The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
ASCII Table in Ruby 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 1st Lydxn 🇨🇦 1,000 64 66ms 28 Mar 2022 1st sisyphus-ppcg 🇦🇺 1,000 64 41ms 16 Feb 2023 1st radarek 🇵🇱 1,000 64 40ms 12 Dec 2024 4th Steffan153 🇫🇮 970 66 63ms 27 Jan 2023 4th janlelis 970 66 75ms 21 Sep 2024 4th sean-niemann 🇺🇸 970 66 65ms 11 Apr 2025 7th pardouin 🇫🇷 955 67 74ms 16 Sep 2025 8th JayXon 🇺🇸 928 69 36ms 16 Nov 2023 9th MeWhenI 🇻🇦 901 71 41ms 25 Jul 2023 10th bajorekp 877 73 39ms 1 Jun 2022 11th SirBogman 🇺🇸 865 74 35ms 21 May 2022 11th anter69 🇭🇺 865 74 47ms 12 Feb 2024 13th olivermrose 🇺🇸 853 75 38ms 14 Apr 2022 14th Shanethegamer 🇺🇸 831 77 35ms 21 Mar 2023 15th tatzyr 🇯🇵 821 78 35ms 9 Feb 2025 16th neel11235813 810 79 36ms 1 Mar 2023 16th ovs-code 🇩🇪 810 79 44ms 27 May 2024 18th nwellnhof 🇩🇪 780 82 35ms 3 Jun 2022 19th olleicua 🇺🇸 736 87 37ms 20 Jan 2024 20th pilaf 🇦🇷 727 88 36ms 8 Apr 2022 20th lynn 727 88 36ms 28 Feb 2023 20th Natanaelel 🇸🇪 727 88 41ms 22 Jun 2023 23rd primo-ppcg 🇹🇭 719 89 54ms 31 Mar 2022 24th GrayJoKing 🇦🇺 703 91 37ms 11 Aug 2024 25th OhmNomNom 688 93 39ms 20 Oct 2022 26th prplz 🇦🇺 681 94 35ms 19 May 2022 26th frnco 681 94 40ms 2 Jun 2022 26th stefangimmillaro 681 94 34ms 1 Aug 2022 29th shinh 660 97 38ms 28 Jun 2022 30th Andriamanitra 🇫🇮 653 98 43ms 24 Sep 2022 30th DialFrost 🇸🇬 653 98 38ms 14 Jun 2024 32nd scpchicken 🇵🇼 646 99 36ms 1 Apr 2022 32nd jared-hughes 646 99 38ms 12 Sep 2022 34th mikiymk 640 100 36ms 21 Sep 2023 34th KatieLG 🇬🇧 640 100 39ms 2 Oct 2025 34th D-MOVE 🇵🇭 640 100 57ms 21 days ago 37th emgordon154 627 102 34ms 18 Nov 2024 38th dunghopper 604 106 40ms 26 Oct 2023 39th jbbarth 🇫🇷 598 107 45ms 3 May 2022 40th Waffle3z 587 109 39ms 27 Mar 2022 41st snoozingnewt 🇨🇦 557 115 36ms 2 Nov 2025 42nd TheZwierzLF 🇵🇱 533 120 47ms 2 days ago 43rd AetherQuantity 529 121 35ms 21 Oct 2025 44th MCausc78 🇺🇦 492 130 35ms 30 Dec 2022 45th aaronze 🇦🇺 478 134 46ms 17 Sep 2023 46th takafan 🇨🇳 413 155 38ms 13 Sep 2023 47th hollma 400 160 39ms 21 Oct 2023 48th HumanoidCPU 398 161 36ms 10 Jan 2025 49th dokutan 383 167 39ms 17 Apr 2024 50th purp 376 170 36ms 13 Aug 2022 51st moozzi 330 194 44ms 19 days ago 52nd JRaspass 🇬🇧 230 278 38ms 9 Apr 2022 52nd CaedenHarper 🇨🇦 230 278 35ms 16 Aug 2025 54th KatieLG-Transpiler 🇬🇧 229 279 40ms 24 Jun 2022 54th retrohun 229 279 36ms 27 Dec 2022 54th Haksell 🇦🇶 229 279 38ms 22 Feb 2023 54th stellartux 229 279 38ms 26 Dec 2023 54th Mabeloid 🇳🇴 229 279 41ms 17 Sep 2024 59th msbranicky 229 280 42ms 12 Sep 2023 60th jhpaques 🇫🇷 216 296 38ms 16 Dec 2022 61st jaxmattfair 🇺🇸 160 399 35ms 14 Jan 2023 1–61 of 61