The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Morse Decoder 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 1st Steffan153 🇫🇮 1,000 91 16ms 31 Jul 2024 1st JayXon 🇺🇸 1,000 91 15ms 31 Jul 2024 1st pardouin 🇫🇷 1,000 91 15ms 8 Aug 2024 1st sean-niemann 🇺🇸 1,000 91 15ms 9 Feb 2025 5th btnlq 978 93 14ms 15 Jan 2023 5th Lydxn 🇨🇦 978 93 16ms 16 Jan 2023 7th sisyphus-ppcg 🇦🇺 968 94 15ms 15 Jan 2023 8th hallvabo 🇳🇴 948 96 15ms 15 Feb 2023 9th duckyluuk 🇳🇱 929 98 15ms 15 Aug 2024 10th DialFrost 🇸🇬 910 100 9ms 1 Aug 2024 11th GrayJoKing 🇦🇺 892 102 15ms 1 Nov 2023 12th kg583 🇺🇸 875 104 24ms 32 hours ago 13th primo-ppcg 🇹🇭 867 105 14ms 5 Oct 2020 14th FortuiteMan 🇫🇷 858 106 16ms 22 hours ago 15th lifthrasiir 🇰🇷 843 108 16ms 16 Nov 2024 16th CornerMercury 🇬🇧 827 110 18ms 3 Nov 2025 17th SirBogman 🇺🇸 805 113 17ms 23 Jan 2024 18th prplz 🇦🇺 798 114 10ms 25 Oct 2019 19th anter69 🇭🇺 791 115 14ms 8 Jan 2023 19th ndren 791 115 10ms 2 Nov 2025 21st Artemis21 🇬🇧 784 116 11ms 10 Jan 2025 22nd Irratix 🇳🇱 758 120 16ms 31 Jan 2023 23rd TFeld00 🇩🇰 740 123 16ms 14 Mar 2023 24th GolfingSuccess 🇬🇷 734 124 10ms 10 Oct 2020 24th j-Ewan 734 124 16ms 3 Mar 2022 26th dokutan 728 125 10ms 8 Sep 2025 27th RYNO8 722 126 16ms 13 Dec 2021 27th ZakkkkAttackkkk 🇵🇭 722 126 9ms 28 Aug 2023 29th FlorianCassayre 🇫🇷 717 127 16ms 21 Oct 2023 29th plcc0 717 127 9ms 4 Oct 2025 29th snoozingnewt 🇨🇦 717 127 12ms 25 days ago 32nd emgordon154 705 129 16ms 1 Aug 2024 33rd edre 684 133 11ms 30 Apr 2018 33rd 4atj 684 133 14ms 31 Jul 2025 35th Seek64 🇩🇪 669 136 14ms 13 Feb 2025 36th leon-w 659 138 10ms 12 Jul 2019 36th MeWhenI 🇻🇦 659 138 14ms 31 Jul 2024 36th ovs-code 🇩🇪 659 138 14ms 5 Aug 2024 36th jared-hughes 659 138 14ms 11 Aug 2024 40th wh3n3v3r 🇨🇿 650 140 10ms 18 Nov 2024 41st neel11235813 641 142 17ms 26 Jan 2023 42nd yzhs 🇩🇪 628 145 9ms 25 Oct 2020 43rd jakobkordez 🇸🇮 623 146 10ms 31 Oct 2022 43rd stefangimmillaro 623 146 14ms 6 Feb 2023 45th bricknellj 599 152 14ms 31 Jul 2024 45th CopperyMarrow15 599 152 15ms 24 Aug 2025 47th jacklynnepenick 595 153 11ms 15 Aug 2021 48th annaproxy 591 154 9ms 18 Jan 2023 49th blaztoma 🇱🇹 576 158 10ms 3 days ago 50th 5cw 🇺🇸 572 159 14ms 7 Aug 2025 51st fajost 569 160 14ms 8 Sep 2020 52nd ryyyn 🇺🇸 565 161 15ms 6 days ago 53rd NerdyMcNerd42 558 163 10ms 18 Feb 2023 54th CaedenHarper 🇨🇦 555 164 9ms 1 Aug 2025 55th adamnielson42 🇺🇸 552 165 10ms 26 May 2023 56th AlephSquirrel 548 166 14ms 13 Aug 2023 57th Bulmenisaurus 529 172 9ms 30 Jul 2024 58th inventshah 520 175 9ms 18 Jan 2023 59th marcin7Cd 514 177 15ms 14 Mar 2020 60th m-tkach 🇺🇦 503 181 10ms 31 Dec 2022 61st BREMAUCY 🇫🇷 497 183 9ms 24 Jul 2025 62nd davitf 489 186 9ms 30 Oct 2018 63rd albanian-laundromat 472 193 10ms 3 Apr 2025 64th dzhang314 460 198 9ms 14 Aug 2019 64th StefanHabel 🇨🇦 460 198 10ms 11 Dec 2022 64th KatieLG 🇬🇧 460 198 10ms 15 Sep 2025 67th cbondurant 457 199 15ms 10 May 2021 68th kistlerf 🇨🇭 455 200 9ms 19 May 2025 68th qpwoeirut 455 200 16ms 29 Aug 2025 70th ahmetdemirag 🇨🇾 453 201 10ms 18 Nov 2024 71st Natanaelel 🇸🇪 446 204 15ms 20 Jan 2023 72nd quimey 444 205 10ms 17 Jul 2023 73rd guilhem-roy 🇫🇷 440 207 10ms 25 Feb 2022 73rd RDShah 440 207 9ms 16 Jan 2023 73rd Pyroan 440 207 9ms 2 Mar 2025 76th janbehrens 🇩🇪 435 209 10ms 17 Jun 2023 77th za3k 433 210 9ms 13 Oct 2022 77th Babafaba 433 210 10ms 23 Nov 2025 79th nullie 431 211 9ms 9 Jun 2022 80th commandblockguy 🇺🇸 427 213 14ms 6 Apr 2023 1–80 of 255 Next Last
