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 865th 5quiwyrm 946 52 385ms 31 Aug 2022 865th Alex-x90 🇺🇸 946 52 364ms 17 Oct 2022 865th trist224 🇫🇷 946 52 362ms 9 Nov 2022 865th oceko 946 52 369ms 26 Nov 2022 865th astdefu 946 52 384ms 10 Dec 2022 865th Betuaredead 946 52 377ms 4 Jan 2023 865th Yewzir 🇧🇪 946 52 374ms 5 Feb 2023 865th adyache 🇺🇸 946 52 381ms 30 Apr 2023 865th speles 🇺🇦 946 52 373ms 12 Nov 2023 865th kkoenig 946 52 379ms 22 Dec 2023 865th voytxt 🇨🇿 946 52 362ms 26 Jan 2024 865th duckyluuk 🇳🇱 946 52 371ms 9 Apr 2024 865th error256 946 52 372ms 10 May 2024 865th edsrzf 🇳🇿 946 52 361ms 12 Sep 2024 865th CaedenHarper 🇨🇦 946 52 326ms 16 Jan 2025 865th wiz0u 946 52 323ms 18 Jan 2025 865th Natanaelel 🇸🇪 946 52 333ms 24 Jan 2025 865th emgordon154 946 52 374ms 1 Jun 2025 865th Maximizer02 946 52 381ms 17 Sep 2025 865th cmddog 946 52 364ms 17 Sep 2025 865th LordSir101 946 52 370ms 18 Sep 2025 865th albanian-laundromat 946 52 374ms 30 Oct 2025 865th Soyo-Wind 946 52 328ms 3 Nov 2025 865th solisolu 946 52 375ms 21 Nov 2025 865th Andrey2001 946 52 378ms 26 days ago 865th KasperKivimaeki 🇫🇮 946 52 333ms 23 days ago 865th Pyroan 946 52 399ms 2 days ago 908th primo-ppcg 🇹🇭 944 65 114ms 14 Jan 2022 908th scpchicken 🇵🇼 944 65 120ms 11 Jul 2022 908th tuomas56 944 65 118ms 7 Sep 2022 908th Steffan153 🇫🇮 944 65 118ms 1 Oct 2022 908th Super-Pizza 🇨🇦 944 65 118ms 5 Dec 2022 908th kgodara 944 65 116ms 7 Mar 2023 908th vang1ong7ang 944 65 122ms 10 Apr 2023 908th fisherdarling 944 65 124ms 13 Apr 2023 908th crispshaker 944 65 121ms 10 Jun 2023 908th btnlq 944 65 119ms 19 Jun 2023 908th prplz 🇦🇺 944 65 116ms 28 Jun 2023 908th sbercx 944 65 118ms 29 Jul 2023 908th funnsam 🇭🇰 944 65 118ms 23 Oct 2023 908th drabart 🇵🇱 944 65 121ms 11 Dec 2023 908th SadiinsoSnowfall 🇫🇷 944 65 4,119ms 16 Feb 2024 908th elgan65536 944 65 119ms 12 Mar 2024 908th TylerBloom 944 65 115ms 22 Mar 2024 908th unfinishedprogram 944 65 113ms 3 May 2024 908th trist224 🇫🇷 944 65 4,171ms 12 Aug 2024 908th nullie 944 65 118ms 19 Dec 2024 908th dusmart 944 65 119ms 21 Feb 2025 908th zk524 944 65 118ms 24 Feb 2025 908th ijchen 944 65 129ms 18 Mar 2025 908th TannerJ07 🇺🇸 944 65 123ms 5 Apr 2025 908th aspiringLich 944 65 142ms 27 Oct 2025 908th snoozingnewt 🇨🇦 944 65 118ms 18 days ago 934th Shanethegamer 🇺🇸 942 40 87ms 24 Feb 2021 934th Irratix 🇳🇱 942 40 129ms 24 Feb 2021 934th Lydxn 🇨🇦 942 40 110ms 24 Feb 2021 934th JayXon 🇺🇸 942 40 118ms 25 Feb 2021 934th sisyphus-ppcg 🇦🇺 942 40 102ms 25 Feb 2021 934th primo-ppcg 🇹🇭 942 40 94ms 31 Mar 2021 934th GrayJoKing 🇦🇺 942 40 133ms 3 Apr 2021 934th MatheusAvellar 🇧🇷 942 40 103ms 5 May 2021 934th lynn 942 40 102ms 17 May 2021 934th MeWhenI 🇻🇦 942 40 98ms 11 Oct 2021 934th btnlq 942 40 120ms 1 Feb 2022 934th JRaspass 🇬🇧 942 40 92ms 29 Mar 2022 934th Steffan153 🇫🇮 942 40 87ms 11 Nov 2022 934th Betuaredead 942 40 103ms 4 Jan 2023 934th Yewzir 🇧🇪 942 40 98ms 19 Feb 2023 934th snoozingnewt 🇨🇦 942 40 96ms 23 Sep 2023 934th DialFrost 🇸🇬 942 40 85ms 14 Nov 2023 934th sean-niemann 🇺🇸 942 40 85ms 14 Nov 2023 934th ovs-code 🇩🇪 942 40 94ms 13 Dec 2023 934th neel11235813 942 40 98ms 26 Mar 2024 934th edsrzf 🇳🇿 942 40 100ms 12 Sep 2024 934th pardouin 🇫🇷 942 40 98ms 24 Sep 2024 934th fuzzylojik-golf 🇺🇸 942 40 94ms 29 Aug 2025 957th primo-ppcg 🇹🇭 942 42 1,271ms 30 Nov 2021 957th JayXon 🇺🇸 942 42 1,281ms 30 Nov 2021 957th GrayJoKing 🇦🇺 942 42 1,282ms 30 Nov 2021 957th btnlq 942 42 1,337ms 30 Nov 2021 First Prev 881–960 of 9,520 Next Last