 876 471 9ms 25 Feb 2022 786th jmerle 🇳🇱 876 471 9ms 22 Jun 2023 786th JunkIce 876 471 9ms 24 Sep 2024 786th lukelarson 876 471 9ms 22 Apr 2025 786th Flekay 🇩🇪 876 471 9ms 10 Jul 2025 786th smaass 876 471 9ms 12 Jul 2025 786th jacklee1792 876 471 9ms 6 Aug 2025 795th iznax 876 484 366ms 21 Nov 2021 795th leth4 876 484 382ms 5 Jul 2023 797th Irratix 🇳🇱 876 508 116ms 18 Nov 2021 798th KatieLG 🇬🇧 876 527 265ms 25 Sep 2022 798th kimbo 🇺🇸 876 527 262ms 11 Jan 2023 800th DialFrost 🇸🇬 875 445 37ms 1 Jun 2024 First Prev 721–800 of 3,989 Next Last
