The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Arabic to Roman in Python 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 401st Akilles1 308 286 45ms 25 Apr 2025 402nd veitkrapf 306 288 19ms 7 Oct 2021 402nd GeneralFabian 306 288 32ms 14 Dec 2024 404th ArturLange 304 289 20ms 14 Sep 2018 404th jan-Simiman 304 289 21ms 16 Oct 2024 406th LlamaLad7 🇬🇧 303 290 23ms 17 Jan 2021 406th tayshaver10 303 290 18ms 29 Apr 2025 408th jeaosh 301 292 42ms 22 Oct 2022 408th OSYCh314 🇦🇺 301 292 18ms 16 Nov 2024 410th IoLimmer 295 298 19ms 17 Jan 2025 411th yuchuehw 292 301 30ms 28 Jan 2024 411th alfonsoalves 292 301 16ms 29 Feb 2024 411th sreyfe 292 301 20ms 23 Mar 2025 414th 2011-Chan-Ethan 289 304 18ms 17 Jul 2023 415th tpolster 288 306 17ms 9 Oct 2024 416th azierariel 286 308 19ms 20 Dec 2020 417th themtamejaws 285 309 18ms 28 May 2020 417th mrmena 🇦🇺 285 309 20ms 1 Jun 2021 419th michelebastione 🇮🇹 284 310 20ms 21 Oct 2019 420th jgermain48 283 311 16ms 9 Dec 2019 421st feherd 280 314 34ms 20 May 2022 422nd C3P-Oops 279 315 19ms 24 Jan 2023 423rd pecholsjones 270 326 20ms 9 Dec 2021 424th newc0m 268 328 20ms 15 Dec 2018 425th hymanimy 266 331 36ms 8 Jan 2022 426th PFischbeck 265 332 18ms 28 Nov 2017 427th DrPrettyman 263 334 23ms 4 Jul 2023 428th alexjurkiewicz 🇦🇺 261 337 18ms 14 Jul 2022 429th ImQWERTY39 259 340 20ms 2 Sep 2023 430th fl3ur1nestimable 255 345 17ms 28 Mar 2022 431st DerivingDrunk 254 346 21ms 14 Sep 2025 432nd Trunksistor 🇫🇷 251 350 22ms 23 May 2022 433rd titrok0982 242 363 17ms 24 Jul 2022 434th AforAmpere 238 370 19ms 7 Jun 2020 434th Bit125 238 370 22ms 11 Feb 2025 436th usnheckler 234 376 21ms 6 Jun 2019 436th TheAtrossian 234 376 19ms 5 Jan 2025 438th Saaxxx 230 382 21ms 29 Nov 2023 439th Primedavid06 229 385 18ms 5 May 2025 440th DiyaKumariGupta 226 389 21ms 6 May 2025 441st adesanjo 222 397 18ms 12 Jun 2018 442nd Mikey-Beep 🇬🇧 219 402 18ms 5 Oct 2022 443rd JakeSummers1 218 403 18ms 4 May 2025 444th TJK-S 217 405 20ms 26 days ago 445th yvngbvshwookie 215 409 26ms 3 May 2025 446th LizzardTheWizzard 215 410 16ms 4 May 2025 447th jsvizcaino 214 412 21ms 17 Oct 2022 448th estomagordo 🇳🇱 213 413 18ms 5 Aug 2019 448th mhenion8293 🇺🇸 213 413 21ms 13 Jan 2022 448th smilesformiles3 213 413 20ms 15 Jun 2025 451st ethandhunt 213 414 23ms 20 Jul 2021 452nd ValdeQwerty 205 430 27ms 27 Nov 2019 453rd rcs0252 203 433 18ms 6 May 2025 454th iwe0003 202 435 17ms 6 May 2025 455th amritm55 200 439 18ms 1 May 2025 456th tpepython 200 440 22ms 4 Feb 2025 457th ShawnPan9376 199 443 20ms 30 Apr 2025 458th sakshiPatel2602 194 453 18ms 5 May 2025 459th MostValue 193 455 20ms 29 Aug 2023 460th kalehika1234 193 457 18ms 30 Apr 2025 461st zaironwhite 191 460 17ms 6 May 2025 462nd Rowen-Salazar 190 463 21ms 3 May 2025 463rd dylanjones92 174 506 31ms 29 Jan 2024 464th jac1107 173 508 17ms 6 May 2025 465th besasam 170 517 17ms 31 Mar 2021 466th goodrichster 165 532 17ms 20 Dec 2024 466th AshayP123 165 532 19ms 30 Apr 2025 468th chaamsak 163 539 18ms 5 May 2025 469th GolfGPT 155 567 19ms 19 Nov 2023 470th jtb0362 150 586 18ms 6 May 2025 471st cnc0256 149 592 18ms 5 May 2025 472nd Kunsangrg 146 602 17ms 6 May 2025 473rd aidnrox 141 626 21ms 2 May 2025 473rd LyndaS317 141 626 17ms 7 May 2025 475th ch-1016 133 663 19ms 6 May 2025 476th Zhenyu-Bo 130 679 18ms 30 Jul 2025 477th AidanWalter 129 681 19ms 3 Jan 2025 478th arebbsba 125 706 18ms 19 Dec 2024 479th Jordynar02 121 726 22ms 3 May 2025 480th Siyasia 119 737 19ms 3 May 2025 First Prev 401–480 of 502 Next Last
