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 316th adamnielson42 🇺🇸 893 72 12ms 14 Apr 2023 316th 5quiwyrm 893 72 12ms 12 Nov 2024 316th plcc0 893 72 13ms 8 Mar 2025 324th sean-niemann 🇺🇸 893 73 83ms 29 May 2025 325th JayXon 🇺🇸 892 78 174ms 7 Apr 2023 326th xnor-gate 891 122 156ms 30 Oct 2022 326th andersk 🇺🇸 891 122 157ms 30 Oct 2022 328th MeWhenI 🇻🇦 890 74 13ms 27 Nov 2022 329th Shanethegamer 🇺🇸 888 71 411ms 1 Sep 2021 330th DialFrost 🇸🇬 887 69 5ms 17 Mar 2025 330th xsot 🇸🇬 887 69 6ms 6 Jul 2025 332nd error256 887 87 114ms 7 Jun 2025 333rd sean-niemann 🇺🇸 886 79 12ms 16 Aug 2025 334th JayXon 🇺🇸 886 100 390ms 23 Jul 2025 335th btnlq 885 92 361ms 15 Mar 2023 336th didion0 🇺🇸 884 72 10ms 22 Feb 2022 336th itsh01 884 72 9ms 12 Sep 2022 338th JayXon 🇺🇸 882 85 110ms 24 May 2025 339th vezzick 881 73 13ms 11 Mar 2021 339th Fishron 881 73 12ms 20 Oct 2021 339th Irratix 🇳🇱 881 73 18ms 7 May 2022 339th jakobkordez 🇸🇮 881 73 13ms 13 Nov 2022 339th emgordon154 881 73 12ms 14 Apr 2025 339th DrakeSeteraO 881 73 12ms 27 Oct 2025 339th snoozingnewt 🇨🇦 881 73 12ms 24 days ago 346th Steffan153 🇫🇮 881 74 75ms 27 Jan 2023 347th primo-ppcg 🇹🇭 881 83 3ms 13 Feb 2022 347th Waffle3z 881 83 5ms 16 Feb 2022 347th GalladeGuy 🇺🇸 881 83 3ms 30 Mar 2022 347th Shanethegamer 🇺🇸 881 83 3ms 26 Apr 2023 347th GoateSo 881 83 3ms 26 Jul 2023 347th jacobly0 🇺🇸 881 83 3ms 31 Aug 2023 347th FlyingPenguin223 881 83 3ms 15 Oct 2024 354th JayXon 🇺🇸 881 118 3ms 12 Feb 2023 355th edsrzf 🇳🇿 880 90 6ms 18 Jun 2025 356th JayXon 🇺🇸 880 112 502ms 12 Feb 2023 357th primo-ppcg 🇹🇭 878 48 2ms 10 Nov 2022 358th primo-ppcg 🇹🇭 877 56 7ms 1 Dec 2019 358th sisyphus-ppcg 🇦🇺 877 56 13ms 9 Feb 2022 360th 386asm 🇺🇸 877 104 39ms 27 Apr 2023 361st duckyluuk 🇳🇱 876 77 10ms 13 Jun 2025 362nd marshallward 🇺🇸 876 127 40ms 6 May 2025 363rd KasperKivimaeki 🇫🇮 874 83 3ms 2 Feb 2024 364th GrayJoKing 🇦🇺 874 94 13ms 10 Aug 2023 365th btnlq 873 105 15ms 11 Feb 2022 365th IanUtley 873 105 15ms 23 May 2024 367th hyvyys 872 73 10ms 16 Sep 2020 367th uttumuttu 🇫🇮 872 73 10ms 4 Jan 2022 367th jbt 872 73 10ms 26 Dec 2023 367th mpn2005 872 73 9ms 19 Jun 2025 371st Steffan153 🇫🇮 872 113 448ms 25 Apr 2023 371st sean-niemann 🇺🇸 872 113 432ms 17 Jan 2024 373rd jared-hughes 870 84 3ms 6 Apr 2022 373rd mtirado1 870 84 3ms 17 Apr 2023 375th edsrzf 🇳🇿 870 103 44ms 14 May 2025 376th commandblockguy 🇺🇸 869 74 13ms 22 Aug 2023 376th albanian-laundromat 869 74 13ms 14 Apr 2025 376th Flekay 🇩🇪 869 74 13ms 19 Jun 2025 376th Babafaba 869 74 12ms 10 Oct 2025 380th edsrzf 🇳🇿 869 102 377ms 4 Sep 2025 381st primo-ppcg 🇹🇭 869 128 41ms 26 Apr 2025 382nd JayXon 🇺🇸 868 120 25ms 19 Feb 2023 383rd ccbrown 868 142 280ms 20 Apr 2020 384th emgordon154 867 51 4ms 3 Nov 2025 385th DialFrost 🇸🇬 867 68 695ms 4 Sep 2025 385th CaedenHarper 🇨🇦 867 68 730ms 9 Sep 2025 385th sean-niemann 🇺🇸 867 68 702ms 22 Sep 2025 388th Feniske 🇫🇷 866 61 257ms 7 Nov 2022 389th MeWhenI 🇻🇦 866 64 6ms 13 Aug 2024 390th JayXon 🇺🇸 866 103 1,301ms 8 Feb 2022 391st AlexDaniel 🇪🇪 865 48 191ms 6 Apr 2020 392nd GrayJoKing 🇦🇺 865 78 9ms 13 Jun 2025 393rd typeswitch-dev 🇵🇹 865 95 15ms 28 Jul 2023 394th nwellnhof 🇩🇪 865 107 385ms 27 Apr 2023 394th KasperKivimaeki 🇫🇮 865 107 513ms 3 Sep 2025 396th canissimia 🇦🇶 865 117 5ms 20 Nov 2021 397th GrayJoKing 🇦🇺 864 51 45ms 19 Jan 2023 398th Lydxn 🇨🇦 864 84 3ms 11 Jun 2022 398th Steffan153 🇫🇮 864 84 3ms 25 Apr 2023 398th nwellnhof 🇩🇪 864 84 2ms 27 Apr 2023 First Prev 321–400 of 1,849 Next Last