The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Fibonacci in PowerShell 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 1st btnlq 1,000 27 202ms 12 Jan 2021 1st prplz 🇦🇺 1,000 27 217ms 14 Feb 2021 1st sisyphus-ppcg 🇦🇺 1,000 27 200ms 20 Feb 2021 1st Lydxn 🇨🇦 1,000 27 211ms 2 Sep 2021 1st primo-ppcg 🇹🇭 1,000 27 219ms 13 Dec 2021 1st Yewzir 🇧🇪 1,000 27 218ms 8 Apr 2024 1st pardouin 🇫🇷 1,000 27 221ms 22 Sep 2024 1st DialFrost 🇸🇬 1,000 27 244ms 5 days ago 9th mutaguchi 964 28 218ms 5 Jun 2020 9th m698322h 964 28 224ms 11 Jun 2020 9th GrayJoKing 🇦🇺 964 28 217ms 12 Jan 2021 9th nwellnhof 🇩🇪 964 28 241ms 6 Dec 2021 9th Shanethegamer 🇺🇸 964 28 222ms 11 Jul 2022 9th MeWhenI 🇻🇦 964 28 220ms 29 Jan 2023 9th Steffan153 🇫🇮 964 28 217ms 16 Mar 2023 9th Feniske 🇫🇷 964 28 212ms 7 Nov 2023 9th ovs-code 🇩🇪 964 28 195ms 13 Dec 2023 9th dcgjb 964 28 213ms 16 Jan 2024 9th 5quiwyrm 964 28 191ms 4 Dec 2024 9th JayXon 🇺🇸 964 28 213ms 15 Dec 2024 9th sean-niemann 🇺🇸 964 28 211ms 26 Feb 2025 9th bitsandbeyond 🇳🇱 964 28 211ms 4 Nov 2025 23rd KevinMarquette 🇺🇸 931 29 235ms 8 Jun 2020 23rd juliansiebert 🇩🇪 931 29 258ms 14 Jul 2022 23rd SirBogman 🇺🇸 931 29 202ms 8 Jan 2024 23rd grey0ut 931 29 169ms 9 Apr 2024 23rd snoozingnewt 🇨🇦 931 29 218ms 4 Oct 2025 28th ashscodes 900 30 204ms 2 Nov 2020 28th MatheusAvellar 🇧🇷 900 30 228ms 7 May 2021 28th okhoel 🇳🇴 900 30 191ms 13 Sep 2022 28th janbehrens 🇩🇪 900 30 219ms 3 Dec 2023 28th neel11235813 900 30 207ms 26 Mar 2024 28th plcc0 900 30 241ms 21 Apr 2025 34th bstrautin 871 31 215ms 12 Jun 2020 34th matt9ucci 871 31 201ms 20 Jun 2020 34th TimCurwick 🇺🇸 871 31 193ms 11 Nov 2020 34th stefangimmillaro 871 31 200ms 29 May 2022 34th MaxCastella 🇫🇷 871 31 213ms 13 Oct 2023 34th REOScotte 871 31 221ms 15 days ago 40th sanderkl 844 32 222ms 5 Jun 2020 40th qlikq 844 32 211ms 12 Jun 2020 40th hasan1st 844 32 227ms 13 Jun 2020 40th HumanEquivalentUnit 844 32 200ms 11 Oct 2020 40th BBoehm 🇩🇪 844 32 203ms 26 Dec 2020 40th scpchicken 🇵🇼 844 32 205ms 25 Mar 2022 46th cam2998 818 33 214ms 10 Jun 2020 46th purplemonkeymad 818 33 209ms 15 Jun 2022 46th Lv0Sys 🇵🇱 818 33 219ms 30 May 2025 49th solisolu 794 34 207ms 18 Nov 2025 50th sultan 771 35 221ms 1 May 2021 50th ze-h 🇺🇸 771 35 194ms 10 Jan 2022 50th rogerrb 771 35 225ms 15 Jun 2022 50th SteveL-MSFT 771 35 208ms 16 Jun 2022 50th Msleizak 🇫🇷 771 35 200ms 20 Dec 2023 50th kkoenig 771 35 248ms 22 Dec 2023 50th duckyluuk 🇳🇱 771 35 201ms 28 Mar 2024 50th israem 771 35 187ms 6 May 2024 50th Ripick 771 35 208ms 7 Mar 2025 50th blaztoma 🇱🇹 771 35 215ms 26 Aug 2025 50th DelaneyJM 771 35 207ms 6 days ago 61st IISResetMe 750 36 209ms 3 Jun 2020 61st jhoneill 750 36 209ms 5 Jun 2020 61st burkasaurusrex 750 36 215ms 11 Jun 2020 61st ScriptingPro 750 36 211ms 23 Nov 2020 61st NewDefectus 🇮🇱 750 36 195ms 6 Feb 2021 61st NicolasBn 🇫🇷 750 36 208ms 1 May 2021 61st krcs 🇵🇱 750 36 221ms 22 Jan 2023 61st TaserTheFox 🇺🇸 750 36 214ms 7 Jun 2023 61st corbob 🇨🇦 750 36 195ms 3 May 2024 61st FortuiteMan 🇫🇷 750 36 201ms 8 Oct 2024 71st jfrmilner 🇬🇧 730 37 188ms 13 Aug 2023 71st cmkb3 730 37 216ms 30 Nov 2023 71st error256 730 37 198ms 11 May 2024 71st emgordon154 730 37 215ms 20 Nov 2025 75th tofuweasel 711 38 222ms 3 Jun 2020 75th jdallma 711 38 216ms 4 Jun 2020 75th xadozuk 711 38 213ms 8 Jun 2020 75th J0ram 711 38 220ms 11 Jun 2020 75th rvdnieuwendijk 🇳🇱 711 38 203ms 19 Jun 2020 75th lahell 711 38 247ms 2 Jul 2020 1–80 of 183 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