The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
Arabic to Roman in Python in bytes. 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 Bytes Time Submitted 79th StefanHabel 🇨🇦 780 159 23ms 11 Nov 2022 79th stacksparrow4 780 159 21ms 29 Aug 2023 83rd KatieLG 🇬🇧 775 160 23ms 19 Apr 2025 84th AGoyet 770 161 20ms 26 Jul 2022 84th anter69 🇭🇺 770 161 42ms 20 Nov 2023 84th NDR0216 🇹🇼 770 161 20ms 4 Jul 2024 84th zhaohm14 770 161 21ms 6 Jun 2025 88th Shanethegamer 🇺🇸 765 162 22ms 17 Apr 2022 88th inventshah 765 162 23ms 24 Jan 2023 88th tobyLovick 765 162 21ms 7 Dec 2023 88th plcc0 765 162 22ms 26 Mar 2025 92nd annaproxy 761 163 20ms 21 Feb 2022 92nd duckyluuk 🇳🇱 761 163 46ms 7 Jul 2025 92nd ndren 761 163 411ms 19 Oct 2025 92nd M4rc0g1 761 163 20ms 22 Nov 2025 96th mbittner20 756 164 20ms 27 May 2023 97th YoungjuneKwon 752 165 23ms 19 Dec 2018 97th neihousaigaai 752 165 20ms 6 Oct 2024 99th ludwig-n 743 167 22ms 6 Apr 2021 100th jfallon1997 738 168 28ms 15 Aug 2022 100th mathisfun271 738 168 25ms 16 Dec 2023 100th dirckvdende 738 168 24ms 6 Jul 2025 103rd SniperSmiley 🇺🇸 734 169 19ms 29 Jun 2022 104th Yewzir 🇧🇪 729 170 24ms 3 Jun 2024 104th HumanoidCPU 729 170 27ms 31 Oct 2024 104th keelimeguy 🇺🇸 729 170 67ms 17 May 2025 104th Moltres-Galar 🇺🇦 729 170 22ms 28 May 2025 108th TobyBoyne 🇬🇧 725 171 36ms 26 Feb 2021 108th amollberg 🇸🇪 725 171 21ms 18 Jan 2022 108th wuduculfre 725 171 24ms 29 Jul 2025 108th solisolu 725 171 23ms 17 Oct 2025 112th minus7 721 172 21ms 24 Feb 2018 112th cubed-guy 721 172 22ms 2 Nov 2022 112th adamnielson42 🇺🇸 721 172 20ms 7 Dec 2023 112th CutSandstone 721 172 18ms 4 Jul 2024 116th yokasuretsu 717 173 21ms 14 Jan 2025 117th MaxElf999 713 174 26ms 29 Sep 2022 118th LouisRustenholz 709 175 48ms 23 Dec 2021 118th wrose100 709 175 22ms 9 Apr 2022 118th yoavjs 709 175 18ms 1 Apr 2025 118th Babafaba 709 175 21ms 24 Nov 2025 122nd mossprescott 705 176 18ms 24 Jun 2019 122nd NanduBC 705 176 21ms 17 Mar 2021 122nd za3k 705 176 25ms 11 Oct 2022 122nd QuincyNash 🇺🇸 705 176 414ms 4 Dec 2022 122nd msbranicky 705 176 22ms 27 Jul 2023 122nd fkantelberg 705 176 19ms 9 Aug 2023 122nd ssbhatt4321 705 176 27ms 14 Oct 2023 122nd JorgiEagle 705 176 23ms 8 Feb 2024 122nd hiichbindermax 705 176 24ms 11 Sep 2024 131st jmerle 🇳🇱 701 177 22ms 20 Jun 2023 131st SB-945 701 177 22ms 3 Mar 2024 131st drochom 701 177 28ms 20 Jun 2024 131st dokutan 701 177 28ms 8 Sep 2025 131st vhoulbreque 🇫🇷 701 177 22ms 13 Sep 2025 131st CaedenHarper 🇨🇦 701 177 42ms 29 Oct 2025 137th snooze92 🇫🇷 697 178 19ms 26 Feb 2025 137th milana-94888u 697 178 19ms 5 Mar 2025 137th InigoK 🇺🇸 697 178 24ms 26 Aug 2025 140th yzhs 🇩🇪 693 179 29ms 8 Feb 2020 140th urojony 🇵🇱 693 179 22ms 27 May 2021 140th raspofabs 693 179 22ms 8 Jul 2023 140th FranklinJiaChen 693 179 23ms 12 Jun 2024 140th kistlerf 🇨🇭 693 179 37ms 12 May 2025 140th LuisGoncalves05 🇵🇹 693 179 22ms 11 Jul 2025 140th jacekwladzinski 693 179 32ms 8 Oct 2025 147th Indivicivet 689 180 22ms 11 Mar 2021 147th cesarm4 689 180 27ms 31 Aug 2021 147th idoweinstein 689 180 28ms 5 Aug 2022 147th ThatAlo 689 180 23ms 25 Aug 2022 147th StardustGogeta 689 180 21ms 18 Aug 2023 147th Andrey2001 689 180 29ms 23 Nov 2025 153rd Fishron 685 181 21ms 20 Nov 2022 153rd nstearns96 🇬🇧 685 181 26ms 29 Nov 2022 153rd pde-bakk 🇳🇱 685 181 23ms 23 Oct 2023 153rd elgan65536 685 181 21ms 1 Apr 2024 153rd EnTerr 685 181 23ms 8 Sep 2024 153rd Josemnz 685 181 22ms 4 May 2025 153rd Flekay 🇩🇪 685 181 23ms 10 Jul 2025 160th Alex-x90 🇺🇸 681 182 48ms 13 Feb 2023 First Prev 81–160 of 501 Next Last