The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
Arrows in all languages in bytes. 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 Bytes Time Submitted 721st CaedenHarper 🇨🇦 468 279 3ms 7 Nov 2025 722nd MiffOttah 465 206 435ms 6 Oct 2024 723rd Fishron 463 206 17ms 13 Jun 2022 723rd ValentinCassayre 463 206 14ms 18 Oct 2023 725th LostSyntax21 🇬🇧 461 207 10ms 17 days ago 726th Natanaelel 🇸🇪 460 124 173ms 2 Sep 2021 727th msbranicky 458 199 4,861ms 8 Jan 2025 728th p-vf 🇨🇭 456 210 429ms 24 Feb 2022 729th CaedenHarper 🇨🇦 455 184 476ms 18 Jan 2025 730th KatieLG 🇬🇧 455 233 508ms 12 Oct 2024 731st bbakersmith 454 210 11ms 6 Jun 2022 732nd dokutan 454 211 422ms 24 Nov 2025 733rd uttumuttu 🇫🇮 453 187 11ms 6 Jan 2022 734th Yewzir 🇧🇪 453 288 3ms 18 Jan 2024 735th SniperSmiley 🇺🇸 452 211 12ms 18 Dec 2022 736th madeforlosers 451 188 11ms 5 Mar 2025 736th CaedenHarper 🇨🇦 451 188 12ms 23 Aug 2025 738th JRaspass 🇬🇧 450 144 3ms 26 Aug 2021 739th SB-945 450 212 11ms 14 Jul 2023 740th Yewzir 🇧🇪 450 243 480ms 15 Feb 2024 741st kyleclaassen 448 213 13ms 11 Mar 2022 741st yuchuehw 448 213 13ms 21 Jan 2024 741st RaBa21 🇭🇺 448 213 13ms 11 Aug 2025 744th postie77 448 214 463ms 19 May 2023 745th NerdyMcNerd42 446 214 10ms 25 Oct 2022 746th roavin 446 215 448ms 13 Jun 2022 747th HumanoidCPU 445 188 451ms 31 Oct 2024 748th Yewzir 🇧🇪 445 287 348ms 3 Jan 2024 749th DialFrost 🇸🇬 444 191 12ms 28 Sep 2023 749th CarsonChr 🇺🇸 444 191 11ms 6 Apr 2024 751st CatsAreFluffy 444 215 14ms 30 Dec 2022 751st ridingqwerty 🇺🇸 444 215 11ms 13 Dec 2023 753rd Maximizer02 444 294 7ms 26 Apr 2024 754th alemelis 443 154 422ms 30 Sep 2024 755th bbakersmith 443 200 15ms 7 Jun 2022 756th CaedenHarper 🇨🇦 443 254 789ms 16 Oct 2025 757th two-bad 🇬🇧 442 192 12ms 7 Feb 2024 757th Michiocre 442 192 11ms 20 Feb 2024 757th eranws 442 192 12ms 23 Dec 2024 760th msbranicky 442 295 3ms 11 Aug 2023 761st amollberg 🇸🇪 441 216 11ms 8 Jan 2022 762nd JunkIce 440 190 498ms 3 Dec 2024 763rd CaedenHarper 🇨🇦 440 290 342ms 2 Nov 2025 764th yzhs 🇩🇪 440 338 190ms 6 Jun 2022 765th MiffOttah 439 193 12ms 6 Oct 2024 766th Andrey135296 439 217 10ms 17 Sep 2024 767th Ripick 439 242 442ms 11 Jul 2024 768th CaedenHarper 🇨🇦 438 254 91ms 7 Nov 2025 769th BREMAUCY 🇫🇷 437 218 18ms 3 May 2024 769th resoNathan 437 218 10ms 5 Jul 2024 771st CaedenHarper 🇨🇦 437 294 116ms 7 Nov 2025 772nd perlebach 🇨🇿 435 149 4ms 3 Sep 2021 772nd armin-k1 435 149 3ms 10 Sep 2021 774th mckymsh 435 195 11ms 4 Feb 2024 775th henrytranter 435 219 13ms 1 Oct 2021 775th rschwa6308 🇺🇸 435 219 11ms 5 May 2023 775th yanjs 435 219 14ms 3 Jul 2025 778th elisherer 🇮🇱 433 196 12ms 28 Sep 2021 779th mdnestor 433 220 11ms 27 Dec 2022 780th Yewzir 🇧🇪 433 260 882ms 24 Sep 2025 781st frosster 432 216 5ms 19 Mar 2025 782nd TRexOnGit 432 222 434ms 16 Jan 2024 782nd SpareManiKatti 432 222 362ms 7 Apr 2025 784th mokymok 🇺🇸 431 221 11ms 17 Nov 2021 784th hiichbindermax 431 221 10ms 5 Oct 2024 786th ian-h-chamberlain 🇺🇸 431 315 166ms 30 Jun 2022 787th blaztoma 🇱🇹 429 304 4ms 9 Nov 2025 788th tomh1012 428 198 12ms 23 Aug 2021 788th acollett89 428 198 11ms 5 Aug 2025 790th lovernj 428 223 12ms 21 Jan 2022 790th Ailko 🇧🇪 428 223 11ms 5 May 2022 790th karhuthebear 428 223 11ms 11 May 2022 790th andre-lameirinhas 🇵🇹 428 223 14ms 26 Apr 2023 790th anarconic 428 223 11ms 7 Dec 2023 790th ffelixm 428 223 12ms 4 Jun 2025 790th Andrey2001 428 223 10ms 25 Nov 2025 797th msbranicky 427 318 266ms 3 Oct 2023 798th CatsAreFluffy 426 199 11ms 30 Dec 2022 798th alexsave 426 199 11ms 16 Oct 2025 800th SteveHales 426 208 127ms 20 Oct 2025 First Prev 721–800 of 1,272 Next Last