The Calendar hole will go live in approximately 13 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 MeWhenI 🇻🇦 469 392 7ms 30 Nov 2022 722nd CaedenHarper 🇨🇦 468 279 3ms 7 Nov 2025 723rd MiffOttah 465 206 435ms 6 Oct 2024 724th Fishron 463 206 17ms 13 Jun 2022 724th ValentinCassayre 463 206 14ms 18 Oct 2023 726th LostSyntax21 🇬🇧 461 207 10ms 11 days ago 727th Natanaelel 🇸🇪 460 124 165ms 2 Sep 2021 728th msbranicky 458 199 4,861ms 8 Jan 2025 729th p-vf 🇨🇭 456 210 429ms 24 Feb 2022 730th CaedenHarper 🇨🇦 455 184 476ms 18 Jan 2025 731st KatieLG 🇬🇧 455 233 508ms 12 Oct 2024 732nd bbakersmith 454 210 11ms 6 Jun 2022 733rd dokutan 454 211 422ms 23 days ago 734th uttumuttu 🇫🇮 453 187 11ms 6 Jan 2022 735th Yewzir 🇧🇪 453 288 3ms 18 Jan 2024 736th SniperSmiley 🇺🇸 452 211 12ms 18 Dec 2022 737th madeforlosers 451 188 11ms 5 Mar 2025 737th CaedenHarper 🇨🇦 451 188 12ms 23 Aug 2025 739th JRaspass 🇬🇧 450 144 3ms 26 Aug 2021 740th SB-945 450 212 11ms 14 Jul 2023 741st Yewzir 🇧🇪 450 243 480ms 15 Feb 2024 742nd kyleclaassen 448 213 13ms 11 Mar 2022 742nd yuchuehw 448 213 13ms 21 Jan 2024 742nd RaBa21 🇭🇺 448 213 13ms 11 Aug 2025 745th postie77 447 214 463ms 19 May 2023 746th NerdyMcNerd42 446 214 10ms 25 Oct 2022 747th HumanoidCPU 445 188 451ms 31 Oct 2024 748th roavin 445 215 448ms 13 Jun 2022 749th Yewzir 🇧🇪 445 287 348ms 3 Jan 2024 750th DialFrost 🇸🇬 444 191 12ms 28 Sep 2023 750th CarsonChr 🇺🇸 444 191 11ms 6 Apr 2024 752nd CatsAreFluffy 444 215 14ms 30 Dec 2022 752nd ridingqwerty 🇺🇸 444 215 11ms 13 Dec 2023 754th Maximizer02 444 294 7ms 26 Apr 2024 755th alemelis 443 154 422ms 30 Sep 2024 756th bbakersmith 443 200 15ms 7 Jun 2022 757th CaedenHarper 🇨🇦 443 254 789ms 16 Oct 2025 758th two-bad 🇬🇧 442 192 12ms 7 Feb 2024 758th Michiocre 442 192 11ms 20 Feb 2024 758th eranws 442 192 12ms 23 Dec 2024 761st msbranicky 442 295 3ms 11 Aug 2023 762nd amollberg 🇸🇪 441 216 11ms 8 Jan 2022 763rd JunkIce 440 190 498ms 3 Dec 2024 764th CaedenHarper 🇨🇦 440 290 342ms 2 Nov 2025 765th yzhs 🇩🇪 440 338 190ms 6 Jun 2022 766th MiffOttah 439 193 12ms 6 Oct 2024 767th Andrey135296 439 217 10ms 17 Sep 2024 768th Ripick 439 242 442ms 11 Jul 2024 769th CaedenHarper 🇨🇦 438 254 91ms 7 Nov 2025 770th BREMAUCY 🇫🇷 437 218 18ms 3 May 2024 770th resoNathan 437 218 10ms 5 Jul 2024 772nd CaedenHarper 🇨🇦 437 294 116ms 7 Nov 2025 773rd perlebach 🇨🇿 435 149 4ms 3 Sep 2021 773rd armin-k1 435 149 3ms 10 Sep 2021 775th mckymsh 435 195 11ms 4 Feb 2024 776th henrytranter 435 219 13ms 1 Oct 2021 776th rschwa6308 🇺🇸 435 219 11ms 5 May 2023 776th yanjs 435 219 14ms 3 Jul 2025 779th elisherer 🇮🇱 433 196 12ms 28 Sep 2021 780th frosster 433 216 3ms 19 Mar 2025 781st mdnestor 433 220 11ms 27 Dec 2022 782nd Yewzir 🇧🇪 433 260 882ms 24 Sep 2025 783rd mokymok 🇺🇸 431 221 11ms 17 Nov 2021 783rd hiichbindermax 431 221 10ms 5 Oct 2024 785th TRexOnGit 431 222 434ms 16 Jan 2024 785th SpareManiKatti 431 222 362ms 7 Apr 2025 787th ian-h-chamberlain 🇺🇸 431 315 166ms 30 Jun 2022 788th blaztoma 🇱🇹 429 304 4ms 9 Nov 2025 789th tomh1012 428 198 12ms 23 Aug 2021 789th acollett89 428 198 11ms 5 Aug 2025 791st lovernj 428 223 12ms 21 Jan 2022 791st Ailko 🇧🇪 428 223 11ms 5 May 2022 791st karhuthebear 428 223 11ms 11 May 2022 791st andre-lameirinhas 🇵🇹 428 223 14ms 26 Apr 2023 791st anarconic 428 223 11ms 7 Dec 2023 791st ffelixm 428 223 12ms 4 Jun 2025 791st Andrey2001 428 223 10ms 23 days ago 798th msbranicky 427 318 266ms 3 Oct 2023 799th CatsAreFluffy 426 199 11ms 30 Dec 2022 799th alexsave 426 199 11ms 16 Oct 2025 First Prev 721–800 of 1,271 Next Last