The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Arrows 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 joll05 🇸🇪 407 182 13ms 28 May 2023 241st ThatAlo 407 182 11ms 12 Jun 2023 243rd Bodo171 404 183 12ms 1 Jul 2024 243rd paiv 404 183 10ms 16 Jun 2025 245th jeff-at-tamer-dot-codes 🇺🇸 402 184 14ms 28 Jul 2024 246th Stockoh 🇫🇷 396 187 11ms 1 May 2024 247th P-Quentin 🇫🇷 392 189 11ms 3 Aug 2022 247th mbittner20 392 189 11ms 22 Sep 2024 249th mrmena 🇦🇺 389 190 11ms 3 Sep 2021 249th aglahir1 389 190 11ms 16 Feb 2022 251st jameswmccarty 387 191 12ms 29 Sep 2024 252nd amadeusdotpng 385 192 11ms 15 Jun 2023 253rd aazuspan 383 193 10ms 8 Aug 2022 253rd OrangeBacon 383 193 12ms 1 Aug 2024 255th Wildst 381 194 12ms 20 Jul 2022 256th madex 🇩🇪 379 195 11ms 26 May 2024 257th dainiak 372 199 12ms 23 Jul 2023 258th strogor 368 201 10ms 9 Jun 2025 259th bac0id 366 202 12ms 26 Sep 2023 259th luuumine 🇫🇷 366 202 13ms 16 Oct 2025 261st TheZappie 365 203 13ms 9 Apr 2022 261st hellwue 365 203 13ms 22 Nov 2023 261st robbertvz 365 203 11ms 19 Nov 2025 264th Trunksistor 🇫🇷 363 204 13ms 5 May 2022 265th osmith93 361 205 11ms 10 Jul 2022 265th diquah 361 205 17ms 1 Nov 2023 265th rollershutter 361 205 10ms 21 Nov 2023 268th hymanimy 357 207 13ms 26 Aug 2021 269th mathisfun271 356 208 10ms 6 Mar 2024 270th Lunik 354 209 12ms 7 Nov 2022 271st klixel 🇨🇦 351 211 10ms 19 Jun 2025 272nd lhulinsky 349 212 14ms 28 Oct 2024 273rd sbyrne51 346 214 10ms 2 Oct 2022 274th resoNathan 339 218 10ms 5 Jul 2024 275th cesarm4 336 220 13ms 5 May 2022 275th MiranDaniel 🇨🇿 336 220 11ms 2 Sep 2023 275th Code-Coder-coder 336 220 12ms 14 Oct 2025 278th j-Ewan 332 223 14ms 2 Mar 2022 278th shibacho 🇯🇵 332 223 11ms 25 Mar 2022 278th rustykitty 🇺🇸 332 223 11ms 31 Oct 2025 281st CRHillman 329 225 12ms 16 Dec 2021 281st TheZwierzLF 🇵🇱 329 225 12ms 25 days ago 283rd quasar098 325 228 13ms 29 Mar 2022 284th ABC00012345 323 229 11ms 26 Nov 2024 285th ImpressedByRocks 322 230 14ms 27 Jun 2022 286th Alban-Boissard 320 231 10ms 11 Jun 2025 286th dirckvdende 320 231 11ms 21 Jul 2025 288th PotatoSaladOverlord 319 232 10ms 3 Jun 2023 289th joonaspu 315 235 15ms 3 Jun 2023 290th dranjohn 312 237 12ms 11 Sep 2023 291st eiburns 307 241 13ms 24 Feb 2023 291st Vaekor 307 241 13ms 9 Jul 2023 293rd saturzay 305 243 11ms 18 Aug 2025 294th Ralac07 🇦🇺 302 245 13ms 25 days ago 295th joe0400 292 253 14ms 7 Sep 2021 296th jhpaques 🇫🇷 291 254 11ms 27 Jul 2022 297th WillowWispy 290 255 12ms 22 Mar 2025 298th glesnick 282 262 14ms 14 Jul 2022 298th ESOrSomething 282 262 11ms 26 Sep 2025 300th Saaxxx 281 263 10ms 30 Nov 2023 301st ComputerKWasTaken 🇺🇸 275 269 12ms 20 Jan 2025 301st osNiko 🇧🇷 275 269 10ms 23 Jul 2025 303rd andre-de-lorde 268 276 13ms 1 Sep 2022 303rd cingulataluke 268 276 13ms 29 Aug 2023 303rd lucasalavapena 268 276 12ms 15 Dec 2023 306th jfallon1997 263 281 13ms 16 Sep 2022 307th yashima 247 299 10ms 4 Nov 2024 308th codefeld 239 310 11ms 4 Mar 2023 308th AtengChen 239 310 11ms 17 Aug 2024 310th epic-programmer-guy 226 328 11ms 30 Dec 2023 311th vhoulbreque 🇫🇷 224 330 14ms 3 Apr 2024 312th 5quiwyrm 219 338 14ms 2 Sep 2025 313th ramsay 214 345 11ms 9 Aug 2022 314th Pale-Vessel 214 346 11ms 19 Dec 2023 315th johnellis1392 211 350 15ms 6 Jan 2024 316th Bit125 210 352 11ms 31 Jan 2024 317th Shotokhan 209 354 11ms 18 Sep 2025 318th dillon-duncando 204 363 12ms 26 Nov 2021 319th atazzam 🇺🇸 203 365 12ms 4 Apr 2022 320th Bananapants22 191 387 11ms 15 Aug 2022 First Prev 241–320 of 358 Next Last