The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Roman to Arabic 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 241st Bonjour27891 🇻🇳 413 179 20ms 15 Mar 2022 241st ridingqwerty 🇺🇸 413 179 19ms 26 Feb 2024 243rd hjcafaroUC 411 180 20ms 9 Aug 2020 243rd nullie 411 180 28ms 15 Jun 2022 243rd hellwue 411 180 19ms 8 Feb 2023 243rd thienudomsrirungruang 411 180 19ms 2 Apr 2024 247th lrekowski 409 181 18ms 11 Feb 2021 248th zuparnowa 404 183 19ms 11 Feb 2019 248th henrytranter 404 183 21ms 20 Sep 2019 248th argusdusty 🇺🇸 404 183 27ms 31 Dec 2020 248th 4ndyJ 🇬🇧 404 183 21ms 6 Mar 2023 248th Flekay 🇩🇪 404 183 27ms 10 Jul 2025 253rd joshmoody24 402 184 29ms 4 Mar 2022 253rd jumpingtj 402 184 22ms 9 Mar 2025 255th michelebastione 🇮🇹 400 185 25ms 28 May 2021 255th danielweper 400 185 19ms 21 Oct 2021 257th Natz12 398 186 20ms 17 Mar 2023 257th stertooy 🇧🇪 398 186 26ms 12 Jun 2024 259th jrm5399 🇰🇿 396 187 22ms 11 Nov 2021 259th andrewjc2000 396 187 25ms 19 May 2025 261st Jviscus1 394 188 20ms 24 Apr 2020 261st martinnorling 🇸🇪 394 188 23ms 2 Mar 2022 261st twocatsinatrenchcoat 394 188 22ms 16 Apr 2022 264th lemogne 392 189 20ms 7 Aug 2021 264th ComputerKWasTaken 🇺🇸 392 189 18ms 6 Jun 2024 266th Nibamot 385 192 20ms 21 Jan 2020 267th valeria-227 383 193 18ms 5 May 2025 268th codewrite 🇬🇧 381 194 18ms 11 Jul 2025 269th EnisEfe0 379 195 21ms 18 May 2025 270th janga1 378 196 21ms 15 Aug 2021 270th eiburns 378 196 20ms 4 Oct 2023 272nd inverseLorentz 🇦🇺 370 200 19ms 13 Oct 2023 273rd theonlytruemathnerd 366 202 19ms 11 Jan 2020 273rd WilliamKeating 366 202 20ms 7 Dec 2022 275th ThomasTram 365 203 21ms 28 Feb 2018 276th adoxography 363 204 25ms 10 Oct 2019 276th DarkTemplar5 363 204 319ms 22 Feb 2020 278th ethandhunt 361 205 17ms 16 Aug 2021 279th S-Ruban 359 206 18ms 1 Mar 2023 279th msbranicky 359 206 21ms 27 Jul 2023 281st ozzypossie 356 208 20ms 24 May 2023 282nd rollershutter 354 209 30ms 4 Oct 2022 283rd Bananapants22 352 210 20ms 15 Aug 2022 283rd Zhenyu-Bo 352 210 20ms 1 Aug 2025 285th Vaekor 347 213 24ms 16 Nov 2020 285th Trunksistor 🇫🇷 347 213 18ms 23 May 2022 285th aalec 347 213 27ms 27 days ago 288th hoodadam 346 214 19ms 19 Jun 2019 288th JuanGomez12 346 214 19ms 23 Mar 2023 290th valgardg 🇮🇸 341 217 49ms 9 Aug 2021 291st HughCornett 336 220 18ms 5 Oct 2019 292nd roguh 🇬🇹 335 221 21ms 23 Jan 2024 293rd alexhroom 332 223 19ms 7 Feb 2024 294th wilkij1 330 224 38ms 17 Jun 2018 295th geofft 329 225 18ms 10 Dec 2020 296th ValentinCassayre 322 230 31ms 22 Jul 2024 297th ionutm82 320 231 22ms 13 May 2019 298th newc0m 319 232 21ms 15 Dec 2018 298th yousefbus 319 232 20ms 20 Feb 2023 300th my-company-my 🇲🇽 316 234 22ms 21 Mar 2025 301st adesanjo 315 235 21ms 15 Jun 2018 301st RyanCarrusca 315 235 27ms 21 Feb 2019 303rd Pena86 312 237 19ms 6 Jan 2022 304th PFischbeck 311 238 32ms 5 Dec 2017 304th Upload-and-View 🇺🇦 311 238 19ms 16 Aug 2025 306th Marco-perce 308 240 33ms 24 Aug 2022 307th vodker1 307 241 22ms 8 Mar 2022 308th Mikey-Beep 🇬🇧 301 246 18ms 29 Sep 2022 309th vonKrafft 298 248 24ms 24 Mar 2020 310th yhm138 294 252 18ms 16 Feb 2025 311th trist224 🇫🇷 291 254 21ms 25 Dec 2022 312th Starwort 🇬🇧 290 255 23ms 5 Apr 2019 313th narad-muni 🇮🇳 277 267 27ms 7 May 2022 314th Noah-Fox 276 268 20ms 4 Jun 2022 315th tomh1012 268 276 79ms 3 Nov 2020 316th mothcolada 🇺🇸 263 281 16ms 10 Mar 2021 317th atazzam 🇺🇸 235 315 22ms 16 May 2022 318th estomagordo 🇳🇱 222 334 22ms 3 Aug 2019 319th zt14427 192 385 24ms 28 Dec 2023 320th cawelch2 187 396 19ms 10 Jan 2024 First Prev 241–320 of 334 Next Last
