The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Odious Numbers (Long) in Lua 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 1st primo-ppcg 🇹🇭 1,000 46 3ms 11 Aug 2023 1st JayXon 🇺🇸 1,000 46 2ms 11 Aug 2023 1st Lydxn 🇨🇦 1,000 46 4ms 12 Aug 2023 4th Waffle3z 979 47 2ms 6 Sep 2022 4th GrayJoKing 🇦🇺 979 47 6ms 7 Sep 2022 4th jared-hughes 979 47 3ms 8 Sep 2022 4th Steffan153 🇫🇮 979 47 3ms 10 Dec 2022 4th btnlq 979 47 3ms 28 Dec 2022 4th MeWhenI 🇻🇦 979 47 5ms 29 Dec 2022 4th DialFrost 🇸🇬 979 47 2ms 8 Feb 2023 4th sean-niemann 🇺🇸 979 47 2ms 24 Jul 2023 4th Yewzir 🇧🇪 979 47 2ms 18 Nov 2023 4th NickTheEASDude 🇺🇸 979 47 5ms 1 Feb 2024 4th FlyingPenguin223 979 47 2ms 26 Oct 2024 4th fuzzylojik-golf 🇺🇸 979 47 2ms 1 Jul 2025 4th synt7x 🇺🇸 979 47 2ms 14 Jul 2025 4th GolfingSuccess 🇬🇷 979 47 2ms 24 Sep 2025 4th snoozingnewt 🇨🇦 979 47 2ms 25 Oct 2025 19th steffan-polygolf 958 48 3ms 23 Feb 2023 19th MWI-polygolf 958 48 6ms 29 Dec 2023 21st snyderek 🇺🇸 687 67 2ms 24 Jan 2025 22nd Shanethegamer 🇺🇸 613 75 6ms 30 Mar 2023 22nd dokutan 613 75 3ms 22 Apr 2024 24th mtirado1 590 78 3ms 25 Dec 2022 24th frosster 590 78 3ms 16 May 2023 26th msbranicky 582 79 3ms 28 Sep 2023 27th Andriamanitra 🇫🇮 568 81 6ms 2 Feb 2024 28th HumanoidCPU 548 84 3ms 20 Nov 2025 29th kyleclaassen 541 85 4ms 28 May 2023 29th stellartux 541 85 4ms 26 Dec 2023 31st SwordF-Official 505 91 2ms 10 Apr 2025 32nd BuBuaBu 465 99 6ms 30 Aug 2023 33rd Maximizer02 418 110 6ms 28 Feb 2024 34th MillaBasset 362 127 3ms 17 Sep 2022 35th kevinnaviapaiva 311 148 2ms 23 Jul 2025 36th adriweb 🇫🇷 277 166 51ms 21 Aug 2023 37th Upload-and-View 🇺🇦 263 175 5ms 26 Aug 2025 38th JRaspass 🇬🇧 24 1,953 2ms 6 Sep 2022 38th CaedenHarper 🇨🇦 24 1,953 2ms 16 Aug 2025 40th retrohun 19 2,450 2ms 28 Dec 2022 41st KatieLG-Transpiler 🇬🇧 19 2,452 2ms 10 Sep 2022 41st KatieLG 🇬🇧 19 2,452 1ms 8 Jan 2025 1–42 of 42
