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 398th rhdqor213 864 84 3ms 11 Oct 2023 398th xsot 🇸🇬 864 84 3ms 30 Jan 2024 398th Alex-x90 🇺🇸 864 84 3ms 15 Feb 2024 398th sean-niemann 🇺🇸 864 84 3ms 25 Dec 2024 405th m-tkach 🇺🇦 864 138 27ms 29 Nov 2023 406th copy 862 37 3ms 12 Aug 2024 407th DialFrost 🇸🇬 862 57 9ms 27 Sep 2024 408th primo-ppcg 🇹🇭 862 58 926ms 8 Nov 2022 408th JayXon 🇺🇸 862 58 924ms 20 Feb 2023 410th Steffan153 🇫🇮 862 71 5ms 9 Feb 2023 410th GrayJoKing 🇦🇺 862 71 6ms 1 Nov 2023 412th lynn 862 131 177ms 24 Mar 2021 412th HPWiz 🇳🇿 862 131 190ms 22 Sep 2025 414th primo-ppcg 🇹🇭 862 143 280ms 18 Apr 2020 415th RobbertC5 860 74 9ms 20 May 2020 415th Maocx 860 74 10ms 21 May 2020 415th ArmaanAS 860 74 10ms 5 Feb 2021 415th MathisBullinger 860 74 10ms 16 Nov 2021 415th MadScience137 860 74 9ms 19 Oct 2022 415th coreynash 860 74 10ms 30 Nov 2023 421st yzhs 🇩🇪 858 75 12ms 25 Oct 2020 421st AdamHe17 858 75 12ms 31 May 2022 421st Artemis21 🇬🇧 858 75 13ms 10 Jan 2025 424th nwellnhof 🇩🇪 857 95 373ms 19 Apr 2023 424th tomtheisen 🇺🇸 857 95 391ms 10 Feb 2025 426th sean-niemann 🇺🇸 857 108 411ms 18 May 2022 426th inventshah 857 108 500ms 12 Jun 2022 428th MeWhenI 🇻🇦 855 105 107ms 13 Aug 2022 428th sean-niemann 🇺🇸 855 105 105ms 26 Dec 2023 430th lifthrasiir 🇰🇷 853 66 341ms 2 Dec 2024 431st JohandeRuiter 🇳🇱 853 85 3ms 14 Jul 2024 432nd emgordon154 853 212 526ms 30 Mar 2025 433rd SirBogman 🇺🇸 852 62 446ms 14 Jun 2024 434th JayXon 🇺🇸 852 180 1,723ms 22 Apr 2024 435th GrayJoKing 🇦🇺 851 93 5ms 20 Aug 2023 435th primo-ppcg 🇹🇭 851 93 4ms 20 Aug 2023 437th acodon 850 86 3ms 11 Jul 2019 437th DaDerpDuck 850 86 3ms 22 Jan 2021 439th moikaturns 🇬🇧 849 75 10ms 8 Dec 2022 439th biocommando 🇫🇮 849 75 10ms 29 Dec 2022 441st Steffan153 🇫🇮 849 82 161ms 11 Jul 2024 442nd edsrzf 🇳🇿 849 118 154ms 20 days ago 443rd arjanadriaanse 🇳🇱 849 133 178ms 15 Nov 2021 444th lifthrasiir 🇰🇷 849 172 52ms 13 Dec 2024 445th Yax42 🇫🇷 848 96 402ms 17 Dec 2024 446th inventshah 847 58 7ms 14 May 2022 446th frankgraziano 847 58 7ms 25 Apr 2025 448th stefangimmillaro 847 106 111ms 7 Oct 2022 448th primo-ppcg 🇹🇭 847 106 136ms 12 Apr 2025 450th SirBogman 🇺🇸 846 76 13ms 20 Nov 2022 450th dokutan 846 76 20ms 21 Mar 2025 452nd DialFrost 🇸🇬 846 118 577ms 24 Sep 2025 452nd sean-niemann 🇺🇸 846 118 539ms 24 Sep 2025 452nd nwellnhof 🇩🇪 846 118 521ms 25 Sep 2025 452nd MeWhenI 🇻🇦 846 118 507ms 7 Nov 2025 456th marcin7Cd 845 87 24ms 8 Feb 2021 457th MeWhenI 🇻🇦 845 89 101ms 15 Oct 2022 457th Steffan153 🇫🇮 845 89 99ms 18 Oct 2022 457th stefangimmillaro 845 89 105ms 21 Oct 2022 457th sean-niemann 🇺🇸 845 89 103ms 25 May 2025 461st guliyevemil1 🇦🇿 845 146 275ms 16 Apr 2020 461st MeWhenI 🇻🇦 845 146 273ms 8 Feb 2023 463rd sisyphus-ppcg 🇦🇺 843 50 2ms 3 Nov 2022 463rd MeWhenI 🇻🇦 843 50 2ms 4 Nov 2022 463rd Steffan153 🇫🇮 843 50 2ms 19 Dec 2022 463rd DialFrost 🇸🇬 843 50 2ms 28 Jan 2023 467th 09cf 843 86 2ms 16 Dec 2024 468th angel-p57 🇯🇵 843 120 5ms 11 Dec 2023 469th Shanethegamer 🇺🇸 843 134 180ms 7 Apr 2025 470th kg583 🇺🇸 842 94 5ms 19 days ago 471st Shanethegamer 🇺🇸 842 117 445ms 19 Jan 2024 471st DialFrost 🇸🇬 842 117 490ms 2 Dec 2024 473rd primo-ppcg 🇹🇭 842 232 13ms 25 Jun 2025 474th sean-niemann 🇺🇸 841 79 3ms 17 Jan 2024 474th Steffan153 🇫🇮 841 79 3ms 29 Jan 2024 476th GrayJoKing 🇦🇺 841 109 21ms 24 Nov 2021 477th primo-ppcg 🇹🇭 840 75 331ms 22 Oct 2020 478th frosster 840 87 2ms 11 Mar 2025 479th okhoel 🇳🇴 839 63 261ms 20 Sep 2022 480th Shanethegamer 🇺🇸 839 107 105ms 17 Dec 2021 First Prev 401–480 of 1,849 Next Last