The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Quine in all languages 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 479th thospel 949 21 3ms 28 Mar 2018 479th primo-ppcg 🇹🇭 949 21 2ms 3 Dec 2018 479th somebody1234 949 21 2ms 5 Dec 2018 479th prplz 🇦🇺 949 21 2ms 20 Mar 2019 479th retrohun 949 21 2ms 15 May 2019 479th TFeld00 🇩🇰 949 21 2ms 7 Aug 2019 479th AkashTandon167 949 21 2ms 15 Oct 2019 479th o0lit3 🇺🇸 949 21 2ms 19 Sep 2020 479th Lydxn 🇨🇦 949 21 2ms 6 Oct 2020 479th GrayJoKing 🇦🇺 949 21 3ms 20 Oct 2020 479th sisyphus-ppcg 🇦🇺 949 21 3ms 10 Dec 2020 479th BBoehm 🇩🇪 949 21 3ms 10 Feb 2021 479th lynn 949 21 2ms 3 Apr 2021 479th JayXon 🇺🇸 949 21 2ms 16 May 2021 479th Natanaelel 🇸🇪 949 21 2ms 28 May 2021 479th mokymok 🇺🇸 949 21 2ms 16 Jun 2021 479th kurkale6ka 949 21 2ms 15 Jul 2021 479th MeWhenI 🇻🇦 949 21 2ms 19 Jul 2021 479th sean-niemann 🇺🇸 949 21 2ms 23 Aug 2021 479th m-tkach 🇺🇦 949 21 2ms 27 Aug 2021 479th theunofficialcoder 949 21 3ms 1 Sep 2021 479th tegenton 949 21 2ms 4 Oct 2021 479th nwellnhof 🇩🇪 949 21 2ms 2 Nov 2021 479th janbehrens 🇩🇪 949 21 2ms 8 Dec 2021 479th SirBogman 🇺🇸 949 21 2ms 15 Dec 2021 479th scpchicken 🇵🇼 949 21 2ms 16 Jan 2022 479th varhammer 🇷🇺 949 21 2ms 31 Jan 2022 479th Super-Pizza 🇨🇦 949 21 2ms 6 Apr 2022 479th voytxt 🇨🇿 949 21 2ms 20 May 2022 479th shinh 949 21 2ms 28 Jun 2022 479th saito-ta 🇯🇵 949 21 2ms 28 Jun 2022 479th michael-pruglo 🇺🇦 949 21 2ms 6 Jul 2022 479th Steffan153 🇫🇮 949 21 3ms 23 Sep 2022 479th DialFrost 🇸🇬 949 21 3ms 8 Nov 2022 479th andersk 🇺🇸 949 21 3ms 23 Nov 2022 479th trist224 🇫🇷 949 21 2ms 28 Nov 2022 479th emirps 949 21 2ms 8 Feb 2023 479th neel11235813 949 21 2ms 23 Mar 2023 479th Yewzir 🇧🇪 949 21 2ms 25 May 2023 479th klixel 🇨🇦 949 21 2ms 5 Jun 2023 479th ovs-code 🇩🇪 949 21 2ms 3 Oct 2023 479th byronknoll 🇺🇸 949 21 2ms 18 Jan 2024 479th pardouin 🇫🇷 949 21 2ms 19 Jul 2024 479th LostSyntax21 🇬🇧 949 21 2ms 31 Aug 2024 479th madeforlosers 949 21 2ms 20 Sep 2024 479th CaedenHarper 🇨🇦 949 21 2ms 13 Oct 2024 479th Bobracha 949 21 2ms 28 Dec 2024 479th fuzzylojik-golf 🇺🇸 949 21 2ms 1 Jun 2025 479th xsot 🇸🇬 949 21 2ms 24 Jun 2025 479th dokutan 949 21 2ms 16 Jul 2025 479th snoozingnewt 🇨🇦 949 21 3ms 12 Oct 2025 479th iczelia 🇩🇪 949 21 3ms 14 Oct 2025 479th CornerMercury 🇬🇧 949 21 3ms 10 days ago 479th yoikolover 949 21 3ms 6 days ago 535th sisyphus-ppcg 🇦🇺 946 10 53ms 22 Jul 2022 535th GolfingSuccess 🇬🇷 946 10 40ms 22 Jul 2022 535th saito-ta 🇯🇵 946 10 38ms 22 Jul 2022 535th lynn 946 10 38ms 22 Jul 2022 535th Lydxn 🇨🇦 946 10 39ms 31 Jul 2022 535th HPWiz 🇳🇿 946 10 40ms 4 Oct 2022 535th CatsAreFluffy 946 10 40ms 24 Oct 2022 535th primo-ppcg 🇹🇭 946 10 47ms 7 Dec 2022 535th AlephSquirrel 946 10 38ms 30 Dec 2022 535th DialFrost 🇸🇬 946 10 40ms 4 Jan 2023 535th sean-niemann 🇺🇸 946 10 53ms 4 Jan 2023 535th Steffan153 🇫🇮 946 10 50ms 7 Jan 2023 535th pardouin 🇫🇷 946 10 39ms 30 Jul 2024 535th emgordon154 946 10 45ms 7 Sep 2024 535th lifthrasiir 🇰🇷 946 10 51ms 22 Nov 2024 535th 2bular 946 10 50ms 5 Mar 2025 535th Herbert00709 🇵🇱 946 10 55ms 3 Nov 2025 552nd PFischbeck 944 32 9ms 17 Nov 2017 552nd lmeuser 944 32 8ms 2 Dec 2017 552nd aaay-aaay 944 32 9ms 6 Jan 2018 552nd kevinmchung 944 32 9ms 8 Jan 2018 552nd myfatemi04 944 32 9ms 9 Jan 2018 552nd djtuBIG-MaliceX 944 32 9ms 31 Jan 2018 552nd lrustand 944 32 9ms 1 Feb 2018 552nd Constructor7 944 32 9ms 15 Feb 2018 552nd ragerin 944 32 9ms 21 Feb 2018 First Prev 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