The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Roman to Arabic 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 240th henrytranter 536 183 21ms 20 Sep 2019 240th argusdusty 🇺🇸 536 183 27ms 31 Dec 2020 240th 4ndyJ 🇬🇧 536 183 21ms 6 Mar 2023 240th JunkIce 536 183 28ms 9 Oct 2024 240th Flekay 🇩🇪 536 183 27ms 10 Jul 2025 246th joshmoody24 533 184 29ms 4 Mar 2022 246th jumpingtj 533 184 22ms 9 Mar 2025 248th michelebastione 🇮🇹 530 185 25ms 28 May 2021 248th danielweper 530 185 19ms 21 Oct 2021 250th Natz12 527 186 20ms 17 Mar 2023 250th stertooy 🇧🇪 527 186 26ms 12 Jun 2024 252nd jrm5399 🇰🇿 524 187 22ms 11 Nov 2021 252nd andrewjc2000 524 187 25ms 19 May 2025 254th Jviscus1 521 188 20ms 24 Apr 2020 254th martinnorling 🇸🇪 521 188 23ms 2 Mar 2022 254th twocatsinatrenchcoat 521 188 22ms 16 Apr 2022 257th lemogne 519 189 20ms 7 Aug 2021 257th ComputerKWasTaken 🇺🇸 519 189 18ms 6 Jun 2024 259th Nibamot 510 192 20ms 21 Jan 2020 260th valeria-227 508 193 18ms 5 May 2025 261st codewrite 🇬🇧 505 194 18ms 11 Jul 2025 262nd EnisEfe0 503 195 21ms 18 May 2025 263rd janga1 500 196 21ms 15 Aug 2021 263rd eiburns 500 196 20ms 4 Oct 2023 265th inverseLorentz 🇦🇺 490 200 19ms 13 Oct 2023 266th theonlytruemathnerd 485 202 19ms 11 Jan 2020 266th WilliamKeating 485 202 20ms 7 Dec 2022 268th ThomasTram 483 203 21ms 28 Feb 2018 269th adoxography 480 204 25ms 10 Oct 2019 269th DarkTemplar5 480 204 319ms 22 Feb 2020 271st ethandhunt 478 205 17ms 16 Aug 2021 272nd S-Ruban 476 206 18ms 1 Mar 2023 272nd msbranicky 476 206 21ms 27 Jul 2023 274th ozzypossie 471 208 20ms 24 May 2023 275th rollershutter 469 209 30ms 4 Oct 2022 276th Bananapants22 467 210 20ms 15 Aug 2022 276th Zhenyu-Bo 467 210 20ms 1 Aug 2025 278th Vaekor 460 213 24ms 16 Nov 2020 278th Trunksistor 🇫🇷 460 213 18ms 23 May 2022 278th aalec 460 213 27ms 26 days ago 281st hoodadam 458 214 19ms 19 Jun 2019 281st JuanGomez12 458 214 19ms 23 Mar 2023 281st jeff-at-tamer-dot-codes 🇺🇸 458 214 22ms 25 Mar 2024 284th valgardg 🇮🇸 452 217 49ms 9 Aug 2021 285th HughCornett 445 220 18ms 5 Oct 2019 286th roguh 🇬🇹 443 221 21ms 23 Jan 2024 287th alexhroom 439 223 19ms 7 Feb 2024 288th wilkij1 438 224 38ms 17 Jun 2018 289th geofft 436 225 18ms 10 Dec 2020 290th bwenstar 428 229 17ms 21 Feb 2024 291st ValentinCassayre 426 230 31ms 22 Jul 2024 292nd ionutm82 424 231 22ms 13 May 2019 293rd newc0m 422 232 21ms 15 Dec 2018 293rd yousefbus 422 232 20ms 20 Feb 2023 295th my-company-my 🇲🇽 419 234 22ms 21 Mar 2025 296th adesanjo 417 235 21ms 15 Jun 2018 296th RyanCarrusca 417 235 27ms 21 Feb 2019 298th Pena86 414 237 19ms 6 Jan 2022 299th PFischbeck 412 238 32ms 5 Dec 2017 299th Upload-and-View 🇺🇦 412 238 19ms 16 Aug 2025 301st Marco-perce 408 240 33ms 24 Aug 2022 302nd vodker1 407 241 22ms 8 Mar 2022 303rd Mikey-Beep 🇬🇧 398 246 18ms 29 Sep 2022 304th vonKrafft 395 248 24ms 24 Mar 2020 304th b10011 🇫🇮 395 248 29ms 16 Jan 2023 306th yhm138 389 252 18ms 16 Feb 2025 307th trist224 🇫🇷 386 254 21ms 25 Dec 2022 308th Starwort 🇬🇧 384 255 23ms 5 Apr 2019 309th narad-muni 🇮🇳 367 267 27ms 7 May 2022 310th Noah-Fox 366 268 20ms 4 Jun 2022 311th tomh1012 355 276 79ms 3 Nov 2020 312th mothcolada 🇺🇸 349 281 16ms 10 Mar 2021 313th zbreit 🇺🇸 331 296 26ms 6 Aug 2020 313th rschwa6308 🇺🇸 331 296 28ms 6 Aug 2020 313th StardustGogeta 331 296 27ms 6 Aug 2020 313th mcjo163 331 296 27ms 2 Sep 2020 317th atazzam 🇺🇸 311 315 22ms 16 May 2022 318th estomagordo 🇳🇱 293 334 22ms 3 Aug 2019 319th zt14427 255 385 24ms 28 Dec 2023 320th cawelch2 247 396 19ms 10 Jan 2024 First Prev 241–320 of 334 Next Last
