The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Roman to Arabic 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 241st Shanethegamer 🇺🇸 880 141 284ms 31 Oct 2023 241st sean-niemann 🇺🇸 880 141 279ms 7 Nov 2023 241st Steffan153 🇫🇮 880 141 272ms 26 Jul 2024 244th tomtheisen 🇺🇸 879 86 15ms 27 Oct 2020 244th AlephSquirrel 879 86 15ms 15 Feb 2023 244th stefangimmillaro 879 86 19ms 15 Sep 2024 247th primo-ppcg 🇹🇭 879 90 285ms 25 Apr 2025 248th rboath 878 39 86ms 23 Jan 2025 249th JayXon 🇺🇸 878 109 1,347ms 2 Nov 2023 250th sean-niemann 🇺🇸 877 73 1,054ms 13 Sep 2025 251st SirBogman 🇺🇸 877 82 20ms 20 Nov 2022 252nd inventshah 876 93 4ms 25 Jan 2023 253rd Steffan153 🇫🇮 876 122 24ms 28 Nov 2022 253rd IanUtley 876 122 49ms 27 Apr 2024 255th JayXon 🇺🇸 876 129 176ms 25 Sep 2025 256th GrayJoKing 🇦🇺 875 87 52ms 1 Nov 2023 257th Shanethegamer 🇺🇸 874 74 457ms 16 Jan 2024 257th GrayJoKing 🇦🇺 874 74 428ms 23 Jul 2024 257th duckyluuk 🇳🇱 874 74 374ms 28 Aug 2024 260th nwellnhof 🇩🇪 874 77 24ms 1 Aug 2022 261st radarek 🇵🇱 873 55 74ms 26 Dec 2024 261st JayXon 🇺🇸 873 55 76ms 27 Dec 2024 261st pardouin 🇫🇷 873 55 80ms 11 Aug 2025 264th edsrzf 🇳🇿 873 87 133ms 3 Feb 2025 265th DialFrost 🇸🇬 873 122 5ms 5 Nov 2024 266th Steffan153 🇫🇮 872 88 126ms 24 May 2024 267th Steffan153 🇫🇮 872 95 9ms 31 Oct 2023 268th Lydxn 🇨🇦 872 103 419ms 12 Mar 2023 269th dvargas46 🇺🇸 871 90 281ms 23 Jan 2023 270th DialFrost 🇸🇬 870 67 1,072ms 10 Oct 2024 271st sean-niemann 🇺🇸 870 103 14ms 8 Apr 2025 272nd ovs-code 🇩🇪 869 87 13ms 20 Nov 2024 273rd btnlq 869 123 27ms 28 Nov 2021 274th primo-ppcg 🇹🇭 868 114 39ms 20 Jun 2022 275th primo-ppcg 🇹🇭 868 139 42ms 17 Apr 2022 276th Yax42 🇫🇷 867 90 405ms 1 Aug 2025 276th namelessiw 867 90 419ms 19 Aug 2025 278th nwellnhof 🇩🇪 867 143 277ms 17 Aug 2021 278th emplv 🇱🇻 867 143 342ms 31 Oct 2023 278th stefangimmillaro 867 143 293ms 7 Nov 2023 281st inventshah 866 116 72ms 25 Jan 2023 282nd MeWhenI 🇻🇦 866 123 7ms 11 Sep 2022 282nd Shanethegamer 🇺🇸 866 123 7ms 11 Sep 2022 282nd sean-niemann 🇺🇸 866 123 7ms 8 Oct 2024 285th Yewzir 🇧🇪 865 74 1,026ms 15 Nov 2025 286th Steffan153 🇫🇮 865 88 52ms 20 Feb 2023 287th scpchicken 🇵🇼 863 81 69ms 4 May 2022 288th edsrzf 🇳🇿 863 96 9ms 29 Jun 2025 289th Shanethegamer 🇺🇸 863 106 104ms 24 May 2025 290th kumavale 863 131 180ms 27 days ago 291st m-tkach 🇺🇦 863 146 32ms 31 Oct 2023 292nd Yewzir 🇧🇪 862 75 460ms 10 Jun 2024 292nd KatieLG 🇬🇧 862 75 381ms 28 Oct 2024 292nd dokutan 862 75 390ms 21 Feb 2025 295th stefangimmillaro 862 140 42ms 7 Nov 2023 296th primo-ppcg 🇹🇭 861 144 280ms 30 Apr 2020 296th DialFrost 🇸🇬 861 144 256ms 5 Jun 2024 298th DialFrost 🇸🇬 860 108 102ms 19 days ago 299th dokutan 859 50 183ms 27 Aug 2024 300th tayloia 🇬🇧 859 88 14ms 18 Jul 2023 300th kirjavascript 859 88 14ms 13 Feb 2025 302nd stefangimmillaro 859 92 106ms 30 Oct 2023 302nd kg583 🇺🇸 859 92 3,785ms 9 May 2025 304th Steffan153 🇫🇮 859 142 52ms 6 Jul 2024 305th Shanethegamer 🇺🇸 858 83 526ms 17 Dec 2022 306th ScottHamper 858 91 381ms 23 Feb 2022 306th MeWhenI 🇻🇦 858 91 377ms 26 Jul 2023 308th Lydxn 🇨🇦 857 56 70ms 10 Oct 2021 308th sean-niemann 🇺🇸 857 56 61ms 1 Jul 2022 308th MeWhenI 🇻🇦 857 56 65ms 3 Aug 2022 308th Steffan153 🇫🇮 857 56 86ms 28 Nov 2022 312th RYNO8 856 84 20ms 3 Sep 2021 312th lifthrasiir 🇰🇷 856 84 47ms 20 Nov 2024 312th plcc0 856 84 20ms 2 May 2025 315th MeWhenI 🇻🇦 856 117 5ms 20 Jul 2023 316th MeWhenI 🇻🇦 853 34 96ms 24 Aug 2022 317th bstrat 852 43 6ms 4 Sep 2024 318th Steffan153 🇫🇮 851 148 31ms 31 Oct 2023 318th Shanethegamer 🇺🇸 851 148 31ms 31 Oct 2023 320th canissimia 🇦🇶 851 183 18ms 29 Nov 2023 First Prev 241–320 of 1,449 Next Last