The Calendar hole will go live in approximately 6 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 623rd rucin93 🇵🇱 948 26 5ms 13 Nov 2020 623rd sisyphus-ppcg 🇦🇺 948 26 5ms 24 Dec 2020 623rd janbehrens 🇩🇪 948 26 5ms 3 Jan 2021 623rd marcin7Cd 948 26 7ms 27 Jan 2021 623rd Shanethegamer 🇺🇸 948 26 5ms 27 Jan 2021 623rd SnowballSH 948 26 5ms 28 Jan 2021 623rd BBoehm 🇩🇪 948 26 4ms 10 Feb 2021 623rd JayXon 🇺🇸 948 26 4ms 14 Apr 2021 623rd MeWhenI 🇻🇦 948 26 4ms 1 May 2021 623rd KatieLG 🇬🇧 948 26 5ms 25 May 2021 623rd RYNO8 948 26 4ms 8 Aug 2021 623rd madex 🇩🇪 948 26 4ms 29 Aug 2021 623rd olivermrose 🇺🇸 948 26 5ms 31 Aug 2021 623rd ai-fischer 948 26 5ms 2 Oct 2021 623rd tegenton 948 26 4ms 4 Oct 2021 623rd ozefe 🇹🇷 948 26 4ms 28 Oct 2021 623rd shellbertt 🇨🇦 948 26 4ms 3 Nov 2021 623rd two-bad 🇬🇧 948 26 4ms 5 Dec 2021 623rd SirBogman 🇺🇸 948 26 5ms 15 Dec 2021 623rd scpchicken 🇵🇼 948 26 5ms 12 Jan 2022 623rd voytxt 🇨🇿 948 26 5ms 17 Mar 2022 623rd m-tkach 🇺🇦 948 26 5ms 18 May 2022 623rd lynn 948 26 5ms 24 May 2022 623rd solmyr2000 948 26 4ms 15 Jun 2022 623rd yzhs 🇩🇪 948 26 5ms 23 Jun 2022 623rd michael-pruglo 🇺🇦 948 26 5ms 6 Jul 2022 623rd Steffan153 🇫🇮 948 26 4ms 25 Sep 2022 623rd 4hg 🇺🇸 948 26 4ms 17 Oct 2022 623rd DialFrost 🇸🇬 948 26 4ms 8 Nov 2022 623rd DaCuteRaccoon 948 26 5ms 1 Dec 2022 623rd MCausc78 🇺🇦 948 26 5ms 5 Jan 2023 623rd AlephSquirrel 948 26 5ms 21 Jan 2023 623rd ovs-code 🇩🇪 948 26 5ms 25 Jan 2023 623rd neel11235813 948 26 4ms 13 Mar 2023 623rd Dominoscompute 948 26 5ms 20 Apr 2023 623rd Yewzir 🇧🇪 948 26 4ms 26 May 2023 623rd StHagel 948 26 5ms 3 Aug 2023 623rd ndren 948 26 4ms 6 Aug 2023 623rd Siri-chan 948 26 4ms 17 Aug 2023 623rd stackofbears 948 26 5ms 10 Sep 2023 623rd snoozingnewt 🇨🇦 948 26 5ms 15 Sep 2023 623rd madeforlosers 948 26 5ms 5 Apr 2024 623rd pardouin 🇫🇷 948 26 4ms 19 Jul 2024 623rd CaedenHarper 🇨🇦 948 26 5ms 5 Aug 2024 623rd kg583 🇺🇸 948 26 4ms 10 Sep 2024 623rd duckyluuk 🇳🇱 948 26 5ms 19 Sep 2024 623rd xsot 🇸🇬 948 26 5ms 5 Oct 2024 623rd edsrzf 🇳🇿 948 26 4ms 23 Oct 2024 623rd dokutan 948 26 5ms 30 Oct 2024 623rd FlyingPenguin223 948 26 4ms 27 Nov 2024 623rd lifthrasiir 🇰🇷 948 26 5ms 27 Nov 2024 623rd GolfingSuccess 🇬🇷 948 26 5ms 22 Dec 2024 623rd CLOStrophobic 🇮🇹 948 26 5ms 18 Jan 2025 623rd zacjl 948 26 5ms 20 Jan 2025 623rd JunkIce 948 26 5ms 26 Feb 2025 623rd not-a-pokemon 948 26 5ms 26 Mar 2025 623rd sean-niemann 🇺🇸 948 26 5ms 17 Apr 2025 623rd fuzzylojik-golf 🇺🇸 948 26 4ms 29 May 2025 623rd gigaprofisi 🇺🇸 948 26 4ms 29 Jun 2025 623rd BREMAUCY 🇫🇷 948 26 4ms 25 Jul 2025 623rd Babafaba 948 26 5ms 30 Oct 2025 623rd iczelia 🇩🇪 948 26 5ms 1 Nov 2025 623rd JOrE20 🇺🇸 948 26 5ms 20 days ago 623rd CornerMercury 🇬🇧 948 26 5ms 18 days ago 705th HPWiz 🇳🇿 948 35 126ms 14 Apr 2020 705th primo-ppcg 🇹🇭 948 35 130ms 14 Apr 2020 705th prplz 🇦🇺 948 35 124ms 16 Apr 2020 705th Lydxn 🇨🇦 948 35 121ms 20 Aug 2020 705th jslip 948 35 131ms 31 Aug 2020 705th marcin7Cd 948 35 121ms 7 Oct 2020 705th sisyphus-ppcg 🇦🇺 948 35 125ms 22 Dec 2020 705th o0lit3 🇺🇸 948 35 125ms 22 Dec 2020 705th GrayJoKing 🇦🇺 948 35 127ms 27 Dec 2020 705th rak1507 🇬🇧 948 35 130ms 18 Jan 2021 705th lynn 948 35 127ms 14 Mar 2021 705th yanqui-uxo 948 35 125ms 23 May 2021 705th JayXon 🇺🇸 948 35 125ms 16 Sep 2021 705th xnor-gate 948 35 131ms 4 Jan 2022 705th DaCuteRaccoon 948 35 124ms 1 Dec 2022 705th sean-niemann 🇺🇸 948 35 127ms 1 Dec 2022 First Prev 641–720 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