The Calendar hole will go live in approximately 5 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 641st MeWhenI 🇻🇦 561 241 188ms 17 Feb 2022 642nd jaredtrh 560 129 11ms 11 Sep 2021 642nd guilhem-roy 🇫🇷 560 129 14ms 9 May 2022 642nd MaxElf999 560 129 11ms 19 Sep 2022 642nd DrPiranoid 560 129 19ms 28 Sep 2022 642nd PhysicDev 🇫🇷 560 129 11ms 4 Oct 2022 642nd cykim8811 560 129 10ms 10 Jul 2024 642nd andrewjc2000 560 129 11ms 26 Feb 2025 642nd raymur 560 129 14ms 14 Jul 2025 642nd vgamula 🇺🇦 560 129 13ms 15 Jul 2025 642nd Alex-Huggett 🇬🇧 560 129 10ms 14 Sep 2025 652nd jared-hughes 558 109 43ms 25 Sep 2021 653rd dokutan 558 180 376ms 7 Nov 2025 654th janbehrens 🇩🇪 557 136 12ms 29 Aug 2021 655th sean-niemann 🇺🇸 556 115 8ms 18 Sep 2023 656th CaedenHarper 🇨🇦 556 119 468ms 10 Dec 2024 657th rowboat1 556 130 10ms 11 Jun 2022 657th georgehulme 556 130 13ms 5 Oct 2022 659th jgbaldwinbrown 556 146 3ms 21 Jul 2022 660th CaedenHarper 🇨🇦 555 218 342ms 2 Nov 2025 661st Andriamanitra 🇫🇮 552 104 52ms 1 Sep 2022 662nd c0d3-4-F00d 🇩🇪 552 147 2ms 5 Dec 2021 663rd scpchicken 🇵🇼 551 107 5ms 10 Mar 2023 664th dionjw 551 131 12ms 22 Mar 2022 664th za3k 551 131 14ms 12 Oct 2022 664th mossprescott 551 131 11ms 18 Jan 2023 664th SB-945 551 131 12ms 14 Jul 2023 664th suhren 551 131 12ms 1 Oct 2023 669th CatsAreFluffy 551 185 56ms 30 Dec 2022 670th ian-h-chamberlain 🇺🇸 551 271 54ms 2 Nov 2025 671st MeWhenI 🇻🇦 551 437 12ms 28 Nov 2023 672nd p-vf 🇨🇭 550 162 412ms 24 Feb 2022 672nd SpareManiKatti 550 162 362ms 7 Apr 2025 674th sergioabreu-g 548 247 305ms 20 Jun 2025 675th Shanethegamer 🇺🇸 547 117 8ms 5 Nov 2022 676th fuzzylojik-golf 🇺🇸 547 121 743ms 6 Jul 2025 677th CedricGebistorf 547 132 10ms 7 Feb 2022 677th FlorianCassayre 🇫🇷 547 132 14ms 29 Oct 2022 677th PaulMWeiser 547 132 11ms 8 Mar 2023 677th yuchuehw 547 132 13ms 21 Jan 2024 677th RaBa21 🇭🇺 547 132 13ms 11 Aug 2025 682nd KatieLG 🇬🇧 546 138 1,670ms 2 Sep 2021 683rd tomh1012 544 150 12ms 23 Aug 2021 683rd JTH1999 544 150 11ms 11 Apr 2023 685th snoozingnewt 🇨🇦 543 121 224ms 16 days ago 686th bastienvoirin 🇫🇷 543 133 11ms 14 Sep 2021 686th adoxography 543 133 13ms 28 Sep 2021 686th martinnorling 🇸🇪 543 133 10ms 25 Feb 2022 689th Shnapster 543 164 430ms 28 Sep 2023 690th johanrosenson 541 151 11ms 8 Dec 2021 691st janbehrens 🇩🇪 540 165 431ms 21 Nov 2021 692nd zbreit 🇺🇸 539 134 14ms 6 May 2023 692nd yousefalizadeh 539 134 16ms 7 Apr 2024 694th ovs-code 🇩🇪 537 136 4ms 27 Sep 2024 695th LukeBridges 🇬🇧 537 152 11ms 11 Apr 2024 696th postie77 536 166 460ms 19 May 2023 697th rschwa6308 🇺🇸 535 135 11ms 5 May 2023 697th Bmrl7 535 135 11ms 29 Mar 2024 697th moustave 535 135 10ms 29 Nov 2024 697th LostSyntax21 🇬🇧 535 135 10ms 20 days ago 701st CaedenHarper 🇨🇦 534 168 3ms 23 Aug 2025 702nd BlankSpruce 531 136 11ms 7 Sep 2022 703rd dokutan 531 245 3ms 23 Feb 2025 704th Florian-Mt 530 154 11ms 9 Jul 2024 705th The3gs 527 137 14ms 16 Aug 2023 705th alexjurkiewicz 🇦🇺 527 137 11ms 7 Nov 2023 705th ahmetdemirag 🇨🇾 527 137 12ms 12 Jul 2024 708th Giga-Bowser 527 155 11ms 6 Jan 2022 708th smclaughlin-cf 527 155 11ms 6 May 2025 710th billings7 🇬🇧 527 169 414ms 21 Nov 2021 710th c0d3-4-F00d 🇩🇪 527 169 428ms 21 Nov 2021 712th adriweb 🇫🇷 527 176 3ms 9 Aug 2023 713th msbranicky 527 247 3ms 11 Aug 2023 714th Yewzir 🇧🇪 525 194 580ms 4 Feb 2023 715th NicoAdams 523 138 10ms 25 Nov 2021 715th bbakersmith 523 138 11ms 6 Jun 2022 715th jacekwladzinski 523 138 10ms 8 Oct 2025 718th bitsandbeyond 🇳🇱 523 172 122ms 9 days ago 719th Yewzir 🇧🇪 523 197 10ms 18 Dec 2024 720th PlatoHero 522 119 223ms 11 Dec 2023 First Prev 641–720 of 1,274 Next Last