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 241st Shanethegamer 🇺🇸 833 135 891ms 24 Sep 2025 242nd andersk 🇺🇸 833 163 161ms 1 Nov 2022 243rd m-tkach 🇺🇦 832 155 33ms 12 Jan 2024 244th jared-hughes 831 102 12ms 22 Apr 2022 244th 13x1 🇩🇪 831 102 11ms 14 May 2023 246th MeWhenI 🇻🇦 831 109 176ms 5 Sep 2023 247th Shanethegamer 🇺🇸 829 128 365ms 28 Nov 2022 248th MeWhenI 🇻🇦 827 99 6ms 28 May 2023 249th emplv 🇱🇻 827 111 130ms 6 Dec 2022 250th GrayJoKing 🇦🇺 827 115 48ms 7 Jul 2023 251st Shanethegamer 🇺🇸 827 297 2,018ms 11 Apr 2025 252nd Shanethegamer 🇺🇸 826 83 47ms 27 Aug 2021 253rd canissimia 🇦🇶 825 326 10ms 24 Nov 2023 254th GrayJoKing 🇦🇺 824 156 117ms 29 May 2022 255th MeWhenI 🇻🇦 824 199 2,007ms 7 Nov 2025 256th MeWhenI 🇻🇦 823 103 11ms 25 Nov 2022 256th tayloia 🇬🇧 823 103 11ms 5 Jun 2023 256th prplz 🇦🇺 823 103 11ms 30 Jan 2024 259th MWI-polygolf 823 129 359ms 6 Dec 2023 260th MeWhenI 🇻🇦 822 154 41ms 29 Apr 2025 261st stefangimmillaro 821 111 4,927ms 12 Nov 2024 262nd MeWhenI 🇻🇦 821 137 768ms 7 Nov 2025 263rd Shanethegamer 🇺🇸 820 114 2ms 28 Nov 2022 263rd Waffle3z 820 114 2ms 14 Dec 2022 265th MeWhenI 🇻🇦 818 127 10ms 29 Dec 2024 266th Shanethegamer 🇺🇸 817 93 1,787ms 27 Aug 2021 266th stefangimmillaro 817 93 1,736ms 30 Jul 2022 266th MeWhenI 🇻🇦 817 93 1,543ms 13 Nov 2022 269th MeWhenI 🇻🇦 817 125 611ms 4 Mar 2022 270th jared-hughes 817 301 11ms 8 Jul 2024 271st MeWhenI 🇻🇦 816 111 1,498ms 29 Aug 2025 272nd lynn 816 158 38ms 11 Jul 2023 273rd bitsandbeyond 🇳🇱 816 160 3ms 29 hours ago 274th SirBogman 🇺🇸 815 70 155ms 8 Oct 2021 275th MeWhenI 🇻🇦 815 109 47ms 12 Nov 2022 276th SirBogman 🇺🇸 815 117 11ms 29 Jan 2024 276th davecame 815 117 11ms 27 Feb 2024 276th bizy-coder 815 117 10ms 8 days ago 279th Shanethegamer 🇺🇸 815 160 8ms 24 Jan 2024 280th jared-hughes 814 94 15ms 22 Apr 2022 281st snoozingnewt 🇨🇦 813 151 148ms 8 days ago 282nd MeWhenI 🇻🇦 812 106 2ms 5 Jul 2024 283rd MeWhenI 🇻🇦 812 137 155ms 25 Dec 2022 284th stefangimmillaro 809 139 830ms 6 Oct 2025 285th Irratix 🇳🇱 808 105 11ms 8 Dec 2022 285th rucin93 🇵🇱 808 105 11ms 16 Jul 2024 287th MeWhenI 🇻🇦 808 112 3ms 10 Oct 2023 287th Steffan153 🇫🇮 808 112 2ms 5 May 2024 289th stefangimmillaro 808 158 409ms 16 Jun 2023 290th MeWhenI 🇻🇦 808 304 929ms 28 Mar 2025 291st emgordon154 806 113 4,922ms 4 Sep 2025 292nd primo-ppcg 🇹🇭 806 118 39ms 24 Jun 2022 293rd GrayJoKing 🇦🇺 805 110 5ms 7 Sep 2024 294th Shanethegamer 🇺🇸 805 152 28ms 7 Jul 2022 295th duckyluuk 🇳🇱 804 104 505ms 15 Jul 2024 295th lifthrasiir 🇰🇷 804 104 551ms 2 Dec 2024 295th snoozingnewt 🇨🇦 804 104 540ms 8 days ago 298th nwellnhof 🇩🇪 801 77 47ms 25 Sep 2021 299th Kacarott 🇦🇺 801 128 85ms 9 days ago 300th m-tkach 🇺🇦 797 108 3ms 25 Aug 2023 301st Shanethegamer 🇺🇸 795 103 6ms 16 Dec 2022 302nd Irratix 🇳🇱 795 120 13ms 8 Dec 2022 303rd UnderKoen 🇳🇱 795 149 5ms 7 Mar 2023 304th Shanethegamer 🇺🇸 795 187 161ms 20 Oct 2022 305th emgordon154 795 309 1,990ms 4 Oct 2025 306th stefangimmillaro 794 140 135ms 30 Sep 2023 307th kg583 🇺🇸 794 177 7ms 20 Mar 2025 308th Shanethegamer 🇺🇸 792 107 11ms 1 Apr 2022 308th thisishowmymindworks 🇳🇴 792 107 11ms 25 Jun 2024 310th stefangimmillaro 791 86 243ms 18 Dec 2021 311th Shanethegamer 🇺🇸 790 109 2ms 15 Dec 2021 312th AdrienHache 🇫🇷 786 113 63ms 1 Apr 2024 313th Shanethegamer 🇺🇸 786 120 6ms 27 Sep 2024 314th SirBogman 🇺🇸 786 161 43ms 3 Jun 2025 314th marshallward 🇺🇸 786 161 41ms 12 Jun 2025 316th emgordon154 786 166 8ms 4 Sep 2025 317th stefangimmillaro 785 173 173ms 19 Oct 2023 318th Sp3000 🇦🇺 784 67 3ms 4 Nov 2021 319th Shanethegamer 🇺🇸 784 117 131ms 29 Nov 2022 320th kg583 🇺🇸 784 227 50ms 28 Oct 2025 First Prev 241–320 of 1,271 Next Last