The Calendar hole will go live in approximately 13 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 795th daisy-lau 952 34 8ms 6 Jul 2020 795th guliyevemil1 🇦🇿 952 34 8ms 3 Feb 2021 795th Darrennchan8 952 34 8ms 23 Aug 2021 795th didion0 🇺🇸 952 34 8ms 14 Feb 2022 795th eranws 952 34 9ms 28 Oct 2022 795th Nicronmil 952 34 8ms 22 Nov 2022 795th DayDun 🇸🇪 952 34 8ms 23 Jan 2023 795th scpchicken 🇵🇼 952 34 9ms 4 Feb 2023 795th kkoenig 952 34 9ms 8 Jan 2024 795th Kacarott 🇦🇺 952 34 9ms 6 Jun 2024 795th targrik 952 34 8ms 5 Feb 2025 812th primo-ppcg 🇹🇭 950 28 13ms 31 Jan 2022 812th HPWiz 🇳🇿 950 28 13ms 20 Feb 2022 812th Sakisan 🇧🇪 950 28 14ms 11 Jul 2022 815th Steffan153 🇫🇮 950 32 355ms 18 Jan 2024 815th Lydxn 🇨🇦 950 32 348ms 20 Jan 2024 815th JayXon 🇺🇸 950 32 350ms 25 Jan 2024 815th sean-niemann 🇺🇸 950 32 367ms 24 Jan 2025 815th GolfingSuccess 🇬🇷 950 32 349ms 31 Aug 2025 820th sisyphus-ppcg 🇦🇺 948 33 2ms 30 Oct 2022 820th Lydxn 🇨🇦 948 33 1ms 18 Jan 2025 822nd sisyphus-ppcg 🇦🇺 947 38 114ms 29 May 2021 822nd Lydxn 🇨🇦 947 38 119ms 4 Nov 2021 824th JayXon 🇺🇸 947 45 75ms 11 Oct 2022 824th stefangimmillaro 947 45 76ms 7 May 2023 826th edsrzf 🇳🇿 947 58 409ms 24 Sep 2025 826th CaedenHarper 🇨🇦 947 58 454ms 24 Sep 2025 826th error256 947 58 498ms 24 Sep 2025 826th Shanethegamer 🇺🇸 947 58 434ms 25 Sep 2025 826th FlyingPenguin223 947 58 424ms 25 Sep 2025 826th emgordon154 947 58 432ms 25 Sep 2025 826th duckyluuk 🇳🇱 947 58 406ms 25 Sep 2025 826th m-tkach 🇺🇦 947 58 387ms 25 Sep 2025 826th voytxt 🇨🇿 947 58 367ms 25 Sep 2025 826th Yewzir 🇧🇪 947 58 452ms 2 Oct 2025 826th Andrey2001 947 58 497ms 24 days ago 837th I-Love-47 🇺🇦 947 70 78ms 8 Feb 2022 837th ZakkkkAttackkkk 🇵🇭 947 70 75ms 27 Jul 2022 837th FlorianCassayre 🇫🇷 947 70 74ms 10 Oct 2022 837th thatbirdguythatuknownot 947 70 76ms 8 Jan 2023 837th tailorspy 947 70 65ms 15 Mar 2023 837th neel11235813 947 70 57ms 16 Dec 2023 837th wlaud9 947 70 61ms 5 Feb 2024 837th SadiinsoSnowfall 🇫🇷 947 70 67ms 15 Feb 2024 837th oceko 947 70 81ms 19 Feb 2024 837th bac0id 947 70 80ms 23 Feb 2024 837th IlkkaTakala 947 70 83ms 26 Apr 2024 837th cefqrn 947 70 74ms 26 May 2024 837th Kacarott 🇦🇺 947 70 60ms 29 Aug 2024 837th edsrzf 🇳🇿 947 70 76ms 12 Sep 2024 837th plcc0 947 70 76ms 27 Mar 2025 837th emgordon154 947 70 81ms 1 Jun 2025 837th IntOverflow-maxwell 947 70 64ms 26 Aug 2025 837th timhaj 🇸🇮 947 70 67ms 12 Sep 2025 837th LordSir101 947 70 81ms 17 Sep 2025 837th Zounon 947 70 75ms 18 Sep 2025 837th qpwoeirut 947 70 66ms 14 Oct 2025 837th CaedenHarper 🇨🇦 947 70 80ms 30 Oct 2025 859th Kacarott 🇦🇺 946 26 63ms 9 days ago 859th GrayJoKing 🇦🇺 946 26 83ms 8 days ago 859th error256 946 26 61ms 7 days ago 862nd Attero 🇸🇪 946 52 367ms 21 Nov 2021 862nd BBoehm 🇩🇪 946 52 372ms 21 Nov 2021 862nd eldritchconundrum 946 52 368ms 21 Nov 2021 862nd initram 946 52 366ms 21 Nov 2021 862nd jakzo 946 52 371ms 21 Nov 2021 862nd janbehrens 🇩🇪 946 52 388ms 21 Nov 2021 862nd KatieLG 🇬🇧 946 52 339ms 21 Nov 2021 862nd markdchurchill 946 52 349ms 21 Nov 2021 862nd raphaelimahorn 946 52 366ms 21 Nov 2021 862nd m-tkach 🇺🇦 946 52 378ms 2 Dec 2021 862nd Irratix 🇳🇱 946 52 392ms 9 Dec 2021 862nd SirBogman 🇺🇸 946 52 416ms 14 Dec 2021 862nd ovs-code 🇩🇪 946 52 358ms 6 Jul 2022 862nd Shanethegamer 🇺🇸 946 52 391ms 11 Jul 2022 862nd tkr-sh 🇰🇵 946 52 361ms 14 Jul 2022 862nd ZakkkkAttackkkk 🇵🇭 946 52 375ms 26 Jul 2022 862nd 5quiwyrm 946 52 385ms 31 Aug 2022 862nd Alex-x90 🇺🇸 946 52 364ms 17 Oct 2022 862nd trist224 🇫🇷 946 52 362ms 9 Nov 2022 First Prev 801–880 of 9,515 Next Last