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 chars. 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 Chars Time Submitted 798th sisyphus-ppcg 🇦🇺 739 87 12ms 1 Nov 2020 798th inventshah 739 87 12ms 10 May 2021 798th Sp3000 🇦🇺 739 87 11ms 23 May 2021 798th enbyte 739 87 12ms 7 Jun 2021 798th lovernj 739 87 13ms 21 Jan 2022 798th Bonjour27891 🇻🇳 739 87 13ms 9 Feb 2022 798th jared-hughes 739 87 12ms 9 Feb 2022 798th primo-ppcg 🇹🇭 739 87 11ms 13 Feb 2022 798th lynn 739 87 13ms 13 Feb 2022 798th stefangimmillaro 739 87 12ms 17 May 2022 798th Seek64 🇩🇪 739 87 13ms 2 Jun 2022 798th nwellnhof 🇩🇪 739 87 12ms 2 Jun 2022 798th Eilonlif 🇮🇱 739 87 12ms 11 Sep 2022 798th Alex-x90 🇺🇸 739 87 11ms 18 Feb 2023 798th InigoK 🇺🇸 739 87 12ms 10 Jun 2023 798th bizy-coder 739 87 11ms 22 Jul 2023 798th minhtrancccp 739 87 12ms 27 Sep 2023 798th stertooy 🇧🇪 739 87 13ms 14 Jun 2024 798th croc54 739 87 12ms 15 Dec 2024 798th kops-cg 739 87 12ms 14 Feb 2025 798th andrewjc2000 739 87 12ms 6 Mar 2025 798th 4atj 739 87 13ms 30 Jun 2025 798th blaztoma 🇱🇹 739 87 12ms 3 Oct 2025 798th ryyyn 🇺🇸 739 87 12ms 2 Nov 2025 825th lynn 739 124 15ms 9 Dec 2021 826th GrayJoKing 🇦🇺 737 79 143ms 4 Aug 2024 827th albanian-laundromat 737 141 3ms 3 Jul 2025 828th xAlien95 736 122 107ms 16 Jul 2020 829th MeWhenI 🇻🇦 735 34 86ms 25 Aug 2022 830th Attero 🇸🇪 735 81 9ms 25 Sep 2023 831st primo-ppcg 🇹🇭 735 102 143ms 25 Dec 2020 832nd Shanethegamer 🇺🇸 735 124 38ms 28 Jun 2022 833rd KatieLG 🇬🇧 734 60 34ms 2 Oct 2025 834th Aurel300 🇨🇭 734 148 154ms 6 Jun 2024 834th The3gs 734 148 146ms 29 Nov 2024 836th kkoenig 734 168 272ms 13 Sep 2024 837th MeWhenI 🇻🇦 734 209 1,762ms 7 Nov 2025 838th MeWhenI 🇻🇦 733 86 265ms 15 Feb 2023 839th Lv0Sys 🇵🇱 733 99 2ms 15 days ago 840th postie77 733 111 417ms 26 May 2023 840th janbehrens 🇩🇪 733 111 336ms 5 Dec 2023 840th Shanethegamer 🇺🇸 733 111 370ms 26 Mar 2024 840th pardouin 🇫🇷 733 111 375ms 26 Oct 2024 844th cbrt-x 733 154 179ms 10 Oct 2023 844th YAJUE114514 733 154 177ms 16 Aug 2025 846th GolfingSuccess 🇬🇷 733 199 39ms 15 Mar 2023 847th Shanethegamer 🇺🇸 732 51 3ms 26 Apr 2023 848th jackkav 732 87 10ms 24 Oct 2019 848th jake-freeman 732 87 10ms 27 May 2020 850th DialFrost 🇸🇬 731 77 493ms 16 Jan 2024 850th rucin93 🇵🇱 731 77 352ms 16 Jan 2024 850th m-tkach 🇺🇦 731 77 364ms 20 Jan 2024 853rd LogicalJoe 731 88 12ms 25 Oct 2022 853rd bricknellj 731 88 12ms 29 Dec 2022 853rd nayakrujul 731 88 12ms 1 Feb 2023 853rd 2011-Chan-Ethan 731 88 12ms 20 Jul 2023 853rd ldoney 731 88 15ms 21 Aug 2023 853rd FlorianCassayre 🇫🇷 731 88 13ms 18 Sep 2023 853rd 5cw 🇺🇸 731 88 12ms 15 Jun 2024 860th GrayJoKing 🇦🇺 731 90 12ms 7 Apr 2021 861st HumanoidCPU 730 123 102ms 21 Mar 2024 862nd Shanethegamer 🇺🇸 729 76 4ms 13 Aug 2024 862nd GolfingSuccess 🇬🇷 729 76 6ms 16 Aug 2024 864th albanian-laundromat 729 125 43ms 19 Aug 2025 865th mousetail 🇳🇱 729 149 146ms 22 Dec 2022 866th DialFrost 🇸🇬 728 80 134ms 29 Oct 2024 867th rak1507 🇬🇧 728 155 180ms 21 Jan 2021 867th annaproxy 728 155 184ms 4 Sep 2022 867th yzhs 🇩🇪 728 155 178ms 26 Jun 2023 870th annaproxy 727 112 340ms 20 Mar 2022 871st oddvalue 726 82 6ms 4 Aug 2023 872nd Shanethegamer 🇺🇸 725 69 1,085ms 2 Nov 2024 873rd iczelia 🇩🇪 725 100 2ms 16 Oct 2025 874th Shanethegamer 🇺🇸 725 123 1,579ms 30 Oct 2024 875th primo-ppcg 🇹🇭 724 150 171ms 9 Jan 2020 875th WhoisDavid 724 150 158ms 15 Sep 2020 877th lowlighter 723 88 10ms 30 Oct 2020 877th Athe81 723 88 10ms 4 Nov 2020 877th Re-Adventures 🇮🇳 723 88 9ms 21 Apr 2023 877th Protothor 723 88 10ms 12 Jun 2025 First Prev 801–880 of 1,849 Next Last