The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Game of Life 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 401st typeswitch-dev 🇵🇹 604 213 3ms 23 Jul 2023 402nd KatieLG 🇬🇧 603 140 17ms 5 Oct 2025 403rd retrohun 603 156 93ms 22 Dec 2022 404th bzijlema 🇳🇱 601 124 19ms 21 Jul 2025 405th Shanethegamer 🇺🇸 601 137 3ms 24 Dec 2022 406th ovs-code 🇩🇪 599 113 739ms 13 May 2025 407th KrausRaus 🇺🇸 598 141 10ms 26 Dec 2022 407th itserasmus 598 141 10ms 17 Jan 2024 409th scpchicken 🇵🇼 596 125 30ms 1 Jan 2023 410th bizy-coder 594 114 735ms 17 Jan 2024 410th AlephSquirrel 594 114 732ms 21 Jan 2024 412th janbehrens 🇩🇪 593 154 186ms 11 May 2023 413th dokutan 593 216 9ms 110 mins ago 414th prplz 🇦🇺 592 126 11ms 30 Dec 2022 414th 5cw 🇺🇸 592 126 12ms 21 Mar 2024 414th Babafaba 592 126 22ms 17 Nov 2025 417th nyoshe 592 163 2ms 22 Jan 2025 418th roguh 🇬🇹 590 214 96ms 26 Jan 2024 419th ScottHamper 588 142 329ms 5 Apr 2023 420th ovs-code 🇩🇪 587 218 18ms 27 Sep 2024 421st targrik 586 144 10ms 12 May 2025 421st snoozingnewt 🇨🇦 586 144 9ms 12 Oct 2025 423rd mtirado1 585 180 2ms 22 Dec 2022 424th SirBogman 🇺🇸 584 111 33ms 18 Aug 2025 425th cmayer777 583 202 66ms 4 Jan 2023 426th kmathis22 583 221 437ms 21 days ago 427th MeWhenI 🇻🇦 581 117 347ms 15 Feb 2023 428th kaascevich 581 211 1,641ms 14 Sep 2025 429th emgordon154 577 122 114ms 7 Aug 2024 430th Bubbler-4 577 187 73ms 13 Sep 2023 431st annaproxy 575 168 2ms 18 May 2023 432nd zhaohm14 573 130 18ms 22 Jul 2025 433rd roguh 🇬🇹 573 176 4ms 25 Jan 2024 434th jacobly0 🇺🇸 573 251 1,693ms 22 Apr 2024 435th CatsAreFluffy 571 169 2ms 25 Jan 2023 436th Florian-Mt 570 148 10ms 27 Oct 2023 437th Natanaelel 🇸🇪 570 214 121ms 5 May 2025 438th Shanethegamer 🇺🇸 568 228 40ms 18 Oct 2024 439th Shanethegamer 🇺🇸 567 149 3,595ms 28 Oct 2024 440th Ripick 567 183 339ms 22 Jun 2025 441st voytxt 🇨🇿 566 149 10ms 19 May 2023 442nd madex 🇩🇪 565 171 2ms 5 Mar 2024 443rd SirBogman 🇺🇸 564 120 814ms 15 Aug 2025 444th MichalMarsalek 🇨🇿 564 184 330ms 22 Feb 2024 445th MathisBullinger 559 151 9ms 31 Dec 2022 446th JohandeRuiter 🇳🇱 558 173 2ms 9 Feb 2025 447th frosster 557 189 3ms 21 Mar 2025 448th yzhs 🇩🇪 556 134 11ms 22 Jun 2023 448th Hebelub 556 134 13ms 5 Jan 2024 448th GolfingSuccess 🇬🇷 556 134 34ms 25 Oct 2025 451st Babafaba 555 122 392ms 17 Nov 2025 452nd CallanMcNulty 555 152 10ms 22 Jun 2023 452nd charliegaming 555 152 10ms 21 Oct 2024 454th CaedenHarper 🇨🇦 552 135 12ms 20 Sep 2025 455th cmayer777 552 175 2ms 4 Jan 2023 456th emgordon154 550 163 33ms 31 Jul 2025 457th cefqrn 548 136 12ms 25 Dec 2022 457th cros107 🇦🇺 548 136 10ms 24 Feb 2024 457th blaztoma 🇱🇹 548 136 11ms 21 days ago 460th rak1507 🇬🇧 546 78 33ms 28 Jan 2023 460th ashtraypettingzoo 🇺🇸 546 78 33ms 23 Feb 2023 462nd CaedenHarper 🇨🇦 546 153 341ms 16 Oct 2025 463rd targrik 545 146 15ms 2 Jul 2025 464th jared-hughes 544 137 19ms 30 Dec 2022 464th jmerle 🇳🇱 544 137 19ms 10 Jul 2023 464th FranklinJiaChen 544 137 12ms 4 Aug 2024 464th davecame 544 137 12ms 17 Oct 2025 468th didion0 🇺🇸 544 155 10ms 6 Feb 2023 468th unfinishedprogram 544 155 9ms 12 Jul 2023 470th Lv0Sys 🇵🇱 541 156 10ms 19 days ago 471st KasperKivimaeki 🇫🇮 540 138 74ms 15 Jul 2025 472nd janbehrens 🇩🇪 538 148 7ms 15 May 2023 473rd MeWhenI 🇻🇦 538 193 335ms 27 Jul 2024 474th Herbert00709 🇵🇱 538 219 413ms 8 May 2024 475th GolfingSuccess 🇬🇷 537 126 774ms 20 Jan 2024 476th florton 534 158 9ms 10 Jan 2023 477th blaztoma 🇱🇹 534 209 105ms 27 Nov 2025 478th CaedenHarper 🇨🇦 533 127 993ms 20 Sep 2025 479th MeWhenI 🇻🇦 533 166 9ms 16 Aug 2024 480th emgordon154 532 146 968ms 25 Nov 2024 First Prev 401–480 of 827 Next Last