The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
Ordinal Numbers 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 797th jfallon1997 790 100 13ms 17 Aug 2022 797th StefanHabel 🇨🇦 790 100 12ms 20 Dec 2022 797th thehylian 790 100 11ms 25 Dec 2022 797th ssbhatt4321 790 100 18ms 27 Oct 2023 797th Andriamanitra 🇫🇮 790 100 13ms 20 Jun 2024 806th CatsAreFluffy 789 57 4ms 23 Jan 2023 807th Babafaba 788 102 2ms 10 Oct 2025 808th Shanethegamer 🇺🇸 788 133 3ms 10 Sep 2022 808th inventshah 788 133 3ms 11 Sep 2022 810th proton 🇩🇪 787 59 50ms 20 Jun 2020 811th SirBogman 🇺🇸 787 78 374ms 16 Jan 2024 811th sisyphus-ppcg 🇦🇺 787 78 390ms 17 Jan 2024 811th duckyluuk 🇳🇱 787 78 515ms 27 Mar 2024 811th MeWhenI 🇻🇦 787 78 365ms 24 May 2024 815th GrayJoKing 🇦🇺 787 111 166ms 20 May 2022 816th jared-hughes 787 123 446ms 17 Jul 2022 817th lynn 786 60 34ms 13 Feb 2022 818th AdrienHache 🇫🇷 786 67 54ms 13 Dec 2024 819th prplz 🇦🇺 786 68 635ms 5 Jun 2020 820th primo-ppcg 🇹🇭 786 114 357ms 15 Jan 2021 821st Shanethegamer 🇺🇸 785 97 100ms 14 Oct 2022 822nd voytxt 🇨🇿 784 232 459ms 28 Feb 2025 823rd MeWhenI 🇻🇦 783 97 3,817ms 27 Oct 2024 824th GolfingSuccess 🇬🇷 782 95 18ms 6 Mar 2025 825th ian-h-chamberlain 🇺🇸 782 101 12ms 8 Jan 2020 825th LlamaLad7 🇬🇧 782 101 12ms 23 Jan 2021 825th mauro-1 🇮🇹 782 101 12ms 17 Aug 2021 825th za3k 782 101 12ms 12 Oct 2022 829th dokutan 782 134 3ms 29 Jun 2024 829th albanian-laundromat 782 134 6ms 2 days ago 831st revlayle 🇺🇸 781 105 338ms 21 Nov 2021 831st Steffan153 🇫🇮 781 105 333ms 28 Jan 2023 833rd elgan65536 781 140 166ms 10 Apr 2024 834th DayDun 🇸🇪 780 82 11ms 22 Jan 2023 834th CatsAreFluffy 780 82 10ms 18 Feb 2023 836th RussellEmerine 779 146 175ms 30 Nov 2019 836th guliyevemil1 🇦🇿 779 146 174ms 25 Apr 2020 838th lynn 777 49 3ms 3 Apr 2021 839th edsrzf 🇳🇿 777 98 107ms 8 Nov 2025 840th stefangimmillaro 775 98 4,344ms 30 Oct 2024 841st nipzu 775 141 169ms 13 Jan 2022 841st Shanethegamer 🇺🇸 775 141 150ms 16 Sep 2024 843rd Shanethegamer 🇺🇸 774 96 15ms 5 Oct 2021 843rd DialFrost 🇸🇬 774 96 17ms 9 Dec 2024 845th petar-donchev 774 102 12ms 26 Aug 2019 845th jiaminglimjm 🇲🇾 774 102 11ms 12 Dec 2019 845th Malin001 774 102 12ms 4 Jan 2020 845th adamcbrown 774 102 11ms 22 Aug 2020 845th lukasthaler 774 102 12ms 11 Sep 2020 845th hiddicop 🇸🇪 774 102 12ms 25 Jan 2021 845th harrymwilkins 🇬🇧 774 102 12ms 20 Jul 2021 845th sleepyStick 774 102 12ms 8 Dec 2021 845th Trunksistor 🇫🇷 774 102 14ms 14 Apr 2022 845th jhpaques 🇫🇷 774 102 13ms 2 Aug 2022 845th n0Oo0Oo0b 774 102 20ms 28 Dec 2022 845th yishayv 774 102 11ms 23 Jan 2023 845th fourth-bit 774 102 12ms 11 Jul 2023 845th quimey 774 102 11ms 2 Aug 2023 845th Mabeloid 🇳🇴 774 102 12ms 4 Oct 2024 845th dokutan 774 102 19ms 19 Mar 2025 861st m-tkach 🇺🇦 774 125 469ms 23 Aug 2022 862nd DialFrost 🇸🇬 773 61 34ms 27 Jan 2023 863rd Irratix 🇳🇱 773 104 3ms 13 Feb 2022 863rd m-tkach 🇺🇦 773 104 2ms 23 Aug 2022 865th MeWhenI 🇻🇦 773 106 337ms 26 Jul 2023 865th stefangimmillaro 773 106 357ms 26 Jul 2023 865th sean-niemann 🇺🇸 773 106 400ms 9 Aug 2024 868th m-tkach 🇺🇦 773 136 25ms 20 Feb 2023 869th MeWhenI 🇻🇦 773 254 12ms 21 Apr 2025 870th janbehrens 🇩🇪 772 78 7ms 5 Dec 2023 870th mpn2005 772 78 9ms 3 Nov 2024 870th DialFrost 🇸🇬 772 78 9ms 6 Sep 2025 873rd mintypython 771 83 9ms 14 Aug 2019 873rd fitzdotlol 🇺🇸 771 83 10ms 8 Mar 2022 873rd inventshah 771 83 9ms 23 Aug 2022 873rd adamnielson42 🇺🇸 771 83 9ms 25 Apr 2023 873rd TheDarkThatBarks 771 83 10ms 28 Jan 2024 878th janbehrens 🇩🇪 771 85 370ms 5 Dec 2023 879th primo-ppcg 🇹🇭 771 117 1,333ms 10 Feb 2022 879th lynn 771 117 1,301ms 17 Feb 2023 First Prev 801–880 of 1,861 Next Last