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 81st SniperSmiley 🇺🇸 500 190 10ms 23 Jun 2021 82nd Informagier 497 191 16ms 16 Sep 2020 83rd PatrickStephansen 🇿🇦 492 193 16ms 23 Aug 2023 84th RaBa21 🇭🇺 487 195 17ms 14 Jul 2025 85th Mabeloid 🇳🇴 485 196 9ms 21 Sep 2024 86th m-tkach 🇺🇦 480 198 9ms 13 Feb 2023 87th kevinmchung 477 199 17ms 24 Feb 2018 88th SB-945 475 200 18ms 4 Sep 2023 88th Jacob385 475 200 10ms 1 May 2024 90th sambirnbaum1 470 202 10ms 13 Oct 2019 91st blaztoma 🇱🇹 468 203 9ms 2 Oct 2025 92nd StefanHabel 🇨🇦 466 204 16ms 17 Sep 2023 93rd davitf 461 206 10ms 31 Oct 2018 94th skps2010 457 208 16ms 29 Dec 2018 94th yzhs 🇩🇪 457 208 10ms 25 Oct 2020 96th msrawson 455 209 9ms 1 Sep 2018 97th andrewjc2000 450 211 10ms 18 Jul 2025 98th hoodadam 448 212 10ms 12 Jun 2019 98th mhsaul 448 212 11ms 10 Apr 2023 98th ceeb9 448 212 12ms 14 Jun 2024 98th Pulencode 🇨🇨 448 212 9ms 17 Nov 2024 102nd pickerj 442 215 10ms 4 Jun 2024 102nd frankgraziano 442 215 16ms 5 Apr 2025 104th Indivicivet 440 216 17ms 19 Oct 2021 105th ArmaanAS 436 218 11ms 26 Mar 2021 105th Lwi-Sandwich 436 218 10ms 20 Jul 2023 107th zuparnowa 430 221 10ms 8 Feb 2019 107th froggy2001 430 221 16ms 16 Feb 2023 109th mathisfun271 419 227 9ms 18 Dec 2023 109th yuchuehw 419 227 11ms 4 Jan 2024 111th amollberg 🇸🇪 415 229 17ms 16 Jan 2022 112th ejmejm 413 230 11ms 2 Dec 2021 112th Flekay 🇩🇪 413 230 12ms 11 Jul 2025 114th argusdusty 🇺🇸 408 233 16ms 11 Jan 2021 114th moustave 408 233 10ms 28 Mar 2025 116th Phanabani 🇺🇸 396 240 10ms 22 Oct 2020 117th bastienvoirin 🇫🇷 386 246 10ms 30 Nov 2020 118th petar-donchev 378 251 10ms 7 Sep 2019 119th Yewzir 🇧🇪 373 255 10ms 19 May 2023 119th Babafaba 373 255 17ms 11 Nov 2025 121st Bonjour27891 🇻🇳 365 260 12ms 10 Apr 2022 122nd ImpressedByRocks 364 261 14ms 19 Sep 2022 123rd InigoK 🇺🇸 363 262 10ms 15 Jun 2023 124th EnviloN 🇨🇿 361 263 9ms 20 Oct 2024 124th JunkIce 361 263 16ms 12 Feb 2025 126th msbranicky 360 264 22ms 3 Jul 2023 127th fgrosshans 🇫🇷 354 268 11ms 9 Jul 2024 128th yokasuretsu 353 269 10ms 19 Apr 2018 129th nullie 349 272 10ms 9 Jun 2022 130th eshilo-draper 341 279 9ms 21 Sep 2022 130th Ythaenagor 341 279 10ms 5 Aug 2024 132nd geofft 339 280 10ms 14 Dec 2020 133rd Re-Adventures 🇮🇳 338 281 11ms 10 Oct 2020 134th luuumine 🇫🇷 337 282 10ms 27 Oct 2025 135th neihousaigaai 333 285 10ms 27 Dec 2021 136th guilhem-roy 🇫🇷 326 291 10ms 3 Mar 2022 137th evanrittner 325 292 12ms 26 Feb 2021 137th randolchance 325 292 12ms 20 Jun 2025 139th jmerle 🇳🇱 323 294 10ms 11 Jul 2023 140th martinnorling 🇸🇪 321 296 9ms 22 Feb 2022 141st relet 320 297 14ms 9 Aug 2018 142nd mizuzimu 319 298 10ms 12 Apr 2020 143rd alangodfrey 318 299 16ms 31 Jan 2019 143rd ianpoe 318 299 12ms 20 Apr 2020 145th mbittner20 316 301 10ms 21 Jan 2024 146th zdzc 314 303 16ms 30 Mar 2018 147th kypi 313 304 10ms 20 Feb 2020 147th lhulinsky 313 304 9ms 22 Oct 2024 149th try-except-try-accept 🇹🇭 308 308 9ms 28 Jun 2022 150th osmith93 307 309 16ms 1 Aug 2021 150th Pyroan 307 309 10ms 22 Feb 2025 152nd logvp 305 311 16ms 31 Jan 2024 152nd cykim8811 305 311 15ms 10 Jul 2024 154th gXLg 🇩🇪 304 312 10ms 19 Sep 2023 154th andre-lameirinhas 🇵🇹 304 312 10ms 30 Nov 2023 156th inverseLorentz 🇦🇺 303 314 12ms 21 Jun 2022 157th decorator-factory 302 315 9ms 21 May 2019 157th knutae 🇳🇴 302 315 16ms 20 Jul 2019 157th TobyBoyne 🇬🇧 302 315 10ms 14 Apr 2022 160th bbakersmith 301 316 10ms 19 Jul 2021 First Prev 81–160 of 282 Next Last
