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 481st T-bond 1 554 121 14 May 2019 482nd karhuthebear 1 550 80 6 May 2022 483rd kirbyyourmom 🇬🇧 1 549 82 2 Mar 2021 484th garrisonhh 1 549 122 21 Nov 2020 484th ConnorSMorrison 1 549 122 29 Sep 2022 486th MaxElf999 1 547 75 21 Nov 2022 487th f-tucker 1 545 123 24 Jun 2024 488th Noah-Fox 1 544 79 1 Jun 2022 489th FoxieFlakey 2 537 2,748 27 Dec 2021 490th Starwort 🇬🇧 1 536 84 21 Oct 2018 491st hyvyys 1 532 77 25 Sep 2020 492nd cingulataluke 1 531 81 3 Jun 2024 493rd DeybisMelendez 1 528 127 7 Jul 2020 494th suchir1 1 523 132 4 Jan 2023 495th bwat2 1 519 129 6 Apr 2022 495th keelimeguy 🇺🇸 1 519 129 1 May 2025 497th Miniwoffer 1 517 87 1 Apr 2022 498th twocatsinatrenchcoat 1 511 131 25 Apr 2022 499th RayCurse 1 508 132 16 Oct 2020 499th wansacis 🇩🇪 1 508 132 10 Dec 2021 499th namelessiw 1 508 132 27 Jul 2023 502nd SniperSmiley 🇺🇸 1 504 133 3 Feb 2023 503rd Xzyaihni 1 492 329 16 Jan 2024 504th aquaslvt 1 489 137 1 Jun 2023 505th aksyristos 1 486 138 8 Oct 2022 505th TravellerEntity 1 486 138 6 Dec 2023 505th RedzGoose 🇦🇺 1 486 138 11 Jun 2024 508th CoalUnicorn 1 482 141 4 Feb 2018 509th taikonaut001 1 474 416 1 May 2021 510th Firefox760 2 474 1,335 23 Apr 2023 511th tomh1012 1 471 87 13 Oct 2020 512th chunes3 🇺🇸 1 470 83 4 Aug 2024 513th survenshiba 1 469 145 12 May 2019 514th AlephSquirrel 1 465 144 16 May 2021 514th JackieAlacrity2373 1 465 144 11 Jun 2024 516th SubsTheTechnomancer 1 464 500 1 Mar 2023 517th K4rakara 1 463 350 11 Dec 2020 518th nothjarnan 1 462 145 21 Oct 2021 519th justinlua314 1 453 148 9 Mar 2022 520th ElNico56 1 447 150 3 Dec 2020 521st labster 1 446 92 2 Mar 2018 522nd vonKrafft 1 443 97 26 Mar 2020 523rd WardySpirit 1 441 93 26 Aug 2020 524th plainoldcheese 🇦🇶 1 441 152 17 Jan 2024 525th remenkemi 1 439 528 2 Mar 2025 526th lowlighter 1 409 110 1 Nov 2020 526th doge1338 1 409 110 15 Dec 2020 528th Sticky-Bits 1 409 164 19 Apr 2019 528th luong-anh 1 409 164 27 Apr 2019 528th 5si 1 409 164 2 Nov 2020 528th KrausRaus 🇺🇸 1 409 164 1 Feb 2022 532nd jaxmattfair 🇺🇸 1 405 299 14 Jan 2023 532nd b-smyers 1 405 299 30 Jan 2025 534th acotis 1 398 103 19 Feb 2025 535th xkacer 🇨🇿 1 373 102 22 Nov 2020 535th Schmitt-Very-Cool 1 373 102 31 Jul 2023 535th anter69 🇭🇺 1 373 102 18 Sep 2024 538th 1337-man 3 373 13,272 25 Jan 2022 539th leptio 1 372 436 10 Nov 2021 540th jiaminglimjm 🇲🇾 1 370 146 9 Jan 2021 540th zt14427 1 370 146 2 May 2023 542nd prestosilver 🇺🇸 1 362 544 15 days ago 543rd yuchuehw 1 360 114 2 Jan 2024 544th danielharris0 1 335 200 17 Jun 2023 545th ze-h 🇺🇸 1 331 124 4 Dec 2022 546th UBKorkut 2 324 2,022 10 Mar 2021 547th emirps 1 313 345 27 Jan 2023 548th Thorinori 1 308 753 25 Mar 2024 549th Cr3aHal0 1 305 141 5 Jul 2019 550th Tsuk1w 🇫🇷 1 302 222 7 Nov 2022 551st Msleizak 🇫🇷 1 302 401 4 Nov 2022 552nd tfk333 3 302 3,033 23 Feb 2018 553rd zwxzwxzwx21 1 298 225 22 Dec 2023 554th jrbud 3 288 4,511 31 Dec 2023 555th gigamicro 1 257 420 7 Oct 2021 556th logancammish 1 256 632 1 May 2024 557th kurkale6ka 2 255 1,411 27 Dec 2023 558th lukasmoellerch 1 251 267 14 Jul 2019 559th Puigs 1 250 647 27 Feb 2019 560th Omega65536 🇩🇪 2 239 2,018 17 Jan 2021 First Prev 481–560 of 606 Next Last