The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Fibonacci in Raku 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 48th oceko 792 24 118ms 28 Nov 2022 48th 4hg 🇺🇸 792 24 105ms 28 Jan 2023 48th ashtraypettingzoo 🇺🇸 792 24 108ms 3 Apr 2023 48th Adix-null 🇱🇹 792 24 122ms 5 Jul 2023 48th rcmlz 792 24 95ms 13 Apr 2024 48th HumanoidCPU 792 24 105ms 5 Nov 2024 48th rucin93 🇵🇱 792 24 104ms 16 Jan 2025 48th FortuiteMan 🇫🇷 792 24 102ms 10 Jul 2025 48th snoozingnewt 🇨🇦 792 24 111ms 23 Sep 2025 90th hughsimpson 760 25 111ms 28 Jan 2018 90th labster 760 25 113ms 4 Feb 2018 90th IAGOAG 760 25 103ms 25 Jun 2018 90th ObserverOfTime 760 25 97ms 18 Nov 2018 90th redstarrer 760 25 128ms 11 Jan 2021 90th 094-gengar 🇯🇵 760 25 109ms 26 Mar 2021 90th annaproxy 760 25 119ms 4 Jan 2022 90th krcs 🇵🇱 760 25 109ms 21 Apr 2022 98th MattOates 731 26 115ms 17 Sep 2017 98th FCO 731 26 110ms 20 Jan 2018 98th bluebear94 731 26 105ms 31 Jan 2018 98th mcreenan 731 26 94ms 22 Jun 2018 102nd antihec 704 27 128ms 17 Sep 2017 102nd perlpilot 704 27 116ms 19 Sep 2017 102nd PaulHanson 704 27 114ms 1 Oct 2017 102nd jslip 704 27 96ms 19 Jul 2018 102nd janbehrens 🇩🇪 704 27 95ms 2 Jan 2021 102nd kurkale6ka 704 27 114ms 1 Sep 2021 102nd yokasuretsu 704 27 141ms 23 Jan 2025 109th olleicua 🇺🇸 679 28 122ms 12 Feb 2024 109th dokutan 679 28 149ms 14 Oct 2024 111th massung 655 29 116ms 26 Mar 2019 111th giacomogallina 655 29 130ms 7 Jun 2019 111th jjatria 655 29 93ms 2 Jul 2020 114th gustawdaniel 594 32 111ms 1 Apr 2018 114th Mr-Xcoder 594 32 119ms 18 Apr 2018 116th Cr3aHal0 576 33 110ms 5 Jul 2019 117th kevinmchung 559 34 136ms 7 Jan 2018 118th ohmycloud 543 35 109ms 19 Dec 2017 118th jaredcrystal 🇺🇸 543 35 134ms 17 Mar 2018 118th MatheusAvellar 🇧🇷 543 35 96ms 11 May 2021 121st kkoenig 528 36 126ms 22 Dec 2023 122nd CedricGebistorf 500 38 109ms 6 Feb 2022 123rd sukyoungjeong 463 41 114ms 27 Jun 2018 124th desecaw13 442 43 121ms 24 Jan 2025 125th christensendaniel 432 44 107ms 26 Aug 2023 126th marcin7Cd 422 45 120ms 12 Jan 2021 126th epic-programmer-guy 422 45 121ms 3 Jan 2024 128th madeforlosers 396 48 125ms 22 Nov 2024 129th alphafalfa 373 51 119ms 9 Dec 2024 130th ALANVF 358 53 115ms 17 Nov 2018 131st MichaelMBradley 🇨🇦 352 54 97ms 22 Mar 2022 132nd myfatemi04 345 55 93ms 7 Jan 2018 132nd msbranicky 345 55 96ms 23 Sep 2023 134th CheeseCake628 🇳🇴 339 56 108ms 14 Feb 2023 135th wictory 328 58 122ms 19 Sep 2017 135th dillon-duncando 328 58 673ms 21 Dec 2021 135th Andrey2001 328 58 102ms 26 days ago 138th DaleNaci 322 59 103ms 20 Jul 2018 139th TheRealOhead 🇺🇸 317 60 96ms 28 Nov 2022 139th Zach1031 317 60 108ms 16 Nov 2025 141st sech1p 🇵🇱 297 64 96ms 26 Jun 2021 142nd Maximizer02 292 65 101ms 5 Oct 2023 143rd anananlyjlyj 264 72 108ms 4 Jul 2018 144th willzywiec 260 73 114ms 9 Aug 2018 145th KiwiKoder0123 257 74 100ms 29 Jun 2019 146th Tyil 250 76 124ms 28 Sep 2017 147th rick-gnous 226 84 118ms 4 Sep 2021 148th jtaxen 224 85 120ms 18 Mar 2022 149th martinnorling 🇸🇪 207 92 96ms 7 Apr 2022 150th nico-bachner 192 99 108ms 28 Dec 2020 151st lancew 🇳🇿 137 139 89ms 20 Sep 2017 151st KatieLG-Transpiler 🇬🇧 137 139 108ms 24 Jun 2022 151st Mabeloid 🇳🇴 137 139 108ms 18 Sep 2024 154th rwellens 135 141 100ms 18 Nov 2017 155th ingdanko 134 142 121ms 12 Feb 2019 156th mokymok 🇺🇸 112 169 103ms 9 Nov 2021 157th SnehanjanChatterjee 109 174 98ms 20 Dec 2018 First Prev 81–157 of 157