The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
12 Days of Christmas 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 641st Stockoh 🇫🇷 367 520 9ms 11 May 2021 641st Kasci 367 520 10ms 28 Dec 2021 641st azure-blondon 367 520 9ms 25 Dec 2023 641st joao-parreira 367 520 29ms 24 Apr 2024 641st kejcao 🇨🇦 367 520 16ms 10 May 2024 641st Florian-Mt 367 520 9ms 23 days ago 647th mothcolada 🇺🇸 367 521 9ms 11 Mar 2021 647th nikhil9302 367 521 9ms 21 Nov 2021 647th LeeCamp 367 521 10ms 11 Dec 2021 647th jhpaques 🇫🇷 367 521 10ms 28 Dec 2022 647th WillConker 367 521 10ms 14 Jul 2023 652nd HemangRajvanshy 366 522 9ms 1 Apr 2020 652nd nmgetahun 366 522 9ms 5 Dec 2022 652nd pde-bakk 🇳🇱 366 522 9ms 21 Oct 2023 652nd raflemakt 366 522 9ms 3 Jan 2024 652nd codingisgreatbutiamnot 366 522 12ms 29 Jul 2024 652nd Kowalskiexe 🇵🇱 366 522 9ms 19 Apr 2025 658th nickrodgers42 365 523 9ms 2 Oct 2020 658th piebot3000 365 523 9ms 13 Sep 2023 658th IdkWhatIsIdk 365 523 9ms 28 Oct 2024 658th OyuDays 365 523 9ms 17 Mar 2025 662nd gardarjuto 365 524 9ms 16 Nov 2020 662nd xy3 🇮🇪 365 524 9ms 4 Jan 2022 662nd xenufo 365 524 9ms 14 Jul 2022 662nd james-downey 365 524 9ms 14 Jul 2022 662nd Argon1999 365 524 9ms 21 Oct 2022 662nd OSYCh314 🇦🇺 365 524 10ms 2 Nov 2024 668th NicoAdams 364 525 9ms 21 Nov 2021 668th sleepyStick 364 525 10ms 5 Apr 2022 668th ce-warren 364 525 9ms 26 Aug 2023 668th qwjhvbxi 364 525 9ms 5 Feb 2024 668th TheAtrossian 364 525 10ms 5 Jan 2025 668th HagenFritz 364 525 9ms 19 Jun 2025 674th babulibaba 363 526 9ms 15 Aug 2019 674th ashwinvis 363 526 9ms 17 Apr 2020 674th hdformat 363 526 9ms 8 Jun 2020 674th mathwiz42 363 526 10ms 17 Aug 2020 674th confy 363 526 9ms 25 Oct 2020 674th dgambit 363 526 10ms 2 Apr 2021 674th goldstraw 363 526 9ms 30 Nov 2021 674th JohannaWarnqvist 363 526 9ms 13 Feb 2022 674th martinnorling 🇸🇪 363 526 9ms 28 Feb 2022 674th ezhereshchin 363 526 9ms 1 May 2022 674th fredoinsilico 363 526 9ms 7 Sep 2023 674th aviyanp 363 526 10ms 13 Oct 2025 674th ethanlchristensen 363 526 10ms 17 Oct 2025 674th ElieDeBrauwer 363 526 9ms 25 Oct 2025 688th asadullayev 362 527 10ms 8 Jan 2021 688th PYRiTEmonark 362 527 9ms 11 Mar 2021 688th BackslashWelsh 362 527 9ms 23 Jul 2021 688th TyKeeling 362 527 10ms 22 Jun 2022 688th SomeSomeOne99 362 527 9ms 26 Mar 2025 688th asarvazyan 362 527 9ms 22 Oct 2025 694th willzywiec 362 528 28ms 8 Aug 2018 694th ionutm82 362 528 9ms 9 Nov 2018 694th jhunterkohler 362 528 9ms 20 May 2021 694th elephantpanda 362 528 9ms 14 Oct 2022 694th sandorstormen 362 528 9ms 11 Mar 2023 694th fbe 362 528 9ms 11 Sep 2024 694th MasterGodzilla 362 528 16ms 26 Jun 2025 701st RatajVaver 361 529 9ms 13 May 2019 701st henryishuman 361 529 9ms 23 May 2020 701st phpboyscout 361 529 9ms 5 Jan 2021 701st HorseScary 361 529 10ms 16 Nov 2021 701st lokesh1809 361 529 10ms 3 Dec 2021 706th scottJsonar 360 530 9ms 29 Nov 2019 706th WillowBee7 360 530 9ms 16 Sep 2020 706th jjgry 360 530 9ms 5 Nov 2020 706th GulgDev 360 530 10ms 21 Mar 2023 706th joshua-el-samalouti 🇩🇪 360 530 9ms 26 May 2024 706th jameswmccarty 360 530 9ms 11 Jul 2024 706th SOONwasTaken 360 530 9ms 18 Mar 2025 706th brandongumby 360 530 11ms 8 Jun 2025 714th bwat2 360 531 10ms 27 Dec 2021 715th johnnythedoggie 359 532 9ms 31 Mar 2021 715th pecholsjones 359 532 9ms 8 Dec 2021 715th dzybine 359 532 10ms 7 Mar 2022 715th zlohner 359 532 9ms 6 Apr 2022 715th jsvizcaino 359 532 9ms 13 Dec 2022 715th buddyw 359 532 10ms 9 Mar 2023 First Prev 641–720 of 1,133 Next Last
