The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
All holes in Lua 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 Holes Points Chars Submitted 320th raphaelimahorn 1 956 45 3 Aug 2021 320th martinnorling 🇸🇪 1 956 45 21 Mar 2022 320th oceko 1 956 45 26 Nov 2022 320th roupiq 🇵🇱 1 956 45 19 Nov 2023 325th Pyro569 2 936 1,064 3 Jul 2023 326th TerensTare 1 935 46 20 Mar 2021 326th NewDefectus 🇮🇱 1 935 46 25 May 2021 326th lilyyy411 1 935 46 10 Sep 2021 326th TheRealOhead 🇺🇸 1 935 46 24 Nov 2021 326th ashtraypettingzoo 🇺🇸 1 935 46 14 Feb 2023 326th Mandrzejy 🇵🇱 1 935 46 10 Apr 2024 326th Just4FunCoder 1 935 46 26 Aug 2024 326th camren-m 1 935 46 30 May 2025 334th elldur 1 932 73 18 Mar 2019 334th jngbsn 1 932 73 4 Feb 2020 336th Muhammad-Salman-Sheikh 1 931 72 16 Apr 2018 336th zuparnowa 1 931 72 12 Feb 2019 336th UpwardProcess 1 931 72 28 Jul 2019 336th TheCodedOne 1 931 72 30 Jul 2019 336th henrytranter 1 931 72 20 Sep 2019 336th myu-sername 1 931 72 19 Nov 2019 336th felixlienaldi 1 931 72 8 Jun 2020 336th Secozzi 1 931 72 4 Nov 2020 336th ArmaanAS 1 931 72 22 Mar 2021 336th c0d3-4-F00d 🇩🇪 1 931 72 19 May 2021 336th silvncr 1 931 72 15 Jun 2021 336th cbrt-x 1 931 72 22 Sep 2021 336th bwenstar 1 931 72 11 Aug 2022 336th Widgitty 1 931 72 2 Oct 2023 336th lyphyser 1 931 72 9 Oct 2023 336th helbling 🇨🇭 1 931 72 8 Jul 2024 352nd paly2 1 919 74 26 Feb 2018 353rd acodon 1 919 86 11 Jul 2019 354th peculiarination 1 918 73 3 May 2021 354th thegalaxydev 1 918 73 10 Oct 2022 356th regr4 1 917 72 13 Nov 2023 357th howmanysmall 1 915 47 19 Jan 2018 357th Seis 1 915 47 9 Dec 2022 357th mqyhlkahu 1 915 47 10 Sep 2023 357th uncertaain 1 915 47 28 Dec 2023 361st eiburns 1 896 48 7 Sep 2023 361st azure-blondon 1 896 48 5 May 2024 361st Zach1031 1 896 48 15 Nov 2025 364th Siapran 1 893 75 22 Jul 2024 365th emgordon154 2 891 1,138 18 Jan 2025 366th vluyzvg 2 889 568 16 Feb 2023 367th esmaycat 1 888 107 13 Jan 2025 368th thej10n 1 885 78 12 Jun 2024 369th pfirsich 1 883 77 20 Jul 2018 370th anders-nom 1 882 76 15 Jan 2020 371st nyoshe 1 878 49 10 Oct 2023 371st esckbd 1 878 49 17 Jul 2024 373rd TinyPandas 1 877 106 12 Sep 2023 373rd TheLastZombie 1 877 106 15 May 2024 375th Dazza314 🇬🇧 2 876 1,067 25 May 2021 376th yokasuretsu 1 861 79 21 Apr 2018 377th bretthat0 1 860 50 8 Sep 2020 378th freeve4h 3 851 1,643 8 Dec 2022 379th adamnielson42 🇺🇸 2 844 1,086 12 Dec 2023 380th RaBa21 🇭🇺 2 843 1,158 1 Aug 2025 381st kmathis22 1 821 84 5 Sep 2025 382nd mu-suwi 1 812 133 13 Jan 2025 383rd dylanarmstrong 1 807 83 16 Dec 2023 384th blaztoma 🇱🇹 1 791 86 2 Sep 2025 385th Xampersand 1 790 100 15 Nov 2025 386th tadeokondrak 1 788 85 27 Feb 2019 386th YK12321 1 788 85 4 Jun 2023 388th jackkav 1 779 86 31 Jan 2019 388th Andrew-Eathan 1 779 86 31 Jul 2021 388th Isaac-NTT 1 779 86 25 Jun 2024 388th jupj 🇫🇮 1 779 86 2 Jul 2024 392nd qbitYouri 1 766 124 4 Apr 2025 393rd troutser 1 761 88 9 Jun 2021 393rd Drew-j-Smith 1 761 88 11 Apr 2022 393rd Matto58 1 761 88 8 Nov 2024 396th Mukundan314 1 761 259 28 Jun 2025 397th bbakersmith 1 753 89 13 Jul 2021 398th iczelia 🇩🇪 1 750 88 15 Oct 2025 399th Chesium 2 741 1,080 6 Aug 2020 400th intUnderflow 1 739 92 13 May 2018 First Prev 321–400 of 606 Next Last