The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Fibonacci 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 744th giacomogallina 953 47 2ms 14 Dec 2023 744th kkoenig 953 47 1ms 22 Dec 2023 744th byronknoll 🇺🇸 953 47 1ms 6 Feb 2024 744th SadiinsoSnowfall 🇫🇷 953 47 2,451ms 13 Feb 2024 744th trist224 🇫🇷 953 47 2,219ms 14 Feb 2024 744th mathisfun271 953 47 1ms 14 Feb 2024 744th ehulinsky 🇺🇸 953 47 1ms 15 Feb 2024 744th Luca2812 953 47 1ms 1 Mar 2024 744th neel11235813 953 47 2ms 26 Mar 2024 744th Mandrzejy 🇵🇱 953 47 1ms 1 Apr 2024 744th Herbert00709 🇵🇱 953 47 2ms 1 Apr 2024 744th Flying-Toast 953 47 2ms 25 Apr 2024 744th jipsong 🇩🇪 953 47 2ms 1 Jul 2024 744th Kacarott 🇦🇺 953 47 1ms 29 Aug 2024 744th edsrzf 🇳🇿 953 47 2ms 12 Sep 2024 744th pardouin 🇫🇷 953 47 1ms 22 Sep 2024 744th SimBys 953 47 1ms 22 Oct 2024 744th AdrienHache 🇫🇷 953 47 1ms 16 Dec 2024 744th kaurakeksi 🇫🇮 953 47 2ms 29 Dec 2024 744th rucin93 🇵🇱 953 47 1ms 16 Jan 2025 744th Natanaelel 🇸🇪 953 47 1ms 24 Jan 2025 744th Iznoanygod 🇺🇸 953 47 2ms 16 Apr 2025 744th b-illy 🇬🇧 953 47 2ms 31 May 2025 744th emgordon154 953 47 2ms 1 Jun 2025 744th oscargeerts 953 47 2ms 23 Jun 2025 744th iczelia 🇩🇪 953 47 1ms 16 Oct 2025 744th luuumine 🇫🇷 953 47 2ms 23 Oct 2025 744th ansgustjd 953 47 2ms 5 Nov 2025 744th cefqrn 953 47 1ms 17 Nov 2025 744th solisolu 953 47 2ms 27 days ago 744th bzd7 953 47 2ms 11 days ago 832nd lukechampine 953 79 259ms 16 Apr 2020 832nd bendiscz 953 79 259ms 16 Apr 2020 832nd primo-ppcg 🇹🇭 953 79 257ms 16 Apr 2020 832nd nwwdles 953 79 264ms 16 Apr 2020 832nd cmethvin 953 79 268ms 16 Apr 2020 832nd PFedak 953 79 267ms 16 Apr 2020 832nd guliyevemil1 🇦🇿 953 79 262ms 16 Apr 2020 832nd tflyons 953 79 266ms 17 Apr 2020 832nd 1lann 953 79 261ms 17 Apr 2020 832nd jerrandolph 953 79 311ms 17 Apr 2020 832nd Shanethegamer 🇺🇸 953 79 260ms 17 Apr 2020 832nd jamesallured 953 79 257ms 18 Apr 2020 832nd stuartcarnie 953 79 262ms 18 Apr 2020 832nd yzhs 🇩🇪 953 79 257ms 19 Apr 2020 832nd MahlerFive 🇨🇦 953 79 264ms 20 Apr 2020 832nd b97tsk 953 79 258ms 20 Apr 2020 832nd jerome-laforge 953 79 260ms 20 Apr 2020 832nd yzzyx 953 79 263ms 20 Apr 2020 832nd aivarasbaranauskas 953 79 257ms 20 Apr 2020 832nd j0ran 953 79 268ms 20 Apr 2020 832nd joaxcar 953 79 257ms 20 Apr 2020 832nd potatoattack 953 79 261ms 20 Apr 2020 832nd titpetric 953 79 262ms 20 Apr 2020 832nd agschwender 953 79 262ms 20 Apr 2020 832nd crholm 953 79 260ms 21 Apr 2020 832nd tsakath 953 79 264ms 22 Apr 2020 832nd SirBogman 🇺🇸 953 79 272ms 23 Apr 2020 832nd cduerm 953 79 260ms 12 May 2020 832nd prplz 🇦🇺 953 79 261ms 5 Jul 2020 832nd dpatterbee 953 79 255ms 20 Aug 2020 832nd KatieLG 🇬🇧 953 79 259ms 28 Sep 2020 832nd Irratix 🇳🇱 953 79 255ms 17 Oct 2020 832nd nwellnhof 🇩🇪 953 79 250ms 17 Oct 2020 832nd NewDefectus 🇮🇱 953 79 258ms 1 Nov 2020 832nd emplv 🇱🇻 953 79 261ms 24 Nov 2020 832nd JayXon 🇺🇸 953 79 268ms 27 Dec 2020 832nd GrayJoKing 🇦🇺 953 79 261ms 9 Jan 2021 832nd Lydxn 🇨🇦 953 79 261ms 10 Jan 2021 832nd sisyphus-ppcg 🇦🇺 953 79 266ms 22 Jan 2021 832nd MatheusAvellar 🇧🇷 953 79 262ms 6 May 2021 832nd Natanaelel 🇸🇪 953 79 254ms 27 May 2021 832nd cure-honey 🇯🇵 953 79 261ms 23 Jun 2021 832nd vang1ong7ang 953 79 260ms 26 Oct 2021 832nd yzkonchain 953 79 283ms 26 Oct 2021 832nd Hecate2 953 79 263ms 26 Oct 2021 832nd MeWhenI 🇻🇦 953 79 270ms 4 Nov 2021 832nd stefangimmillaro 953 79 256ms 7 Jan 2022 832nd btnlq 953 79 283ms 1 Feb 2022 832nd JRaspass 🇬🇧 953 79 259ms 29 Mar 2022 First Prev 801–880 of 9,575 Next Last
