The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Niven 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 Lydxn 🇨🇦 1,000 59 3ms 13 Aug 2023 1st JayXon 🇺🇸 1,000 59 3ms 13 Aug 2023 3rd sisyphus-ppcg 🇦🇺 983 60 6ms 9 Aug 2022 4th Waffle3z 952 62 3ms 8 Aug 2022 4th GrayJoKing 🇦🇺 952 62 3ms 13 Aug 2022 4th jared-hughes 952 62 3ms 13 Aug 2022 4th primo-ppcg 🇹🇭 952 62 3ms 4 Sep 2022 4th sean-niemann 🇺🇸 952 62 3ms 11 Apr 2023 4th pardouin 🇫🇷 952 62 4ms 21 Oct 2024 4th fuzzylojik-golf 🇺🇸 952 62 3ms 3 Jul 2025 11th DialFrost 🇸🇬 937 63 3ms 11 Apr 2025 11th MeWhenI 🇻🇦 937 63 3ms 47 hours ago 13th btnlq 894 66 5ms 27 Dec 2022 14th FlyingPenguin223 881 67 3ms 1 Nov 2024 15th GalladeGuy 🇺🇸 868 68 5ms 15 Dec 2024 16th MWI-polygolf 855 69 3ms 6 Dec 2023 16th steffan-polygolf 855 69 4ms 14 Feb 2024 18th NickTheEASDude 🇺🇸 843 70 19ms 9 May 2024 18th Yewzir 🇧🇪 843 70 3ms 21 hours ago 20th koipondx86 819 72 21ms 15 Nov 2024 21st snoozingnewt 🇨🇦 787 75 5ms 15 days ago 22nd Shanethegamer 🇺🇸 747 79 4ms 9 Aug 2022 22nd adriweb 🇫🇷 747 79 5ms 2 Oct 2023 22nd dokutan 747 79 4ms 21 Sep 2024 25th mtirado1 738 80 12ms 16 Aug 2022 26th Natanaelel 🇸🇪 728 81 4ms 9 Aug 2022 27th kTheLemon 720 82 7ms 15 Mar 2025 28th Ernest1338 711 83 17ms 6 Sep 2022 28th Phil-RGOMEGA 711 83 13ms 21 Aug 2023 28th msbranicky 711 83 4ms 28 Sep 2023 31st swcnt 678 87 15ms 7 Apr 2025 32nd funkkiy 🇧🇷 670 88 13ms 15 Sep 2023 32nd stellartux 670 88 4ms 26 Dec 2023 34th AminurAlam 663 89 4ms 20 Mar 2024 35th epic-programmer-guy 656 90 4ms 20 Dec 2023 36th JesseNoEyes 🇺🇸 596 99 5ms 30 Oct 2024 36th CarterStroik 596 99 3ms 13 days ago 38th aDwarfNamedUrist 567 104 5ms 6 Dec 2022 39th destofr 551 107 5ms 23 Aug 2022 40th StronkCheese 🇺🇸 434 136 4ms 18 Feb 2023 41st kevinnaviapaiva 401 147 3ms 29 Jul 2025 42nd JRaspass 🇬🇧 8 7,446 2ms 8 Aug 2022 42nd HumanoidCPU 8 7,446 1ms 4 Mar 2025 42nd CaedenHarper 🇨🇦 8 7,446 1ms 16 Aug 2025 45th retrohun 7 8,981 2ms 28 Dec 2022 46th KatieLG-Transpiler 🇬🇧 7 8,983 2ms 8 Aug 2022 46th KatieLG 🇬🇧 7 8,983 1ms 8 Jan 2025 1–47 of 47
