The Calendar hole will go live in approximately 7 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 320th primo-ppcg 🇹🇭 818 135 29ms 10 May 2023 322nd Steffan153 🇫🇮 817 57 94ms 16 Dec 2022 322nd Alessandro-Balconi 🇮🇹 817 57 86ms 7 Aug 2023 322nd DialFrost 🇸🇬 817 57 119ms 30 Jul 2024 325th lyphyser 817 68 66ms 10 Feb 2024 326th jared-hughes 817 70 16ms 2 Mar 2022 326th ovs-code 🇩🇪 817 70 13ms 3 Aug 2024 328th primo-ppcg 🇹🇭 815 56 786ms 3 Mar 2022 329th DialFrost 🇸🇬 815 90 3,236ms 30 Apr 2025 330th DialFrost 🇸🇬 814 98 471ms 22 Jul 2025 331st HPWiz 🇳🇿 812 34 29ms 1 Mar 2022 332nd Shanethegamer 🇺🇸 812 113 462ms 25 Sep 2025 333rd DialFrost 🇸🇬 811 107 73ms 27 Apr 2025 334th Steffan153 🇫🇮 809 78 283ms 17 Dec 2022 335th clockworknazo 808 67 32ms 11 Nov 2022 336th DialFrost 🇸🇬 807 65 139ms 28 Apr 2025 337th tuffnatty 🇩🇪 807 80 13ms 19 Jul 2023 338th AlephSquirrel 806 31 734ms 11 Feb 2023 338th plcc0 806 31 64ms 7 Apr 2025 338th CaedenHarper 🇨🇦 806 31 59ms 21 days ago 341st emgordon154 806 91 3,354ms 4 Jul 2025 342nd sean-niemann 🇺🇸 806 99 364ms 21 days ago 343rd AlephSquirrel 806 105 186ms 21 Oct 2024 344th itsh01 805 71 20ms 2 Mar 2022 345th Shanethegamer 🇺🇸 805 139 274ms 7 Feb 2024 346th DialFrost 🇸🇬 805 184 1,657ms 13 Sep 2025 347th Alex-x90 🇺🇸 803 108 62ms 3 Oct 2023 347th jared-hughes 803 108 76ms 22 Dec 2023 349th jared-hughes 802 86 3ms 22 Dec 2023 350th Natanaelel 🇸🇪 801 57 493ms 11 Nov 2023 351st DialFrost 🇸🇬 801 101 455ms 27 Apr 2025 352nd SirBogman 🇺🇸 796 56 40ms 20 May 2022 352nd stefangimmillaro 796 56 63ms 22 May 2022 354th jatloe 795 66 10ms 6 Sep 2024 355th MeWhenI 🇻🇦 794 72 12ms 1 Mar 2022 356th DialFrost 🇸🇬 794 84 144ms 26 May 2025 357th MeWhenI 🇻🇦 790 101 454ms 20 Nov 2025 358th copy 789 35 922ms 13 Mar 2025 359th Steffan153 🇫🇮 789 107 45ms 12 Mar 2023 360th SirBogman 🇺🇸 787 58 498ms 11 May 2022 361st sean-niemann 🇺🇸 785 69 28ms 21 days ago 362nd stefangimmillaro 784 117 399ms 6 Oct 2025 363rd za3k 783 67 11ms 12 Oct 2022 364th Shanethegamer 🇺🇸 783 73 12ms 7 Jun 2022 365th namelessiw 782 102 361ms 23 Jul 2025 365th AdrienHache 🇫🇷 782 102 464ms 8 hours ago 367th snoozingnewt 🇨🇦 782 141 160ms 19 days ago 368th emgordon154 781 32 99ms 21 Oct 2025 369th annaproxy 781 97 217ms 1 Apr 2022 370th typeswitch-dev 🇵🇹 778 83 14ms 17 Aug 2023 371st MichalMarsalek 🇨🇿 778 85 144ms 1 Mar 2022 372nd GrayJoKing 🇦🇺 775 65 2,232ms 13 Mar 2023 373rd Alex-x90 🇺🇸 775 89 3ms 3 Oct 2023 374th Shanethegamer 🇺🇸 774 112 71ms 31 Jan 2023 375th stefangimmillaro 773 74 15ms 28 Aug 2022 376th MeWhenI 🇻🇦 772 74 378ms 15 Aug 2024 377th Shanethegamer 🇺🇸 769 82 278ms 31 Jan 2023 377th scpchicken 🇵🇼 769 82 285ms 11 Mar 2023 377th yzhs 🇩🇪 769 82 287ms 25 Jun 2023 377th epic-programmer-guy 769 82 962ms 3 Jan 2024 381st DialFrost 🇸🇬 769 86 128ms 29 Apr 2025 382nd MarcMush 🇫🇷 768 64 431ms 8 Mar 2022 382nd DialFrost 🇸🇬 768 64 425ms 17 Jan 2023 384th DialFrost 🇸🇬 764 73 44ms 29 Apr 2025 385th aksyristos 763 61 130ms 28 Feb 2023 386th Shanethegamer 🇺🇸 763 100 1,278ms 30 Dec 2022 387th DialFrost 🇸🇬 763 251 1,016ms 13 Aug 2025 388th MeWhenI 🇻🇦 762 91 18ms 22 Jul 2024 389th ovs-code 🇩🇪 761 60 2,042ms 3 Jan 2024 390th DialFrost 🇸🇬 761 89 106ms 29 Apr 2025 391st Shanethegamer 🇺🇸 760 69 30ms 6 Sep 2024 391st snoozingnewt 🇨🇦 760 69 26ms 15 Oct 2025 391st sean-niemann 🇺🇸 760 69 147ms 21 days ago 394th GolfingSuccess 🇬🇷 758 33 117ms 22 Jul 2022 394th DialFrost 🇸🇬 758 33 58ms 30 Apr 2025 396th NewDefectus 🇮🇱 758 91 3ms 29 Apr 2022 397th MeWhenI 🇻🇦 756 148 273ms 1 Mar 2022 397th arctouch-cristiannevianna 756 148 266ms 19 Oct 2023 399th Shanethegamer 🇺🇸 754 92 26ms 7 Jun 2022 400th jared-hughes 751 84 4,058ms 11 Sep 2023 First Prev 321–400 of 1,541 Next Last