The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Foo Fizz Buzz Bar in Ruby in bytes. 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 Bytes Time Submitted 1st KL-Lru 1,000 77 41ms 29 Dec 2022 1st radarek 🇵🇱 1,000 77 69ms 20 Nov 2024 3rd lynn 975 79 40ms 2 Feb 2022 3rd Lydxn 🇨🇦 975 79 44ms 2 Apr 2022 3rd pardouin 🇫🇷 975 79 38ms 2 Sep 2025 6th janlelis 963 80 42ms 22 Nov 2021 6th JayXon 🇺🇸 963 80 41ms 23 Nov 2021 6th nwellnhof 🇩🇪 963 80 42ms 5 Dec 2021 6th emgordon154 963 80 54ms 19 Dec 2021 6th sisyphus-ppcg 🇦🇺 963 80 42ms 30 Dec 2022 6th Steffan153 🇫🇮 963 80 44ms 20 Jul 2024 12th ovs-code 🇩🇪 951 81 37ms 22 Oct 2023 12th sean-niemann 🇺🇸 951 81 40ms 14 Aug 2025 14th olivermrose 🇺🇸 928 83 46ms 23 Nov 2021 15th GrayJoKing 🇦🇺 906 85 42ms 3 Nov 2022 16th Natanaelel 🇸🇪 895 86 40ms 22 Nov 2021 16th tatzyr 🇯🇵 895 86 40ms 13 Nov 2024 16th olleicua 🇺🇸 895 86 35ms 15 Feb 2025 19th MeWhenI 🇻🇦 885 87 43ms 31 Mar 2022 19th OhmNomNom 885 87 39ms 14 Oct 2022 19th Haksell 🇦🇶 885 87 43ms 22 Feb 2023 22nd stefangimmillaro 875 88 46ms 21 Nov 2021 22nd Shanethegamer 🇺🇸 875 88 42ms 22 Nov 2021 22nd SirBogman 🇺🇸 875 88 43ms 24 Nov 2021 22nd Andriamanitra 🇫🇮 875 88 47ms 20 Jul 2022 22nd aksyristos 875 88 43ms 11 Oct 2022 22nd Yewzir 🇧🇪 875 88 41ms 7 Feb 2024 22nd anter69 🇭🇺 875 88 48ms 2 Apr 2024 29th tkr-sh 🇰🇵 865 89 40ms 28 Jun 2022 29th jared-hughes 865 89 40ms 8 Sep 2022 29th DialFrost 🇸🇬 865 89 38ms 1 Jun 2024 32nd Irratix 🇳🇱 828 93 45ms 27 Jun 2022 33rd adoxography 811 95 43ms 18 Dec 2021 33rd Lv0Sys 🇵🇱 811 95 48ms 20 days ago 35th max-barstow 802 96 42ms 6 Sep 2022 36th shellbertt 🇨🇦 794 97 44ms 6 Dec 2021 36th aaronze 🇦🇺 794 97 39ms 17 Sep 2023 38th yzhs 🇩🇪 786 98 38ms 16 Jun 2022 38th aydamak 786 98 39ms 7 May 2024 40th ls-samer-abuthaher 778 99 51ms 7 Oct 2022 40th r-iwakata 778 99 39ms 4 Jan 2023 40th BREMAUCY 🇫🇷 778 99 42ms 9 May 2023 40th lacrosse 778 99 37ms 27 days ago 44th KrausRaus 🇺🇸 762 101 39ms 20 Dec 2021 44th janbehrens 🇩🇪 762 101 46ms 27 Nov 2022 44th KatieLG 🇬🇧 762 101 40ms 11 Jun 2024 47th eldritchconundrum 748 103 39ms 31 Oct 2022 48th purp 700 110 37ms 9 Aug 2022 48th vluyzvg 700 110 43ms 17 Feb 2023 48th snoozingnewt 🇨🇦 700 110 42ms 16 Oct 2025 51st HallMatthew314 688 112 48ms 5 Dec 2021 51st ComputerKWasTaken 🇺🇸 688 112 38ms 5 Jul 2024 53rd TheZwierzLF 🇵🇱 602 128 37ms 4 days ago 54th Ralac07 🇦🇺 570 135 42ms 14 Jun 2024 55th shibacho 🇯🇵 535 144 44ms 1 Dec 2021 56th dokutan 520 148 43ms 21 Apr 2025 57th beergit 470 164 39ms 7 Aug 2024 58th msbranicky 461 167 45ms 8 Sep 2023 59th StronkCheese 🇺🇸 445 173 40ms 29 Jan 2023 60th christensendaniel 395 195 39ms 14 May 2024 61st lightgeb 238 324 47ms 27 Oct 2023 62nd UnusedConfetti 202 381 41ms 5 Mar 2024 63rd JRaspass 🇬🇧 13 5,724 37ms 21 Nov 2021 63rd KatieLG-Transpiler 🇬🇧 13 5,724 39ms 24 Jun 2022 63rd retrohun 13 5,724 38ms 27 Dec 2022 63rd HumanoidCPU 13 5,724 46ms 11 May 2024 63rd Mabeloid 🇳🇴 13 5,724 40ms 18 Sep 2024 63rd CaedenHarper 🇨🇦 13 5,724 36ms 16 Aug 2025 1–68 of 68