The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
Lucky Numbers 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 319th DialFrost 🇸🇬 817 57 119ms 30 Jul 2024 322nd lyphyser 817 68 66ms 10 Feb 2024 323rd jared-hughes 817 70 16ms 2 Mar 2022 323rd ovs-code 🇩🇪 817 70 13ms 3 Aug 2024 325th primo-ppcg 🇹🇭 815 56 786ms 3 Mar 2022 326th DialFrost 🇸🇬 815 90 4,226ms 30 Apr 2025 327th DialFrost 🇸🇬 814 98 471ms 22 Jul 2025 328th HPWiz 🇳🇿 812 34 29ms 1 Mar 2022 329th Shanethegamer 🇺🇸 812 113 462ms 25 Sep 2025 330th DialFrost 🇸🇬 811 107 73ms 27 Apr 2025 331st Steffan153 🇫🇮 809 78 283ms 17 Dec 2022 332nd clockworknazo 808 67 32ms 11 Nov 2022 333rd DialFrost 🇸🇬 807 65 139ms 28 Apr 2025 334th tuffnatty 🇩🇪 807 80 13ms 19 Jul 2023 335th AlephSquirrel 806 31 734ms 11 Feb 2023 335th plcc0 806 31 64ms 7 Apr 2025 335th CaedenHarper 🇨🇦 806 31 59ms 20 days ago 338th emgordon154 806 91 4,564ms 4 Jul 2025 339th sean-niemann 🇺🇸 806 99 364ms 20 days ago 340th AlephSquirrel 806 105 186ms 21 Oct 2024 341st itsh01 805 71 20ms 2 Mar 2022 342nd Shanethegamer 🇺🇸 805 139 274ms 7 Feb 2024 343rd DialFrost 🇸🇬 805 184 1,657ms 13 Sep 2025 344th Alex-x90 🇺🇸 803 108 62ms 3 Oct 2023 344th jared-hughes 803 108 76ms 22 Dec 2023 346th jared-hughes 802 86 3ms 22 Dec 2023 347th Natanaelel 🇸🇪 801 57 493ms 11 Nov 2023 348th DialFrost 🇸🇬 801 101 455ms 27 Apr 2025 349th SirBogman 🇺🇸 796 56 40ms 20 May 2022 349th stefangimmillaro 796 56 63ms 22 May 2022 351st jatloe 795 66 10ms 6 Sep 2024 352nd MeWhenI 🇻🇦 794 72 12ms 1 Mar 2022 353rd DialFrost 🇸🇬 794 84 144ms 26 May 2025 354th MeWhenI 🇻🇦 790 101 454ms 20 Nov 2025 355th copy 789 35 922ms 13 Mar 2025 356th Steffan153 🇫🇮 789 107 45ms 12 Mar 2023 357th SirBogman 🇺🇸 787 58 498ms 11 May 2022 358th sean-niemann 🇺🇸 785 69 28ms 20 days ago 359th stefangimmillaro 784 117 399ms 6 Oct 2025 360th za3k 783 67 11ms 12 Oct 2022 361st Shanethegamer 🇺🇸 783 73 12ms 7 Jun 2022 362nd namelessiw 782 102 361ms 23 Jul 2025 363rd snoozingnewt 🇨🇦 782 141 160ms 18 days ago 364th emgordon154 781 32 99ms 21 Oct 2025 365th annaproxy 781 97 217ms 1 Apr 2022 366th typeswitch-dev 🇵🇹 778 83 14ms 17 Aug 2023 367th MichalMarsalek 🇨🇿 778 85 144ms 1 Mar 2022 368th GrayJoKing 🇦🇺 775 65 2,232ms 13 Mar 2023 369th Alex-x90 🇺🇸 775 89 3ms 3 Oct 2023 370th Shanethegamer 🇺🇸 774 112 71ms 31 Jan 2023 371st stefangimmillaro 773 74 15ms 28 Aug 2022 372nd MeWhenI 🇻🇦 772 74 378ms 15 Aug 2024 373rd Shanethegamer 🇺🇸 769 82 278ms 31 Jan 2023 373rd scpchicken 🇵🇼 769 82 285ms 11 Mar 2023 373rd yzhs 🇩🇪 769 82 287ms 25 Jun 2023 373rd epic-programmer-guy 769 82 962ms 3 Jan 2024 377th DialFrost 🇸🇬 769 86 128ms 29 Apr 2025 378th MarcMush 🇫🇷 768 64 431ms 8 Mar 2022 378th DialFrost 🇸🇬 768 64 425ms 17 Jan 2023 380th DialFrost 🇸🇬 764 73 44ms 29 Apr 2025 381st aksyristos 763 61 130ms 28 Feb 2023 382nd Shanethegamer 🇺🇸 763 100 1,278ms 30 Dec 2022 383rd DialFrost 🇸🇬 763 251 1,016ms 13 Aug 2025 384th ovs-code 🇩🇪 761 60 2,042ms 3 Jan 2024 385th DialFrost 🇸🇬 761 89 106ms 29 Apr 2025 386th Shanethegamer 🇺🇸 760 69 30ms 6 Sep 2024 386th snoozingnewt 🇨🇦 760 69 26ms 15 Oct 2025 386th sean-niemann 🇺🇸 760 69 147ms 20 days ago 389th MeWhenI 🇻🇦 759 91 18ms 22 Jul 2024 390th GolfingSuccess 🇬🇷 758 33 117ms 22 Jul 2022 390th DialFrost 🇸🇬 758 33 58ms 30 Apr 2025 392nd NewDefectus 🇮🇱 758 91 3ms 29 Apr 2022 393rd MeWhenI 🇻🇦 756 148 273ms 1 Mar 2022 393rd arctouch-cristiannevianna 756 148 266ms 19 Oct 2023 395th jared-hughes 751 84 4,058ms 11 Sep 2023 395th alomiF 751 84 272ms 4 Dec 2023 397th Shanethegamer 🇺🇸 751 92 26ms 7 Jun 2022 398th sean-niemann 🇺🇸 750 74 1,380ms 20 days ago 399th MeWhenI 🇻🇦 750 92 3ms 22 May 2022 399th Shanethegamer 🇺🇸 750 92 3ms 31 Jan 2023 First Prev 321–400 of 1,537 Next Last