The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Odious Numbers in Julia 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 28 232ms 23 Aug 2019 1st HPWiz 🇳🇿 1,000 28 229ms 23 Aug 2019 1st JayXon 🇺🇸 1,000 28 214ms 16 Feb 2021 1st Lydxn 🇨🇦 1,000 28 289ms 29 Sep 2022 1st Steffan153 🇫🇮 1,000 28 262ms 25 Apr 2023 1st sean-niemann 🇺🇸 1,000 28 226ms 27 Dec 2024 7th antimon2 🇯🇵 966 29 380ms 11 Jul 2024 8th sisyphus-ppcg 🇦🇺 903 31 312ms 10 Feb 2021 9th Shanethegamer 🇺🇸 824 34 266ms 22 Mar 2023 9th ovs-code 🇩🇪 824 34 284ms 12 Mar 2024 9th alemelis 824 34 476ms 27 Sep 2024 12th ETHproductions 🇺🇸 778 36 262ms 16 Aug 2019 13th MeWhenI 🇻🇦 757 37 250ms 5 Aug 2023 13th pardouin 🇫🇷 757 37 373ms 5 Sep 2024 15th MarcMush 🇫🇷 737 38 364ms 13 Jan 2022 15th czylabsonasa 🇭🇺 737 38 363ms 20 Jun 2022 15th DialFrost 🇸🇬 737 38 354ms 18 Nov 2022 15th Yewzir 🇧🇪 737 38 369ms 20 Jan 2024 15th Babafaba 737 38 267ms 11 Oct 2025 20th detrumi 🇳🇱 718 39 234ms 25 Oct 2020 20th Codsilla 🇨🇦 718 39 252ms 1 Jul 2022 20th Andriamanitra 🇫🇮 718 39 261ms 28 Jul 2023 20th stellartux 718 39 272ms 26 Dec 2023 24th cure-honey 🇯🇵 700 40 235ms 14 Jun 2021 24th janbehrens 🇩🇪 700 40 337ms 11 Jul 2023 24th emgordon154 700 40 242ms 5 Oct 2024 24th Ripick 700 40 368ms 24 Jun 2025 24th Lv0Sys 🇵🇱 700 40 331ms 26 days ago 24th snoozingnewt 🇨🇦 700 40 275ms 15 days ago 30th tidalDisruptionEvent 🇨🇦 683 41 363ms 24 Mar 2023 31st rollershutter 667 42 304ms 1 Feb 2024 32nd dokutan 651 43 267ms 21 Jul 2023 32nd davbass 🇮🇹 651 43 278ms 21 Aug 2023 34th msbranicky 636 44 254ms 15 Jan 2024 35th dloscutoff 560 50 316ms 23 Nov 2018 35th DeniedPyro 🇨🇦 560 50 391ms 29 Oct 2021 37th sidok 549 51 421ms 15 Sep 2024 38th zvnkk 500 56 403ms 15 Jun 2024 39th RustemB 🇷🇺 491 57 271ms 2 Sep 2018 40th roguh 🇬🇹 475 59 340ms 22 Jan 2024 41st latvianfarmer17 🇱🇻 389 72 277ms 20 Jul 2023 42nd masflam 354 79 394ms 19 Aug 2020 43rd theunofficialcoder 346 81 169ms 2 Aug 2021 43rd retrohun 346 81 146ms 28 Dec 2022 43rd HumanoidCPU 346 81 145ms 18 May 2024 43rd Mabeloid 🇳🇴 346 81 159ms 22 Sep 2024 43rd CaedenHarper 🇨🇦 346 81 143ms 1 Feb 2025 48th JRaspass 🇬🇧 333 84 189ms 17 Mar 2021 49th davidkoloskiss 322 87 293ms 17 Jan 2024 50th taigua 318 88 238ms 19 Aug 2020 51st KatieLG 🇬🇧 280 100 172ms 24 days ago 52nd GolfingSuccess 🇬🇷 264 106 164ms 21 Oct 2020 52nd mokymok 🇺🇸 264 106 169ms 10 Nov 2021 54th KatieLG-Transpiler 🇬🇧 183 153 174ms 23 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