The Calendar hole will go live in approximately 13 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 400th Kacarott 🇦🇺 882 102 66ms 24 Sep 2024 402nd MeWhenI 🇻🇦 881 64 6ms 13 Aug 2024 403rd edsrzf 🇳🇿 880 103 44ms 14 May 2025 404th Steffan153 🇫🇮 880 113 448ms 25 Apr 2023 404th sean-niemann 🇺🇸 880 113 432ms 17 Jan 2024 406th GrayJoKing 🇦🇺 879 78 9ms 13 Jun 2025 407th jared-hughes 878 84 3ms 6 Apr 2022 407th mtirado1 878 84 3ms 17 Apr 2023 409th edsrzf 🇳🇿 878 102 377ms 4 Sep 2025 410th DialFrost 🇸🇬 877 57 9ms 27 Sep 2024 411th dokutan 877 70 1,519ms 19 Aug 2024 412th hyvyys 877 73 10ms 16 Sep 2020 412th uttumuttu 🇫🇮 877 73 10ms 4 Jan 2022 412th jbt 877 73 10ms 26 Dec 2023 412th mpn2005 877 73 9ms 19 Jun 2025 416th n1LS 877 90 12ms 8 Oct 2019 416th Lemonfrostt 877 90 12ms 14 Dec 2019 416th Bubbler-4 877 90 12ms 8 Feb 2022 416th jatloe 877 90 12ms 1 Oct 2024 416th sunleonid 877 90 14ms 26 days ago 421st nwellnhof 🇩🇪 876 53 45ms 24 Jun 2023 421st JayXon 🇺🇸 876 53 58ms 22 Feb 2025 423rd primo-ppcg 🇹🇭 876 58 926ms 8 Nov 2022 423rd JayXon 🇺🇸 876 58 924ms 20 Feb 2023 425th Feniske 🇫🇷 876 61 257ms 7 Nov 2022 426th typeswitch-dev 🇵🇹 876 95 15ms 28 Jul 2023 427th JayXon 🇺🇸 876 103 1,301ms 8 Feb 2022 428th JayXon 🇺🇸 876 120 25ms 19 Feb 2023 429th primo-ppcg 🇹🇭 876 128 41ms 26 Apr 2025 430th 2bular 874 54 35ms 15 Feb 2024 431st nwellnhof 🇩🇪 874 92 2ms 4 Oct 2020 431st sean-niemann 🇺🇸 874 92 3ms 6 Feb 2022 431st Lydxn 🇨🇦 874 92 3ms 11 Jun 2022 431st Steffan153 🇫🇮 874 92 3ms 25 Apr 2023 431st rhdqor213 874 92 3ms 25 Aug 2023 431st xsot 🇸🇬 874 92 2ms 30 Jan 2024 431st Alex-x90 🇺🇸 874 92 3ms 15 Feb 2024 431st DialFrost 🇸🇬 874 92 2ms 6 Mar 2024 431st ovs-code 🇩🇪 874 92 2ms 21 Mar 2024 431st GolfingSuccess 🇬🇷 874 92 2ms 6 Mar 2025 441st canissimia 🇦🇶 874 117 5ms 20 Nov 2021 442nd clockworknazo 873 76 9ms 10 Feb 2023 443rd ccbrown 873 142 280ms 20 Apr 2020 444th m-tkach 🇺🇦 871 138 27ms 29 Nov 2023 445th marcin7Cd 868 91 12ms 22 Apr 2020 445th vezzick 868 91 13ms 11 Mar 2021 445th neihousaigaai 868 91 12ms 8 May 2021 445th thatbirdguythatuknownot 868 91 16ms 2 Jan 2023 445th firegene 🇮🇪 868 91 12ms 3 Jan 2023 445th AlephSquirrel 868 91 12ms 6 Jan 2023 445th AlexanderFair 868 91 11ms 13 Jul 2023 445th cefqrn 868 91 12ms 19 Jun 2024 445th Bulmenisaurus 868 91 12ms 9 Jul 2024 445th Mukundan314 868 91 13ms 26 Apr 2025 455th lynn 867 131 177ms 24 Mar 2021 455th HPWiz 🇳🇿 867 131 190ms 22 Sep 2025 457th primo-ppcg 🇹🇭 867 143 280ms 18 Apr 2020 458th inventshah 865 71 1,549ms 10 Aug 2024 459th RobbertC5 865 74 9ms 20 May 2020 459th Maocx 865 74 10ms 21 May 2020 459th ArmaanAS 865 74 10ms 5 Feb 2021 459th MathisBullinger 865 74 10ms 16 Nov 2021 459th MadScience137 865 74 9ms 19 Oct 2022 459th coreynash 865 74 10ms 30 Nov 2023 465th filharmonista 864 93 2ms 13 Mar 2020 465th ccbrown 864 93 2ms 20 Apr 2020 465th prplz 🇦🇺 864 93 2ms 13 Feb 2022 465th JohandeRuiter 🇳🇱 864 93 3ms 14 Jul 2024 465th 09cf 864 93 2ms 16 Dec 2024 470th nwellnhof 🇩🇪 863 95 373ms 19 Apr 2023 470th tomtheisen 🇺🇸 863 95 391ms 10 Feb 2025 472nd MeWhenI 🇻🇦 863 105 107ms 13 Aug 2022 472nd sean-niemann 🇺🇸 863 105 105ms 26 Dec 2023 474th SirBogman 🇺🇸 862 62 446ms 14 Jun 2024 475th Steffan153 🇫🇮 862 77 5ms 9 Feb 2023 475th DialFrost 🇸🇬 862 77 5ms 10 Feb 2023 475th xsot 🇸🇬 862 77 5ms 29 Mar 2024 478th GrayJoKing 🇦🇺 862 93 5ms 20 Aug 2023 478th primo-ppcg 🇹🇭 862 93 4ms 20 Aug 2023 480th sisyphus-ppcg 🇦🇺 861 36 93ms 22 Jul 2022 First Prev 401–480 of 1,858 Next Last
