The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Quine 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 73rd mokymok 🇺🇸 926 27 35ms 22 Jul 2021 73rd RYNO8 926 27 34ms 8 Aug 2021 73rd jbbarth 🇫🇷 926 27 37ms 27 Aug 2021 73rd Fmbalbuena 926 27 33ms 27 Sep 2021 73rd tegenton 926 27 38ms 4 Oct 2021 73rd catflip 926 27 36ms 5 Feb 2024 87th tom-lord 893 28 36ms 8 Nov 2017 87th greghull 893 28 34ms 8 Nov 2017 87th AlexDaniel 🇪🇪 893 28 36ms 14 Nov 2017 87th j55d 893 28 35ms 11 Dec 2017 87th hrrs01 893 28 34ms 27 Jan 2018 87th hughsimpson 893 28 35ms 28 Jan 2018 87th clupasq 893 28 35ms 3 Feb 2018 87th yokasuretsu 893 28 38ms 18 Apr 2018 87th biji1 893 28 33ms 26 Apr 2018 87th bryanmytko 893 28 34ms 10 May 2018 87th zstearman3 893 28 36ms 12 Jul 2018 87th alaaeelsayed 893 28 35ms 23 Jul 2018 87th willzywiec 893 28 37ms 6 Aug 2018 87th jaredcrystal 🇺🇸 893 28 36ms 17 Sep 2018 87th robymus 893 28 35ms 17 Sep 2018 87th SamirHodzic 893 28 35ms 11 Oct 2018 87th jackkav 893 28 37ms 20 Jan 2019 87th rambox11 893 28 36ms 30 Jan 2019 87th nexaitch 893 28 35ms 24 Apr 2019 87th villfa 893 28 35ms 17 May 2019 87th michaelrychly 893 28 35ms 5 Jun 2019 87th ElevatorShaft 893 28 37ms 19 Jun 2019 87th AgathokakologicalBit 893 28 35ms 14 Jul 2019 87th reireias 893 28 36ms 30 Jul 2019 87th n1LS 893 28 35ms 2 Oct 2019 87th AkashTandon167 893 28 35ms 16 Nov 2019 87th breeezi 893 28 34ms 29 Jan 2020 87th Sayan505 🇮🇳 893 28 35ms 23 Feb 2020 87th vonKrafft 893 28 35ms 25 Mar 2020 87th proton 🇩🇪 893 28 37ms 20 Jun 2020 87th alexjlaberge 893 28 35ms 27 Jul 2020 87th ToriTheChicken 893 28 37ms 31 Jul 2020 87th thisishowmymindworks 🇳🇴 893 28 36ms 31 Jul 2020 87th yzhs 🇩🇪 893 28 36ms 7 Sep 2020 87th Waffle3z 893 28 35ms 25 Sep 2020 87th ReidZ3 🇺🇸 893 28 36ms 4 Dec 2020 87th doge1338 893 28 38ms 15 Dec 2020 87th meenie 893 28 36ms 8 Jan 2021 87th ForkKILLET 🇨🇳 893 28 35ms 18 Feb 2021 87th inventshah 893 28 36ms 15 Apr 2021 87th Stockoh 🇫🇷 893 28 35ms 21 May 2021 87th enbyte 893 28 34ms 3 Jun 2021 87th madex 🇩🇪 893 28 40ms 28 Jul 2021 87th ninjawarrior1337 893 28 34ms 8 Aug 2021 87th schachmattmatt 893 28 36ms 11 Aug 2021 87th alichraghi 893 28 32ms 14 Oct 2021 87th annaproxy 893 28 34ms 7 Nov 2021 87th Anonymousellama21 893 28 33ms 24 Nov 2021 87th RandGuy 893 28 34ms 14 Dec 2021 87th Eolu 893 28 34ms 20 Jan 2022 87th QuincyNash 🇺🇸 893 28 34ms 21 Jan 2022 87th Mortis66666 893 28 35ms 3 Jun 2022 87th abrn 893 28 34ms 30 Jul 2022 87th aksyristos 893 28 34ms 8 Oct 2022 87th luni-moon 🇺🇸 893 28 37ms 23 Dec 2022 87th MCausc78 🇺🇦 893 28 38ms 5 Jan 2023 87th Betuaredead 893 28 32ms 14 Jan 2023 87th Iznoanygod 🇺🇸 893 28 35ms 3 Mar 2023 87th HumanoidCPU 893 28 34ms 3 Aug 2023 87th adamnielson42 🇺🇸 893 28 36ms 12 Dec 2023 87th epic-programmer-guy 893 28 35ms 19 Dec 2023 87th kkoenig 893 28 34ms 20 Dec 2023 87th wenbang24 893 28 35ms 29 Mar 2024 87th ComputerKWasTaken 🇺🇸 893 28 35ms 4 Jun 2024 87th kroolp 🇵🇱 893 28 35ms 6 Jul 2024 87th wowu 893 28 36ms 19 Sep 2024 87th abhishekg999 893 28 36ms 22 Sep 2024 87th lifthrasiir 🇰🇷 893 28 35ms 9 Nov 2024 87th Quirkly-Quasar 893 28 35ms 25 Nov 2024 87th sciencejiho 893 28 34ms 10 Feb 2025 87th codereport 🇨🇦 893 28 34ms 19 Apr 2025 87th gigaprofisi 🇺🇸 893 28 37ms 28 Jun 2025 87th Code-Coder-coder 893 28 35ms 11 Oct 2025 87th blaztoma 🇱🇹 893 28 39ms 16 Oct 2025 First Prev 81–160 of 195 Next Last
