The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Morse Encoder 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 161st Haksell 🇦🇶 298 319 17ms 1 Dec 2019 161st Florian-Mt 298 319 10ms 13 Nov 2023 163rd Emutis 🇱🇹 296 321 10ms 12 Aug 2025 164th PaulMWeiser 295 322 12ms 3 Mar 2023 165th garrisonhh 294 323 16ms 19 Nov 2020 166th qwjhvbxi 292 325 10ms 12 Feb 2024 167th dahrens 290 328 9ms 13 May 2021 168th mrmena 🇦🇺 289 329 18ms 11 Jun 2021 169th Edjyzod 288 330 10ms 31 Mar 2023 169th MarshalX 🇵🇱 288 330 10ms 14 Nov 2024 171st lomarbrick 287 331 9ms 17 May 2023 171st Mathrew2012 287 331 9ms 9 Nov 2024 173rd TaserTheFox 🇺🇸 285 333 13ms 5 Apr 2023 174th MaxElf999 283 336 9ms 28 Sep 2022 175th za3k 281 338 9ms 8 Oct 2022 175th CheeseCake628 🇳🇴 281 338 9ms 19 Jun 2025 177th Psirving 280 339 11ms 2 Aug 2020 177th TheZwierzLF 🇵🇱 280 339 11ms 10 days ago 179th TheAristos 279 341 11ms 30 Oct 2019 180th vgamula 🇺🇦 277 343 9ms 7 Jul 2025 181st OllieBoyne 🇬🇧 275 345 11ms 23 Jan 2021 182nd codewrite 🇬🇧 274 347 10ms 12 Jul 2025 183rd SoliGhost 273 348 12ms 8 Jun 2025 184th jfallon1997 271 350 10ms 13 May 2024 185th dzshn 270 352 10ms 25 Nov 2020 185th stordev 270 352 9ms 26 Feb 2021 185th 77Tigers 270 352 10ms 28 May 2021 188th aksyristos 269 353 9ms 14 Mar 2023 189th betaveros 266 357 9ms 1 Jan 2023 190th richard-oelze 🇩🇪 265 358 10ms 20 Mar 2021 191st CaedenHarper 🇨🇦 262 362 10ms 10 Oct 2024 192nd eiburns 260 365 10ms 8 May 2023 192nd PotatoSaladOverlord 260 365 10ms 16 Jan 2024 194th temoto 259 367 10ms 20 Sep 2018 195th brochmann 🇸🇪 257 370 9ms 9 Feb 2022 195th m42km 257 370 10ms 23 Oct 2023 195th ridingqwerty 🇺🇸 257 370 10ms 3 Dec 2023 195th klixel 🇨🇦 257 370 9ms 23 Jan 2025 199th 4ndyJ 🇬🇧 255 372 10ms 19 Jun 2025 200th ragerin 255 373 16ms 21 Feb 2018 201st mokymok 🇺🇸 254 374 10ms 1 Dec 2021 202nd croc54 253 376 10ms 14 Jan 2025 203rd wrhm 247 385 10ms 12 Dec 2020 204th jhpaques 🇫🇷 246 386 10ms 29 Jul 2022 205th michelebastione 🇮🇹 245 388 10ms 21 Mar 2022 206th Openstreetmapler 244 390 10ms 23 Nov 2019 207th madex 🇩🇪 242 393 9ms 23 Jun 2024 208th Pena86 241 395 12ms 30 Dec 2021 208th ThatAlo 241 395 10ms 12 Jun 2023 210th jotslo 🇬🇧 238 399 9ms 5 Jul 2021 211th Mikey-Beep 🇬🇧 235 404 10ms 25 Aug 2023 212th bsoyka 🇺🇸 234 406 10ms 9 Jan 2022 213th eddvrs 232 410 10ms 20 Aug 2022 214th lrustand 231 412 10ms 19 Feb 2018 215th markbyrne 226 421 10ms 25 Oct 2020 216th HassanAliKadhem 🇧🇭 219 433 17ms 4 Jan 2022 217th Vaekor 217 437 10ms 16 Nov 2020 218th Trunksistor 🇫🇷 215 441 10ms 19 Apr 2022 219th NanduBC 213 445 10ms 23 Mar 2021 220th CutSandstone 213 446 16ms 5 Jul 2024 221st b4dpxl 210 452 9ms 4 Dec 2019 222nd Starwort 🇬🇧 208 457 10ms 4 Mar 2019 222nd RJFuller 208 457 11ms 23 Feb 2024 224th rollershutter 201 472 9ms 19 Jul 2023 225th 21zz 200 475 10ms 2 Dec 2022 226th aglahir1 197 483 9ms 21 Jul 2022 227th vonKrafft 195 486 9ms 26 Mar 2020 228th mothcolada 🇺🇸 195 487 10ms 11 Mar 2021 229th moshiba 194 490 12ms 18 Apr 2018 230th jtaxen 190 500 10ms 6 May 2024 231st twocatsinatrenchcoat 189 502 10ms 10 May 2022 232nd valgardg 🇮🇸 188 504 9ms 10 Aug 2021 233rd befoster 187 507 10ms 8 May 2021 234th JeromeSchweitzer 186 511 16ms 7 Sep 2020 234th Drew-j-Smith 186 511 10ms 29 Mar 2022 236th Stockoh 🇫🇷 184 515 10ms 5 Nov 2023 237th bobsbeenjamin 🇺🇸 182 522 9ms 10 Dec 2020 238th jameswmccarty 181 525 10ms 4 Nov 2024 239th amishtal 179 530 10ms 5 Dec 2019 240th ArturLange 178 534 10ms 14 Sep 2018 First Prev 161–240 of 282 Next Last
