The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
Arrows 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 640th guilhem-roy 🇫🇷 560 129 14ms 9 May 2022 640th MaxElf999 560 129 11ms 19 Sep 2022 640th DrPiranoid 560 129 19ms 28 Sep 2022 640th PhysicDev 🇫🇷 560 129 11ms 4 Oct 2022 640th cykim8811 560 129 10ms 10 Jul 2024 640th andrewjc2000 560 129 11ms 26 Feb 2025 640th raymur 560 129 14ms 14 Jul 2025 640th vgamula 🇺🇦 560 129 13ms 15 Jul 2025 640th Alex-Huggett 🇬🇧 560 129 10ms 14 Sep 2025 650th jared-hughes 558 109 43ms 25 Sep 2021 651st dokutan 558 180 376ms 7 Nov 2025 652nd janbehrens 🇩🇪 557 136 12ms 29 Aug 2021 653rd sean-niemann 🇺🇸 556 115 8ms 18 Sep 2023 654th CaedenHarper 🇨🇦 556 119 468ms 10 Dec 2024 655th rowboat1 556 130 10ms 11 Jun 2022 655th georgehulme 556 130 13ms 5 Oct 2022 657th jgbaldwinbrown 556 146 3ms 21 Jul 2022 658th CaedenHarper 🇨🇦 555 218 342ms 2 Nov 2025 659th Andriamanitra 🇫🇮 552 104 50ms 1 Sep 2022 660th c0d3-4-F00d 🇩🇪 552 147 2ms 5 Dec 2021 661st scpchicken 🇵🇼 551 107 5ms 10 Mar 2023 662nd dionjw 551 131 12ms 22 Mar 2022 662nd za3k 551 131 14ms 12 Oct 2022 662nd mossprescott 551 131 11ms 18 Jan 2023 662nd SB-945 551 131 12ms 14 Jul 2023 662nd suhren 551 131 12ms 1 Oct 2023 667th CatsAreFluffy 551 185 56ms 30 Dec 2022 668th ian-h-chamberlain 🇺🇸 551 271 54ms 2 Nov 2025 669th MeWhenI 🇻🇦 551 437 12ms 28 Nov 2023 670th p-vf 🇨🇭 549 162 429ms 24 Feb 2022 670th SpareManiKatti 549 162 362ms 7 Apr 2025 672nd sergioabreu-g 548 247 311ms 20 Jun 2025 673rd Shanethegamer 🇺🇸 547 117 8ms 5 Nov 2022 674th fuzzylojik-golf 🇺🇸 547 121 743ms 6 Jul 2025 675th CedricGebistorf 547 132 10ms 7 Feb 2022 675th FlorianCassayre 🇫🇷 547 132 14ms 29 Oct 2022 675th PaulMWeiser 547 132 11ms 8 Mar 2023 675th yuchuehw 547 132 13ms 21 Jan 2024 675th RaBa21 🇭🇺 547 132 13ms 11 Aug 2025 680th KatieLG 🇬🇧 546 138 1,670ms 2 Sep 2021 681st tomh1012 544 150 12ms 23 Aug 2021 681st JTH1999 544 150 11ms 11 Apr 2023 683rd snoozingnewt 🇨🇦 543 121 224ms 13 days ago 684th bastienvoirin 🇫🇷 543 133 11ms 14 Sep 2021 684th adoxography 543 133 13ms 28 Sep 2021 684th martinnorling 🇸🇪 543 133 10ms 25 Feb 2022 687th Shnapster 543 164 430ms 28 Sep 2023 688th johanrosenson 541 151 11ms 8 Dec 2021 689th zbreit 🇺🇸 539 134 14ms 6 May 2023 689th yousefalizadeh 539 134 16ms 7 Apr 2024 691st janbehrens 🇩🇪 539 165 431ms 21 Nov 2021 692nd ovs-code 🇩🇪 537 136 4ms 27 Sep 2024 693rd LukeBridges 🇬🇧 537 152 11ms 11 Apr 2024 694th postie77 536 166 463ms 19 May 2023 695th rschwa6308 🇺🇸 535 135 11ms 5 May 2023 695th Bmrl7 535 135 11ms 29 Mar 2024 695th moustave 535 135 10ms 29 Nov 2024 695th LostSyntax21 🇬🇧 535 135 10ms 17 days ago 699th CaedenHarper 🇨🇦 534 168 3ms 23 Aug 2025 700th BlankSpruce 531 136 11ms 7 Sep 2022 701st Florian-Mt 530 154 11ms 9 Jul 2024 702nd dokutan 530 245 3ms 23 Feb 2025 703rd The3gs 527 137 14ms 16 Aug 2023 703rd alexjurkiewicz 🇦🇺 527 137 11ms 7 Nov 2023 703rd ahmetdemirag 🇨🇾 527 137 12ms 12 Jul 2024 706th Giga-Bowser 527 155 11ms 6 Jan 2022 706th smclaughlin-cf 527 155 11ms 6 May 2025 708th billings7 🇬🇧 527 169 414ms 21 Nov 2021 708th c0d3-4-F00d 🇩🇪 527 169 428ms 21 Nov 2021 710th adriweb 🇫🇷 526 176 3ms 9 Aug 2023 711th msbranicky 526 247 3ms 11 Aug 2023 712th Yewzir 🇧🇪 525 194 580ms 4 Feb 2023 713th NicoAdams 523 138 10ms 25 Nov 2021 713th bbakersmith 523 138 11ms 6 Jun 2022 713th jacekwladzinski 523 138 10ms 8 Oct 2025 716th bitsandbeyond 🇳🇱 523 172 122ms 6 days ago 717th Yewzir 🇧🇪 523 197 10ms 18 Dec 2024 718th PlatoHero 522 119 223ms 11 Dec 2023 719th Mabeloid 🇳🇴 521 127 483ms 18 Sep 2024 720th AshyIsMe 🇦🇺 520 117 47ms 24 Jul 2022 First Prev 641–720 of 1,269 Next Last
