The Calendar hole will go live in approximately 13 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 720th cake287 881 505 120ms 7 Jan 2023 722nd stellartux 880 472 334ms 25 Dec 2023 723rd sean-niemann 🇺🇸 880 482 2ms 16 Jan 2022 724th rowan-OzRunways 880 507 88ms 15 Aug 2020 724th HumanoidCPU 880 507 93ms 5 May 2024 726th Attero 🇸🇪 880 519 650ms 1 May 2020 727th Shanethegamer 🇺🇸 880 525 179ms 11 Dec 2022 728th aspett 879 448 69ms 16 May 2022 729th BobbyGerace 879 463 9ms 21 May 2021 729th raphaelimahorn 879 463 9ms 17 Aug 2021 729th olivermrose 🇺🇸 879 463 8ms 10 Oct 2021 729th stefangimmillaro 879 463 9ms 23 Apr 2023 729th ryanocf 879 463 9ms 16 Jan 2024 729th two-bad 🇬🇧 879 463 9ms 3 Feb 2024 729th targrik 879 463 9ms 7 Feb 2025 729th dokutan 879 463 9ms 20 Apr 2025 737th sisyphus-ppcg 🇦🇺 879 469 9ms 11 Nov 2020 737th argusdusty 🇺🇸 879 469 9ms 25 Dec 2020 737th jacklynnepenick 879 469 9ms 10 Aug 2021 737th Thestralos 879 469 9ms 24 Feb 2023 737th quimey 879 469 9ms 23 Mar 2023 737th Keegan-T 🇨🇦 879 469 10ms 20 Sep 2023 737th Entropite 879 469 9ms 20 Aug 2024 737th croc54 879 469 9ms 13 Dec 2024 737th Pyroan 879 469 9ms 22 Feb 2025 737th now4est 🇯🇵 879 469 10ms 24 Sep 2025 747th jws305 879 482 386ms 21 Nov 2021 747th RainOrigami 🇩🇪 879 482 381ms 21 Dec 2021 749th dokutan 879 485 3ms 21 Apr 2025 750th JOrE20 🇺🇸 879 506 122ms 1 Nov 2025 751st sean-niemann 🇺🇸 879 511 63ms 17 Jan 2022 752nd NewDefectus 🇮🇱 879 546 25ms 1 Sep 2021 753rd lynn 878 447 34ms 3 Apr 2021 754th zdzc 878 470 9ms 3 Feb 2018 754th celynw 878 470 9ms 26 Dec 2018 754th petroselo 878 470 9ms 11 Apr 2022 754th Just4FunCoder 878 470 9ms 26 Oct 2022 754th PATTRIM 878 470 9ms 4 Jan 2023 754th mbittner20 878 470 9ms 8 Feb 2023 754th 2011-Chan-Ethan 878 470 10ms 9 Jul 2023 754th GeneralPoxter 878 470 10ms 7 Dec 2023 754th cuboids 878 470 9ms 16 Jul 2024 754th thoraage 878 470 10ms 21 Oct 2024 754th starfihs 878 470 9ms 28 Dec 2024 754th To5BG 878 470 9ms 16 Nov 2025 754th iliaspapa 878 470 9ms 8 days ago 767th jahakari 878 483 392ms 21 Nov 2021 767th SmartK8 🇨🇿 878 483 415ms 30 Oct 2022 767th speles 🇺🇦 878 483 1ms 29 Oct 2023 770th msbranicky 878 526 184ms 6 Oct 2023 770th dokutan 878 526 117ms 17 Oct 2024 772nd gutierrezm00 877 444 35ms 16 Apr 2020 772nd Shanethegamer 🇺🇸 877 444 35ms 28 Jul 2021 774th didion0 🇺🇸 877 464 9ms 8 Jan 2021 774th CatsAreFluffy 877 464 9ms 18 Dec 2022 774th iliazeus 877 464 9ms 10 Mar 2023 774th TheRealOhead 🇺🇸 877 464 8ms 29 Mar 2023 774th crammond 877 464 9ms 14 Aug 2023 774th Maznek 877 464 9ms 27 Dec 2023 774th thadeucity 877 464 9ms 23 May 2025 774th alexsave 877 464 9ms 16 Sep 2025 782nd retrohun 877 476 4ms 20 Dec 2023 783rd CaedenHarper 🇨🇦 877 521 479ms 10 Oct 2025 784th PiterAnnema 876 471 9ms 30 Aug 2020 784th wirewolf010 876 471 9ms 3 Jan 2022 784th CedricGebistorf 876 471 9ms 25 Feb 2022 784th jmerle 🇳🇱 876 471 9ms 22 Jun 2023 784th JunkIce 876 471 9ms 24 Sep 2024 784th lukelarson 876 471 9ms 22 Apr 2025 784th Flekay 🇩🇪 876 471 9ms 10 Jul 2025 784th smaass 876 471 9ms 12 Jul 2025 784th jacklee1792 876 471 9ms 6 Aug 2025 793rd iznax 876 484 366ms 21 Nov 2021 793rd leth4 876 484 384ms 5 Jul 2023 795th SubsTheTechnomancer 876 500 1ms 1 Mar 2023 795th snoozingnewt 🇨🇦 876 500 1ms 23 Sep 2023 795th neel11235813 876 500 1ms 26 Mar 2024 795th synt7x 🇺🇸 876 500 1ms 5 Jul 2025 799th Irratix 🇳🇱 876 508 116ms 18 Nov 2021 800th KatieLG 🇬🇧 876 527 265ms 25 Sep 2022 First Prev 721–800 of 3,958 Next Last
