The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Leyland Numbers 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 241st stefangimmillaro 885 168 4,861ms 5 Dec 2024 242nd canissimia 🇦🇶 885 555 19ms 23 Feb 2023 243rd primo-ppcg 🇹🇭 884 128 375ms 10 Apr 2025 244th m-tkach 🇺🇦 884 131 301ms 22 Jan 2024 245th stefangimmillaro 883 128 208ms 3 Mar 2023 246th 386asm 🇺🇸 882 115 40ms 4 May 2023 247th KasperKivimaeki 🇫🇮 882 141 2,834ms 19 Nov 2025 248th dcgjb 881 64 248ms 3 May 2024 249th MeWhenI 🇻🇦 881 125 5ms 10 Oct 2023 249th GolfingSuccess 🇬🇷 881 125 14ms 23 Oct 2023 251st btnlq 880 69 1,103ms 6 Nov 2022 252nd Kacarott 🇦🇺 879 70 178ms 13 Sep 2024 252nd sean-niemann 🇺🇸 879 70 92ms 23 Apr 2025 252nd pardouin 🇫🇷 879 70 1,137ms 28 Jul 2025 255th sean-niemann 🇺🇸 878 80 1,181ms 3 Jul 2023 256th edsrzf 🇳🇿 878 109 42ms 17 Feb 2025 257th MarcMush 🇫🇷 876 49 1,097ms 5 Jul 2021 258th Re-Adventures 🇮🇳 876 69 26ms 1 Dec 2021 258th robin-scragg 876 69 10ms 23 Sep 2025 260th inverseLorentz 🇦🇺 875 78 124ms 9 Mar 2024 261st MeWhenI 🇻🇦 875 107 428ms 6 Mar 2025 262nd emgordon154 875 117 102ms 13 days ago 263rd kg583 🇺🇸 874 104 93ms 28 Dec 2024 263rd CLOStrophobic 🇮🇹 874 104 7ms 6 Feb 2025 263rd edsrzf 🇳🇿 874 104 10ms 13 Apr 2025 266th ovs-code 🇩🇪 874 126 24ms 10 Mar 2024 267th ovs-code 🇩🇪 872 121 3ms 29 May 2024 268th Frowny 871 31 32ms 29 Jul 2020 268th HPWiz 🇳🇿 871 31 33ms 26 Feb 2021 268th Bubbler-4 871 31 32ms 5 Jul 2021 268th rak1507 🇬🇧 871 31 34ms 18 Oct 2021 268th lynn 871 31 34ms 13 Nov 2021 268th ovs-code 🇩🇪 871 31 34ms 26 Apr 2022 268th lynn 871 31 59ms 22 Jul 2022 268th AlephSquirrel 871 31 58ms 17 Jan 2023 268th Natanaelel 🇸🇪 871 31 33ms 25 Oct 2023 268th SirBogman 🇺🇸 871 31 34ms 28 Nov 2023 278th kumavale 871 137 228ms 24 days ago 279th MeWhenI 🇻🇦 870 99 43ms 16 May 2023 280th kg583 🇺🇸 870 110 47ms 17 Jun 2025 281st DialFrost 🇸🇬 870 130 382ms 10 Nov 2025 282nd MeWhenI 🇻🇦 869 125 96ms 27 Dec 2024 282nd GrayJoKing 🇦🇺 869 125 24ms 5 Feb 2025 284th DialFrost 🇸🇬 869 171 263ms 7 Nov 2025 284th JayXon 🇺🇸 869 171 267ms 24 days ago 286th Feniske 🇫🇷 867 65 1,473ms 25 Aug 2022 287th Bubbler-4 867 71 71ms 13 Sep 2023 288th Sp3000 🇦🇺 867 108 101ms 13 Jan 2024 289th canissimia 🇦🇶 866 276 1,559ms 22 May 2023 290th lifthrasiir 🇰🇷 866 352 11ms 19 Dec 2024 291st pardouin 🇫🇷 865 49 37ms 17 Sep 2025 291st radarek 🇵🇱 865 49 47ms 17 Sep 2025 293rd primo-ppcg 🇹🇭 865 86 4ms 4 Jul 2023 293rd GrayJoKing 🇦🇺 865 86 4ms 21 Aug 2023 295th acotis 865 138 210ms 14 Oct 2025 296th m-tkach 🇺🇦 865 159 309ms 1 Sep 2023 297th annaproxy 864 79 125ms 24 Jan 2022 297th cbrt-x 864 79 128ms 18 Oct 2022 297th ashtraypettingzoo 🇺🇸 864 79 236ms 17 Feb 2023 297th tobeannouncd 864 79 122ms 19 Sep 2023 297th strout 864 79 114ms 14 Dec 2023 297th DialFrost 🇸🇬 864 79 125ms 6 Aug 2024 303rd Shanethegamer 🇺🇸 864 114 99ms 8 Apr 2023 304th GrayJoKing 🇦🇺 864 145 71ms 30 Jul 2023 305th yzhs 🇩🇪 863 70 16ms 25 Oct 2020 305th shellbertt 🇨🇦 863 70 11ms 6 Dec 2021 305th jatloe 863 70 11ms 28 Jan 2024 308th Re-Adventures 🇮🇳 863 131 574ms 19 Aug 2022 309th nwellnhof 🇩🇪 863 144 529ms 23 May 2022 310th emgordon154 863 237 468ms 20 Mar 2025 311th primo-ppcg 🇹🇭 863 239 11ms 13 Aug 2025 312th primo-ppcg 🇹🇭 862 96 160ms 6 Nov 2021 313th sean-niemann 🇺🇸 862 131 303ms 5 Aug 2025 314th edsrzf 🇳🇿 860 119 116ms 19 days ago 315th NewDefectus 🇮🇱 858 78 10ms 8 Jul 2021 315th Irratix 🇳🇱 858 78 69ms 29 Oct 2021 315th emplv 🇱🇻 858 78 68ms 29 Oct 2021 315th vlpx 🇫🇮 858 78 66ms 1 Aug 2024 319th MeWhenI 🇻🇦 858 218 1,303ms 22 Apr 2024 320th edsrzf 🇳🇿 857 113 3ms 15 Mar 2025 First Prev 241–320 of 1,844 Next Last