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 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 321st HPWiz 🇳🇿 812 34 29ms 1 Mar 2022 322nd DialFrost 🇸🇬 811 107 73ms 27 Apr 2025 323rd Shanethegamer 🇺🇸 811 112 462ms 25 Sep 2025 324th Steffan153 🇫🇮 809 78 283ms 17 Dec 2022 325th DialFrost 🇸🇬 809 100 455ms 28 Apr 2025 326th clockworknazo 808 67 32ms 11 Nov 2022 327th tuffnatty 🇩🇪 807 80 13ms 19 Jul 2023 328th AlephSquirrel 806 31 734ms 11 Feb 2023 328th CaedenHarper 🇨🇦 806 31 59ms 20 days ago 330th emgordon154 806 91 4,564ms 4 Jul 2025 331st sean-niemann 🇺🇸 806 99 364ms 20 days ago 332nd AlephSquirrel 806 105 186ms 21 Oct 2024 333rd itsh01 805 71 20ms 2 Mar 2022 334th Shanethegamer 🇺🇸 805 139 274ms 7 Feb 2024 335th DialFrost 🇸🇬 805 184 1,657ms 13 Sep 2025 336th SirBogman 🇺🇸 803 60 350ms 20 Jan 2024 336th snoozingnewt 🇨🇦 803 60 377ms 15 Oct 2025 338th QuincyNash 🇺🇸 803 63 12ms 2 Dec 2022 338th JunkIce 803 63 11ms 24 Nov 2024 338th plcc0 803 63 59ms 21 Mar 2025 338th RaBa21 🇭🇺 803 63 118ms 12 Jul 2025 338th Languag3 803 63 11ms 7 days ago 343rd Alex-x90 🇺🇸 803 108 62ms 3 Oct 2023 343rd jared-hughes 803 108 76ms 22 Dec 2023 345th SirBogman 🇺🇸 796 56 40ms 20 May 2022 345th stefangimmillaro 796 56 63ms 22 May 2022 347th MeWhenI 🇻🇦 794 72 12ms 1 Mar 2022 348th DialFrost 🇸🇬 794 84 144ms 26 May 2025 349th snoozingnewt 🇨🇦 794 139 160ms 18 days ago 350th jared-hughes 792 86 3ms 22 Dec 2023 351st jakobkordez 🇸🇮 790 64 10ms 7 Nov 2022 351st elgan65536 790 64 11ms 31 Mar 2024 353rd namelessiw 790 101 361ms 23 Jul 2025 353rd MeWhenI 🇻🇦 790 101 454ms 20 Nov 2025 355th copy 789 35 922ms 13 Mar 2025 356th Steffan153 🇫🇮 789 107 45ms 12 Mar 2023 357th sean-niemann 🇺🇸 785 69 28ms 20 days ago 358th Shanethegamer 🇺🇸 783 73 12ms 7 Jun 2022 359th emgordon154 781 32 99ms 8 Jun 2025 360th annaproxy 781 97 217ms 1 Apr 2022 361st DialFrost 🇸🇬 780 65 139ms 28 Apr 2025 362nd SB-945 778 65 11ms 3 Jul 2023 362nd dokutan 778 65 12ms 24 Feb 2025 362nd robin-scragg 778 65 11ms 4 Aug 2025 365th typeswitch-dev 🇵🇹 778 83 14ms 17 Aug 2023 366th MichalMarsalek 🇨🇿 778 85 144ms 1 Mar 2022 367th primo-ppcg 🇹🇭 777 49 249ms 3 Mar 2022 367th saito-ta 🇯🇵 777 49 55ms 26 May 2022 367th Lydxn 🇨🇦 777 49 53ms 27 May 2022 370th stefangimmillaro 776 117 399ms 6 Oct 2025 371st GrayJoKing 🇦🇺 775 65 2,232ms 13 Mar 2023 372nd Alex-x90 🇺🇸 774 88 3ms 3 Oct 2023 373rd Shanethegamer 🇺🇸 774 112 71ms 31 Jan 2023 374th stefangimmillaro 773 74 15ms 28 Aug 2022 375th MeWhenI 🇻🇦 772 74 378ms 15 Aug 2024 376th emgordon154 772 97 244ms 29 Jul 2025 377th olivermrose 🇺🇸 769 58 64ms 1 Mar 2022 378th Shanethegamer 🇺🇸 769 82 278ms 31 Jan 2023 378th scpchicken 🇵🇼 769 82 285ms 11 Mar 2023 378th yzhs 🇩🇪 769 82 287ms 25 Jun 2023 378th epic-programmer-guy 769 82 962ms 3 Jan 2024 382nd DialFrost 🇸🇬 769 86 128ms 29 Apr 2025 383rd MarcMush 🇫🇷 768 64 431ms 8 Mar 2022 383rd DialFrost 🇸🇬 768 64 425ms 17 Jan 2023 385th CarsonChr 🇺🇸 766 66 10ms 24 Sep 2022 385th jatloe 766 66 10ms 6 Sep 2024 387th ovs-code 🇩🇪 766 92 386ms 10 Mar 2023 388th JunkIce 764 63 357ms 3 Dec 2024 389th DialFrost 🇸🇬 764 73 44ms 29 Apr 2025 390th aksyristos 763 61 130ms 28 Feb 2023 391st Shanethegamer 🇺🇸 763 100 1,278ms 30 Dec 2022 392nd DialFrost 🇸🇬 763 251 1,016ms 13 Aug 2025 393rd nwellnhof 🇩🇪 761 50 140ms 10 Mar 2023 394th DialFrost 🇸🇬 761 89 106ms 29 Apr 2025 395th MeWhenI 🇻🇦 759 91 18ms 22 Jul 2024 396th GolfingSuccess 🇬🇷 758 33 117ms 22 Jul 2022 396th DialFrost 🇸🇬 758 33 58ms 30 Apr 2025 398th KatieLG 🇬🇧 756 59 77ms 2 Oct 2025 399th ScottHamper 756 107 175ms 2 Mar 2022 400th MeWhenI 🇻🇦 756 148 273ms 1 Mar 2022 First Prev 321–400 of 1,524 Next Last