The Calendar hole will go live in approximately 11 days. Why not try and solve it ahead of time?
Lucky Numbers 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 401st ScottHamper 756 107 175ms 2 Mar 2022 402nd MeWhenI 🇻🇦 756 148 273ms 1 Mar 2022 402nd arctouch-cristiannevianna 756 148 266ms 19 Oct 2023 404th za3k 755 67 11ms 12 Oct 2022 404th Just4FunCoder 755 67 11ms 26 Nov 2022 404th KatieLG 🇬🇧 755 67 59ms 29 Jul 2024 407th Shanethegamer 🇺🇸 754 83 148ms 31 May 2022 408th Shanethegamer 🇺🇸 752 106 379ms 9 Apr 2025 409th jared-hughes 751 84 4,058ms 11 Sep 2023 409th alomiF 751 84 272ms 4 Dec 2023 411th sean-niemann 🇺🇸 750 74 1,238ms 17 days ago 412th MeWhenI 🇻🇦 749 108 460ms 22 May 2022 412th Shanethegamer 🇺🇸 749 108 470ms 7 Jun 2022 414th NewDefectus 🇮🇱 748 91 3ms 29 Apr 2022 414th Shanethegamer 🇺🇸 748 91 4ms 28 May 2025 416th inventshah 748 116 59ms 1 May 2025 417th Natanaelel 🇸🇪 746 37 499ms 22 Jul 2023 418th o0lit3 🇺🇸 746 51 34ms 19 Mar 2022 418th sean-niemann 🇺🇸 746 51 34ms 5 Apr 2022 418th Steffan153 🇫🇮 746 51 34ms 17 Feb 2023 421st ovs-code 🇩🇪 744 59 2,007ms 3 Jan 2024 422nd Irratix 🇳🇱 744 68 98ms 23 Apr 2022 422nd 2011-Chan-Ethan 744 68 54ms 20 Jul 2023 422nd HumanoidCPU 744 68 55ms 27 May 2024 422nd agreegious 744 68 118ms 16 Mar 2025 426th MeWhenI 🇻🇦 743 91 14ms 22 Jul 2024 427th Natanaelel 🇸🇪 742 44 39ms 11 Nov 2023 428th dokutan 741 65 355ms 20 Apr 2025 429th marshallward 🇺🇸 741 101 89ms 8 Jul 2023 430th MeWhenI 🇻🇦 740 92 3ms 22 May 2022 431st Shanethegamer 🇺🇸 735 92 16ms 7 Jun 2022 431st MeWhenI 🇻🇦 735 92 50ms 10 Sep 2022 433rd MeWhenI 🇻🇦 735 118 88ms 22 May 2022 434th stefangimmillaro 734 84 112ms 10 Jan 2023 435th YAJUE114514 734 86 277ms 30 Jul 2025 436th edsrzf 🇳🇿 734 102 276ms 29 May 2025 437th UnderKoen 🇳🇱 733 216 594ms 7 Feb 2024 438th MeWhenI 🇻🇦 732 74 44ms 4 Nov 2022 439th jared-hughes 731 61 52ms 9 Sep 2022 439th emgordon154 731 61 156ms 13 Nov 2024 441st Shanethegamer 🇺🇸 728 116 46ms 30 Dec 2022 442nd Shanethegamer 🇺🇸 728 125 127ms 7 Jun 2022 443rd SirBogman 🇺🇸 726 45 35ms 30 Aug 2022 444th Frowny 725 87 251ms 1 Mar 2022 444th annaproxy 725 87 225ms 2 Mar 2022 444th DaCuteRaccoon 725 87 341ms 1 Dec 2022 444th CaedenHarper 🇨🇦 725 87 338ms 27 Jan 2025 448th ovs-code 🇩🇪 724 70 142ms 3 Aug 2024 449th Irratix 🇳🇱 724 79 19ms 1 Mar 2022 450th Shanethegamer 🇺🇸 724 111 40ms 14 Jun 2022 451st pardouin 🇫🇷 722 67 1,139ms 29 Jul 2025 452nd thehylian 722 70 36ms 2 Jan 2023 453rd Feniske 🇫🇷 720 70 3,145ms 3 Nov 2023 454th KatieLG 🇬🇧 719 67 386ms 28 Oct 2024 455th stefangimmillaro 718 156 284ms 22 Jun 2023 456th MeWhenI 🇻🇦 712 68 935ms 22 May 2022 457th Frowny 712 71 11ms 1 Mar 2022 457th Eilonlif 🇮🇱 712 71 114ms 12 Mar 2023 459th MeWhenI 🇻🇦 710 94 168ms 28 Feb 2025 460th jared-hughes 709 75 1,716ms 17 Jul 2022 461st inventshah 709 96 4ms 1 May 2025 462nd lifthrasiir 🇰🇷 708 39 3ms 29 Nov 2024 463rd OhmNomNom 708 63 81ms 1 Nov 2022 464th HumanoidCPU 708 68 393ms 27 May 2024 464th Shanethegamer 🇺🇸 708 68 489ms 6 Sep 2024 466th didion0 🇺🇸 706 81 29ms 1 Mar 2022 466th jbt 706 81 259ms 28 Dec 2023 468th CaedenHarper 🇨🇦 706 106 85ms 27 Jan 2025 468th snoozingnewt 🇨🇦 706 106 132ms 5 Oct 2025 470th MeWhenI 🇻🇦 705 114 41ms 20 Jun 2022 471st bob-th 702 72 12ms 2 Aug 2024 472nd Shanethegamer 🇺🇸 702 95 29ms 29 Apr 2025 473rd JohandeRuiter 🇳🇱 702 97 15ms 12 Nov 2023 474th MeWhenI 🇻🇦 702 211 1,895ms 7 Nov 2025 475th stefangimmillaro 700 114 401ms 11 Aug 2023 476th Natanaelel 🇸🇪 697 64 42ms 1 Mar 2022 477th helbling 🇨🇭 697 82 36ms 13 Jun 2024 477th rucin93 🇵🇱 697 82 28ms 20 days ago 479th Shanethegamer 🇺🇸 696 95 142ms 8 Jun 2022 480th Shanethegamer 🇺🇸 695 96 99ms 7 Jun 2022 First Prev 401–480 of 1,527 Next Last