The Calendar hole will go live in approximately 12 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 321st winigo3 546 227 20ms 9 Aug 2022 322nd timchu 541 229 21ms 4 Feb 2021 323rd Natz12 539 230 23ms 23 Mar 2023 323rd zt14427 539 230 20ms 18 Nov 2023 325th bastienvoirin 🇫🇷 537 231 23ms 7 Apr 2020 325th S-Ruban 537 231 18ms 26 Feb 2025 327th ionutm82 534 232 21ms 1 Mar 2019 327th j21marshall 534 232 24ms 7 Aug 2020 327th orifu 534 232 43ms 1 Mar 2021 327th SinArieh 534 232 19ms 4 May 2025 331st jhpaques 🇫🇷 532 233 19ms 27 Jul 2022 331st vuxlee584 🇻🇳 532 233 20ms 16 Aug 2022 331st tsidwick 532 233 19ms 20 Dec 2023 331st Nikinator2704 532 233 24ms 31 Oct 2025 335th khangtm123 530 234 22ms 6 May 2025 336th dlee888 528 235 26ms 17 Nov 2023 336th roguh 🇬🇹 528 235 37ms 24 Jan 2024 338th guilhem-roy 🇫🇷 525 236 321ms 25 Feb 2022 338th glesnick 525 236 17ms 17 Aug 2022 338th gallium-gonzollium 525 236 33ms 21 Jan 2025 341st kevdah 521 238 23ms 8 May 2022 341st rollershutter 521 238 25ms 8 Dec 2023 341st resoNathan 521 238 38ms 25 Apr 2024 344th jazztext 517 240 20ms 1 Jan 2023 344th Argon1999 517 240 48ms 4 Aug 2024 346th PotatoSaladOverlord 515 241 22ms 3 Jun 2023 347th guliyevemil1 🇦🇿 512 242 18ms 1 Aug 2020 347th Europe2048 512 242 22ms 4 Dec 2024 349th AgathokakologicalBit 510 243 28ms 26 Jul 2019 349th JuanGomez12 510 243 19ms 31 Mar 2023 351st chartung17 508 244 17ms 14 Jan 2024 352nd Eugen-str 506 245 22ms 31 Oct 2023 352nd brimstonetrader 506 245 20ms 18 Dec 2023 354th ei14 504 246 70ms 18 Jun 2022 354th bbakersmith 504 246 20ms 28 Jun 2022 356th PhysicDev 🇫🇷 502 247 19ms 17 Mar 2022 357th ridingqwerty 🇺🇸 500 248 31ms 30 Jan 2024 358th Rafale25 496 250 40ms 27 Jul 2020 358th Yareeeema 496 250 21ms 12 Aug 2022 358th Hortaros 496 250 19ms 14 Apr 2023 361st dillon-duncando 494 251 19ms 4 Oct 2022 362nd Upload-and-View 🇺🇦 492 252 17ms 24 Jul 2025 362nd llPlayll 492 252 19ms 14 days ago 364th vonKrafft 488 254 20ms 24 Mar 2020 364th NicoAdams 488 254 23ms 21 Nov 2021 366th karthik-35 486 255 17ms 30 Apr 2025 366th luuumine 🇫🇷 486 255 23ms 16 Oct 2025 368th sanssaraf 484 256 28ms 2 May 2020 369th Bananapants22 482 257 17ms 10 Aug 2022 370th Deedogg 481 258 26ms 11 Jun 2024 371st nsamuelson 479 259 21ms 8 May 2019 372nd jbrry 477 260 18ms 28 May 2022 372nd ramsay 477 260 18ms 9 Aug 2022 374th twocatsinatrenchcoat 475 261 18ms 5 May 2022 374th JesseNoEyes 🇺🇸 475 261 17ms 18 Sep 2024 376th shibacho 🇯🇵 473 262 18ms 25 Mar 2022 376th CyberTapir 473 262 17ms 10 Sep 2024 378th lrustand 471 263 22ms 25 Feb 2018 379th plainoldcheese 🇦🇶 470 264 21ms 17 Jan 2024 380th kevinnaviapaiva 466 266 21ms 6 Mar 2025 381st ComputerKWasTaken 🇺🇸 461 269 16ms 6 Jun 2024 382nd NoneTheFewer 458 271 19ms 17 May 2024 383rd hardlyBearable 454 273 21ms 12 May 2019 383rd NerdyMcNerd42 454 273 21ms 27 Oct 2022 383rd sahilshresthaa 454 273 20ms 4 May 2025 386th aaardwark 448 277 26ms 30 May 2025 387th OppositeShark 444 279 18ms 7 Apr 2022 388th mothcolada 🇺🇸 441 281 17ms 26 Feb 2021 389th Starwort 🇬🇧 437 284 21ms 28 May 2019 389th sleepyStick 437 284 19ms 4 Dec 2021 389th atazzam 🇺🇸 437 284 24ms 3 Apr 2022 392nd CoolBvll 435 285 23ms 12 Jun 2025 393rd Akilles1 434 286 45ms 25 Apr 2025 394th veitkrapf 431 288 19ms 7 Oct 2021 394th GeneralFabian 431 288 32ms 14 Dec 2024 396th ArturLange 429 289 20ms 14 Sep 2018 396th jan-Simiman 429 289 21ms 16 Oct 2024 398th LlamaLad7 🇬🇧 428 290 23ms 17 Jan 2021 398th tayshaver10 428 290 18ms 29 Apr 2025 400th jeaosh 425 292 42ms 22 Oct 2022 First Prev 321–400 of 501 Next Last