The Calendar hole will go live in approximately 14 hours. Why not try and solve it ahead of time?
Zeckendorf Representation 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 401st emplv 🇱🇻 764 113 101ms 5 Jul 2024 402nd Natanaelel 🇸🇪 764 140 10ms 2 Jul 2024 403rd DialFrost 🇸🇬 763 83 3ms 22 Jan 2025 404th lukegustafson 🇺🇸 760 91 10ms 2 Jul 2024 404th voytxt 🇨🇿 760 91 9ms 22 Jul 2024 406th ovs-code 🇩🇪 760 129 65ms 4 Jul 2024 407th jmerle 🇳🇱 758 141 11ms 4 Jul 2024 408th DialFrost 🇸🇬 758 151 359ms 4 Jul 2024 409th CaedenHarper 🇨🇦 756 96 789ms 23 Oct 2025 410th Shanethegamer 🇺🇸 756 112 2ms 13 Sep 2024 411th MostParsingVex 756 144 416ms 28 Jul 2024 412th MeWhenI 🇻🇦 755 90 255ms 14 Jul 2024 413th MeWhenI 🇻🇦 754 84 3ms 7 Aug 2024 414th neihousaigaai 753 142 10ms 29 Sep 2024 415th stefangimmillaro 751 94 6ms 27 Aug 2024 416th h3ra993huskp 🇯🇵 751 149 468ms 30 Nov 2025 417th DialFrost 🇸🇬 748 90 1,269ms 20 Sep 2024 418th MeWhenI 🇻🇦 748 97 709ms 15 Sep 2025 419th Stockoh 🇫🇷 748 143 11ms 29 Sep 2024 419th snydej 748 143 30ms 21 Nov 2024 421st Natanaelel 🇸🇪 747 75 36ms 14 Jul 2024 422nd DialFrost 🇸🇬 747 145 10ms 28 Dec 2024 423rd mousetail 🇳🇱 747 178 177ms 1 Jul 2024 424th albanian-laundromat 747 273 485ms 27 Oct 2025 425th edsrzf 🇳🇿 745 157 121ms 108 mins ago 426th madeforlosers 743 93 9ms 23 Oct 2024 427th solisolu 743 116 2ms 18 Nov 2025 428th MeWhenI 🇻🇦 742 107 945ms 1 Jul 2024 429th scpchicken 🇵🇼 742 144 31ms 13 Jul 2024 430th MeWhenI 🇻🇦 741 127 36ms 1 Jul 2024 431st retrohun 740 91 19ms 23 Oct 2025 432nd error256 740 120 541ms 13 Aug 2024 433rd MeWhenI 🇻🇦 740 141 424ms 1 Jul 2024 434th MeWhenI 🇻🇦 738 126 149ms 1 Jul 2024 434th Shanethegamer 🇺🇸 738 126 109ms 24 May 2025 436th edsrzf 🇳🇿 738 136 4ms 4 Jul 2025 437th commandblockguy 🇺🇸 737 145 12ms 1 Jul 2024 437th jared-hughes 737 145 10ms 3 Jul 2024 437th wh3n3v3r 🇨🇿 737 145 9ms 18 Nov 2024 437th Babafaba 737 145 71ms 2 Nov 2025 441st helbling 🇨🇭 735 94 11ms 1 Jul 2024 442nd AlephSquirrel 734 138 19ms 4 Oct 2024 443rd KrausRaus 🇺🇸 732 146 10ms 4 Jul 2024 443rd ComputerKWasTaken 🇺🇸 732 146 11ms 4 Jul 2024 443rd hellwue 732 146 28ms 18 Jul 2024 443rd btjones0 732 146 9ms 7 Feb 2025 447th Shanethegamer 🇺🇸 731 93 246ms 13 Sep 2024 448th MeWhenI 🇻🇦 731 118 2ms 5 Jul 2024 448th Shanethegamer 🇺🇸 731 118 2ms 25 Feb 2025 450th gjoacorp 🇬🇧 731 149 471ms 4 Aug 2025 451st Steffan153 🇫🇮 731 153 480ms 3 Jul 2024 452nd Shanethegamer 🇺🇸 729 139 14ms 13 Sep 2024 453rd Natanaelel 🇸🇪 728 95 10ms 1 Jul 2024 453rd CaedenHarper 🇨🇦 728 95 9ms 23 Aug 2025 455th emgordon154 728 109 999ms 2 Apr 2025 456th rucin93 🇵🇱 727 102 143ms 31 Oct 2024 457th albanian-laundromat 726 155 138ms 20 Nov 2025 458th emgordon154 725 119 2ms 18 Jul 2024 459th Shanethegamer 🇺🇸 723 158 38ms 13 Sep 2024 460th MeWhenI 🇻🇦 723 184 213ms 7 Aug 2024 461st MeWhenI 🇻🇦 723 282 452ms 9 Feb 2025 462nd fgrosshans 🇫🇷 722 148 10ms 9 Jul 2024 462nd KatieLG 🇬🇧 722 148 12ms 20 Apr 2025 464th Shanethegamer 🇺🇸 720 88 3ms 13 Sep 2024 465th error256 720 103 137ms 13 Aug 2024 466th Natanaelel 🇸🇪 720 158 182ms 1 Jul 2024 466th edsrzf 🇳🇿 720 158 139ms 9 hours ago 468th MeWhenI 🇻🇦 720 162 14ms 2 Jul 2024 469th CatsAreFluffy 719 185 160ms 16 Nov 2024 470th msbranicky 718 118 2ms 3 Jul 2024 471st StefanHabel 🇨🇦 718 149 11ms 22 Mar 2025 471st luuumine 🇫🇷 718 149 11ms 1 Dec 2025 473rd msbranicky 718 186 3ms 3 Jul 2024 474th emgordon154 717 140 9ms 12 Jan 2025 475th jared-hughes 715 138 2ms 4 Jul 2024 476th tobeannouncd 715 159 141ms 25 Apr 2025 477th BREMAUCY 🇫🇷 713 150 10ms 3 Jul 2024 478th elgan65536 711 187 176ms 6 Jul 2024 479th MeWhenI 🇻🇦 709 154 4ms 9 Aug 2024 480th dcgjb 708 96 295ms 3 Jul 2024 First Prev 401–480 of 688 Next Last