The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Inventory Sequence 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 emgordon154 884 53 333ms 17 May 2025 242nd GrayJoKing 🇦🇺 884 74 8ms 23 Jul 2023 243rd DialFrost 🇸🇬 884 75 113ms 25 Mar 2025 244th btnlq 883 85 322ms 11 Mar 2023 244th stefangimmillaro 883 85 324ms 1 Apr 2023 246th lynn 883 95 1,346ms 17 Feb 2023 247th primo-ppcg 🇹🇭 882 41 58ms 25 Nov 2022 248th janbehrens 🇩🇪 882 56 9ms 21 Nov 2022 248th edsrzf 🇳🇿 882 56 9ms 27 Aug 2025 250th Lydxn 🇨🇦 882 98 24ms 27 Jun 2023 251st prplz 🇦🇺 881 56 35ms 20 Nov 2022 251st Shanethegamer 🇺🇸 881 56 33ms 22 Nov 2022 251st snoozingnewt 🇨🇦 881 56 42ms 10 Oct 2025 254th MeWhenI 🇻🇦 881 90 414ms 7 Nov 2025 255th ovs-code 🇩🇪 881 100 9ms 31 Mar 2023 256th janbehrens 🇩🇪 879 87 79ms 20 Nov 2022 256th MeWhenI 🇻🇦 879 87 73ms 22 Jul 2024 258th Steffan153 🇫🇮 878 56 94ms 15 Aug 2024 259th Shanethegamer 🇺🇸 878 73 311ms 24 Nov 2022 259th Steffan153 🇫🇮 878 73 314ms 1 Dec 2022 261st MeWhenI 🇻🇦 878 75 98ms 8 Mar 2023 262nd GrayJoKing 🇦🇺 878 107 28ms 26 Jun 2023 263rd ovs-code 🇩🇪 877 66 2ms 20 Nov 2022 263rd sisyphus-ppcg 🇦🇺 877 66 2ms 22 Nov 2022 263rd inventshah 877 66 2ms 3 Feb 2024 266th clockworknazo 877 67 4ms 30 Aug 2023 267th ovs-code 🇩🇪 877 98 124ms 21 Jun 2023 268th ovs-code 🇩🇪 876 83 445ms 23 Jul 2024 269th edsrzf 🇳🇿 875 50 739ms 26 days ago 269th sean-niemann 🇺🇸 875 50 789ms 12 days ago 271st Steffan153 🇫🇮 874 96 1,327ms 10 Apr 2023 272nd canissimia 🇦🇶 874 130 1,802ms 6 Mar 2023 273rd HPWiz 🇳🇿 873 37 3ms 22 Nov 2022 274th dvargas46 🇺🇸 873 46 2ms 21 Nov 2022 274th DialFrost 🇸🇬 873 46 2ms 27 days ago 276th bitsandbeyond 🇳🇱 873 47 266ms 5 Nov 2025 277th duckyluuk 🇳🇱 873 55 15ms 17 Dec 2024 277th DialFrost 🇸🇬 873 55 15ms 17 Dec 2024 279th primo-ppcg 🇹🇭 873 71 42ms 24 Nov 2022 279th Steffan153 🇫🇮 873 71 40ms 9 Apr 2023 281st GrayJoKing 🇦🇺 873 79 88ms 11 Dec 2022 282nd janbehrens 🇩🇪 873 86 319ms 20 Nov 2022 282nd tomtheisen 🇺🇸 873 86 309ms 4 Dec 2022 282nd MeWhenI 🇻🇦 873 86 336ms 8 Dec 2022 282nd annaproxy 873 86 314ms 11 Dec 2022 282nd AdrienHache 🇫🇷 873 86 352ms 17 Dec 2024 282nd Yax42 🇫🇷 873 86 383ms 31 May 2025 282nd DialFrost 🇸🇬 873 86 382ms 27 days ago 289th Steffan153 🇫🇮 872 68 25ms 13 Aug 2024 290th m-tkach 🇺🇦 872 143 189ms 1 Apr 2023 291st JayXon 🇺🇸 871 44 993ms 19 Feb 2023 291st stefangimmillaro 871 44 994ms 29 Apr 2023 293rd lifthrasiir 🇰🇷 870 24 3ms 28 Nov 2024 294th primo-ppcg 🇹🇭 870 43 9ms 21 Nov 2022 294th Steffan153 🇫🇮 870 43 6ms 14 Aug 2024 296th DialFrost 🇸🇬 870 102 104ms 15 days ago 296th snoozingnewt 🇨🇦 870 102 100ms 13 days ago 298th Steffan153 🇫🇮 869 56 457ms 15 Aug 2024 299th GolfingSuccess 🇬🇷 869 88 71ms 20 Nov 2022 299th Shanethegamer 🇺🇸 869 88 64ms 22 Nov 2022 299th ovs-code 🇩🇪 869 88 71ms 3 Jun 2024 299th luuumine 🇫🇷 869 88 76ms 17 Nov 2025 303rd nwellnhof 🇩🇪 868 31 347ms 25 Jun 2023 304th pardouin 🇫🇷 868 76 4,383ms 12 Sep 2025 305th Natanaelel 🇸🇪 867 28 34ms 3 Nov 2023 305th SirBogman 🇺🇸 867 28 35ms 14 Feb 2024 307th neel11235813 867 54 369ms 27 Mar 2024 307th DialFrost 🇸🇬 867 54 399ms 2 Aug 2024 307th lifthrasiir 🇰🇷 867 54 357ms 2 Dec 2024 307th ovs-code 🇩🇪 867 54 375ms 15 Jul 2025 311th didion0 🇺🇸 867 57 9ms 22 Feb 2023 311th voytxt 🇨🇿 867 57 9ms 19 May 2023 311th stefangimmillaro 867 57 10ms 23 Sep 2023 311th emgordon154 867 57 10ms 17 Nov 2025 315th Shanethegamer 🇺🇸 867 76 123ms 21 Jun 2024 316th primo-ppcg 🇹🇭 867 167 12ms 13 Aug 2025 317th janbehrens 🇩🇪 866 84 478ms 21 Nov 2022 318th HPWiz 🇳🇿 865 57 11ms 20 Nov 2022 318th nwellnhof 🇩🇪 865 57 11ms 21 Nov 2022 318th jakobkordez 🇸🇮 865 57 11ms 22 Nov 2022 First Prev 241–320 of 1,612 Next Last