The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Arabic to Roman 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 161st ovs-code 🇩🇪 932 68 39ms 24 Mar 2023 162nd sisyphus-ppcg 🇦🇺 930 106 20ms 2 Jul 2023 163rd JayXon 🇺🇸 929 83 767ms 30 Dec 2023 164th SirBogman 🇺🇸 928 58 665ms 23 Jan 2024 165th m-tkach 🇺🇦 928 84 84ms 10 Jan 2024 165th error256 928 84 87ms 5 Jan 2025 167th JayXon 🇺🇸 928 156 526ms 25 Sep 2025 168th magnusmalm 926 52 16ms 29 Apr 2018 168th t8rsalad 926 52 23ms 17 Aug 2018 168th yzhs 🇩🇪 926 52 17ms 29 Feb 2020 168th alexhuntley 926 52 22ms 11 Apr 2021 168th mhgockel 926 52 20ms 26 Apr 2023 168th vindarel 926 52 21ms 15 Apr 2024 174th JayXon 🇺🇸 925 93 45ms 5 Oct 2021 174th GolfingSuccess 🇬🇷 925 93 20ms 17 Apr 2022 176th nwellnhof 🇩🇪 922 146 533ms 23 Jul 2023 177th ovs-code 🇩🇪 921 72 160ms 8 Jul 2024 178th xsot 🇸🇬 919 85 446ms 14 May 2024 179th orthoplex 🇨🇽 916 94 23ms 9 Oct 2022 180th Argeento 🇵🇱 916 95 27ms 8 Oct 2020 181st primo-ppcg 🇹🇭 916 168 330ms 27 May 2020 182nd saito-ta 🇯🇵 914 104 20ms 20 Oct 2023 183rd primo-ppcg 🇹🇭 913 99 1,129ms 24 Dec 2021 184th Steffan153 🇫🇮 911 160 339ms 9 Feb 2024 185th canissimia 🇦🇶 910 82 53ms 18 Oct 2022 186th pardouin 🇫🇷 908 86 380ms 12 Jul 2024 187th sean-niemann 🇺🇸 906 83 191ms 10 Sep 2024 188th JayXon 🇺🇸 906 96 13ms 18 Jan 2025 189th Waffle3z 906 128 19ms 17 Apr 2022 190th DialFrost 🇸🇬 905 101 11ms 16 Apr 2025 190th xsot 🇸🇬 905 101 11ms 6 Jul 2025 190th edsrzf 🇳🇿 905 101 18ms 12 Nov 2025 193rd nwellnhof 🇩🇪 905 170 313ms 28 Jun 2023 194th nwellnhof 🇩🇪 904 160 877ms 25 Sep 2025 195th GrayJoKing 🇦🇺 903 83 34ms 27 May 2022 196th primo-ppcg 🇹🇭 903 105 16ms 18 Nov 2022 196th xsot 🇸🇬 903 105 7ms 10 Jun 2023 198th edsrzf 🇳🇿 902 98 1,065ms 7 Sep 2025 199th JayXon 🇺🇸 902 182 166ms 7 Dec 2022 200th JayXon 🇺🇸 900 171 342ms 23 Jul 2023 201st pardouin 🇫🇷 899 127 3,302ms 20 Nov 2024 202nd sean-niemann 🇺🇸 898 87 387ms 6 Jun 2025 203rd edsrzf 🇳🇿 898 138 412ms 23 Jul 2025 204th GrayJoKing 🇦🇺 897 60 553ms 23 Aug 2020 205th DialFrost 🇸🇬 897 74 97ms 12 May 2025 206th kg583 🇺🇸 897 96 25ms 15 Mar 2024 207th JayXon 🇺🇸 895 84 140ms 21 Sep 2024 208th ovs-code 🇩🇪 895 127 525ms 4 Aug 2024 209th JayXon 🇺🇸 894 119 118ms 24 May 2025 210th GrayJoKing 🇦🇺 893 104 679ms 2 Jun 2022 211th edsrzf 🇳🇿 893 139 119ms 21 Jul 2025 212th edsrzf 🇳🇿 892 106 34ms 22 Jul 2025 213th synt7x 🇺🇸 892 130 11ms 4 Jul 2025 214th ovs-code 🇩🇪 889 164 325ms 27 Jan 2024 215th JayXon 🇺🇸 888 88 449ms 2 Feb 2024 215th GolfingSuccess 🇬🇷 888 88 365ms 25 Jan 2025 217th emplv 🇱🇻 888 98 20ms 19 Jan 2025 218th dvargas46 🇺🇸 888 107 1,536ms 22 Jan 2023 219th inventshah 888 115 11ms 24 Jan 2023 220th Steffan153 🇫🇮 888 128 504ms 26 Jul 2024 221st Steffan153 🇫🇮 888 133 13ms 19 Aug 2024 222nd Steffan153 🇫🇮 887 103 14ms 26 Feb 2023 223rd Steffan153 🇫🇮 887 140 117ms 21 Apr 2023 223rd sean-niemann 🇺🇸 887 140 112ms 25 Apr 2025 225th FortuiteMan 🇫🇷 886 45 118ms 7 Oct 2024 226th dpethes 886 88 89ms 10 Jan 2024 227th dokutan 883 58 216ms 2 Nov 2025 228th ovs-code 🇩🇪 883 107 20ms 4 Oct 2024 229th primo-ppcg 🇹🇭 883 108 3,841ms 17 Apr 2025 230th MeWhenI 🇻🇦 883 171 112ms 16 Jun 2023 231st primo-ppcg 🇹🇭 882 186 167ms 9 Jan 2020 232nd nwellnhof 🇩🇪 880 116 9ms 19 Feb 2020 233rd primo-ppcg 🇹🇭 880 131 44ms 24 Jun 2022 234th btjones0 878 98 20ms 16 Jul 2022 234th lifthrasiir 🇰🇷 878 98 819ms 16 Nov 2024 236th sean-niemann 🇺🇸 878 108 26ms 31 Oct 2023 237th IanUtley 877 127 47ms 4 Nov 2023 238th primo-ppcg 🇹🇭 876 89 554ms 25 Aug 2020 238th Lydxn 🇨🇦 876 89 66ms 17 Apr 2022 238th JayXon 🇺🇸 876 89 66ms 17 Apr 2022 First Prev 161–240 of 1,859 Next Last