The Calendar hole will go live in approximately 11 days. Why not try and solve it ahead of time?
Fibonacci in all languages 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 511th b10011 🇫🇮 961 43 1ms 28 Dec 2022 511th cefqrn 961 43 2ms 31 Dec 2022 511th MCausc78 🇺🇦 961 43 1ms 5 Jan 2023 511th sean-niemann 🇺🇸 961 43 1ms 6 Jan 2023 511th CheeseCake628 🇳🇴 961 43 2ms 14 Feb 2023 511th scpchicken 🇵🇼 961 43 1ms 6 Mar 2023 511th KingSkyrock 🇺🇸 961 43 1ms 22 Mar 2023 511th mtirado1 961 43 1ms 17 Apr 2023 511th Sciman101 961 43 1ms 16 May 2023 511th Yewzir 🇧🇪 961 43 1ms 29 May 2023 511th ToE42 961 43 1ms 14 Jul 2023 511th adriweb 🇫🇷 961 43 1ms 8 Aug 2023 511th ovs-code 🇩🇪 961 43 1ms 16 Aug 2023 511th jipsong 🇩🇪 961 43 1ms 25 Aug 2023 511th jacobly0 🇺🇸 961 43 1ms 4 Sep 2023 511th snoozingnewt 🇨🇦 961 43 1ms 10 Sep 2023 511th m-tkach 🇺🇦 961 43 1ms 10 Sep 2023 511th msbranicky 961 43 2ms 10 Sep 2023 511th FlyingPenguin223 961 43 1ms 2 Oct 2023 511th charliegaming 961 43 1ms 3 Oct 2023 511th xsot 🇸🇬 961 43 1ms 9 Oct 2023 511th SirBogman 🇺🇸 961 43 1ms 20 Oct 2023 511th m42km 961 43 1ms 25 Nov 2023 511th epic-programmer-guy 961 43 1ms 17 Dec 2023 511th stellartux 961 43 1ms 24 Dec 2023 511th duckyluuk 🇳🇱 961 43 1ms 22 Feb 2024 511th BREMAUCY 🇫🇷 961 43 1ms 7 Mar 2024 511th HumanoidCPU 961 43 1ms 14 Mar 2024 511th NickTheEASDude 🇺🇸 961 43 1ms 21 Mar 2024 511th neel11235813 961 43 1ms 26 Mar 2024 511th Herbert00709 🇵🇱 961 43 1ms 11 Apr 2024 511th error256 961 43 1ms 9 May 2024 511th jtaxen 961 43 1ms 4 Jun 2024 511th lynn 961 43 1ms 23 Jun 2024 511th dokutan 961 43 1ms 26 Jun 2024 511th fgrosshans 🇫🇷 961 43 1ms 27 Aug 2024 511th pardouin 🇫🇷 961 43 1ms 4 Sep 2024 511th edsrzf 🇳🇿 961 43 1ms 12 Sep 2024 511th Vexxter9 🇳🇱 961 43 1ms 20 Sep 2024 511th alemelis 961 43 2ms 26 Sep 2024 511th CaedenHarper 🇨🇦 961 43 1ms 22 Oct 2024 511th akritid 961 43 1ms 23 Oct 2024 511th koipondx86 961 43 1ms 31 Oct 2024 511th snyderek 🇺🇸 961 43 1ms 20 Jan 2025 511th desecaw13 961 43 1ms 24 Jan 2025 511th mishak-sys 961 43 1ms 25 Feb 2025 511th not-a-pokemon 961 43 2ms 25 Feb 2025 511th frosster 961 43 1ms 11 Mar 2025 511th Blendi-Goose 961 43 1ms 15 Mar 2025 511th kTheLemon 961 43 1ms 16 Mar 2025 511th MeepMoop 961 43 1ms 9 Apr 2025 511th SwordF-Official 961 43 1ms 9 Apr 2025 511th gonengazit 961 43 1ms 9 Apr 2025 511th fuzzylojik-golf 🇺🇸 961 43 1ms 29 May 2025 511th ikskuh 961 43 2ms 27 Jun 2025 511th synt7x 🇺🇸 961 43 1ms 5 Jul 2025 511th GolfingSuccess 🇬🇷 961 43 1ms 19 Sep 2025 511th plcc0 961 43 1ms 23 Oct 2025 511th Babafaba 961 43 1ms 25 Oct 2025 511th CarterStroik 961 43 1ms 12 Nov 2025 511th solisolu 961 43 2ms 26 days ago 511th Andrey2001 961 43 1ms 24 days ago 511th FortuiteMan 🇫🇷 961 43 1ms 21 days ago 511th CornerMercury 🇬🇧 961 43 2ms 12 days ago 511th KasperKivimaeki 🇫🇮 961 43 2ms 11 days ago 511th aadenboy 🇺🇸 961 43 2ms 3 days ago 627th Lydxn 🇨🇦 961 69 61ms 1 Jan 2022 627th prplz 🇦🇺 961 69 82ms 1 Jan 2022 627th JayXon 🇺🇸 961 69 82ms 2 Jan 2022 627th sean-niemann 🇺🇸 961 69 65ms 2 Jan 2022 627th sisyphus-ppcg 🇦🇺 961 69 69ms 2 Jan 2022 627th nwellnhof 🇩🇪 961 69 78ms 2 Jan 2022 627th m-tkach 🇺🇦 961 69 81ms 2 Jan 2022 627th Irratix 🇳🇱 961 69 66ms 3 Jan 2022 627th SirBogman 🇺🇸 961 69 78ms 3 Jan 2022 627th GrayJoKing 🇦🇺 961 69 74ms 4 Jan 2022 627th btnlq 961 69 81ms 4 Jan 2022 627th primo-ppcg 🇹🇭 961 69 67ms 18 Jan 2022 627th inventshah 961 69 64ms 19 Jan 2022 627th MeWhenI 🇻🇦 961 69 68ms 8 May 2022 First Prev 561–640 of 9,519 Next Last