The Calendar hole will go live in approximately 11 days. Why not try and solve it ahead of time?
12 Days of Christmas in Python in bytes. 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 Bytes Time Submitted 240th hjcafaroUC 877 473 10ms 28 Jul 2020 240th Foxx-l 877 473 9ms 30 Mar 2023 240th tobyLovick 877 473 10ms 6 Dec 2023 240th m42km 877 473 9ms 4 Feb 2024 240th chenmingxiang110 877 473 10ms 19 Feb 2024 240th abhishekg999 877 473 10ms 21 Sep 2024 240th fuzzylojik-golf 🇺🇸 877 473 9ms 13 Jun 2025 240th wuduculfre 877 473 9ms 27 Jul 2025 240th tomh1012 877 473 10ms 17 days ago 240th hippalectryon-0 877 473 9ms 14 days ago 251st wazawoo 876 474 9ms 21 Oct 2018 251st EManLava 876 474 9ms 8 May 2020 251st Ellipsibus 876 474 9ms 2 Aug 2022 251st mosho-p 876 474 10ms 13 Oct 2022 251st yoka255 876 474 10ms 25 Mar 2023 251st mattf1n 876 474 10ms 25 Oct 2023 251st elgan65536 876 474 9ms 15 Apr 2024 251st LuisGoncalves05 🇵🇹 876 474 10ms 18 Jul 2025 251st RaBa21 🇭🇺 876 474 9ms 21 Jul 2025 251st AstroOrbis 876 474 10ms 25 days ago 261st lucadonini96 874 475 9ms 17 Apr 2020 261st Hydrophobefireman 874 475 9ms 17 Jul 2020 261st dourvaris 874 475 16ms 9 Aug 2020 261st DeFilippis 874 475 9ms 9 Feb 2021 261st cubed-guy 874 475 9ms 17 Oct 2021 261st Bonjour27891 🇻🇳 874 475 9ms 13 Mar 2022 261st Trunksistor 🇫🇷 874 475 10ms 21 Apr 2022 261st AbelPelser 874 475 9ms 2 Jul 2022 261st DaCuteRaccoon 874 475 9ms 1 Oct 2022 261st brochmann 🇸🇪 874 475 10ms 18 Oct 2022 261st thehylian 874 475 9ms 27 Dec 2022 261st jumelet 🇳🇱 874 475 9ms 2 Jan 2023 261st tvcv901 874 475 9ms 26 Feb 2023 261st dev-Thae 874 475 10ms 6 Nov 2023 261st Techdude01 874 475 10ms 22 Dec 2023 261st rsgray 874 475 13ms 8 Jan 2024 261st yousefalizadeh 874 475 9ms 3 Oct 2024 261st CoolBvll 874 475 10ms 12 Jun 2025 261st Andrey2001 874 475 10ms 26 days ago 280th Sakaala 872 476 9ms 23 Apr 2019 280th petar-donchev 872 476 9ms 4 Dec 2020 280th jiaminglimjm 🇲🇾 872 476 9ms 15 Jan 2021 280th rowboat1 872 476 12ms 19 Jun 2022 280th prestonfu 872 476 10ms 6 Jul 2022 280th SocialFault 872 476 9ms 21 Aug 2022 280th 0-4849 872 476 9ms 30 Oct 2022 280th tsidwick 872 476 9ms 20 Dec 2023 280th gabe-gallegos 872 476 9ms 30 Apr 2024 280th liamLatour 872 476 9ms 3 Aug 2024 280th imelxr 🇮🇱 872 476 9ms 16 Aug 2024 280th jfallon1997 872 476 9ms 27 Sep 2024 280th jan-Simiman 872 476 9ms 15 Oct 2024 280th Artemis21 🇬🇧 872 476 9ms 29 Dec 2024 280th ocefra 872 476 9ms 31 Dec 2024 295th alaaeelsayed 870 477 9ms 23 Jul 2018 295th markus-rekdal 870 477 10ms 31 May 2019 295th dymowski 870 477 9ms 17 Jul 2019 295th streifenfrei 870 477 10ms 27 Jan 2021 295th ArnaudGazda 870 477 9ms 2 Sep 2022 295th lomaxo 870 477 10ms 16 Dec 2022 295th LogicalJoe 870 477 9ms 5 Jan 2023 295th Deedogg 870 477 10ms 24 Oct 2025 303rd boxjelly 868 478 9ms 24 Feb 2021 303rd pyrolitic 🇮🇪 868 478 9ms 5 Apr 2022 303rd guilhem-roy 🇫🇷 868 478 9ms 31 Aug 2022 303rd CarsonChr 🇺🇸 868 478 9ms 17 Sep 2022 303rd cros107 🇦🇺 868 478 9ms 26 Oct 2022 303rd mhsaul 868 478 9ms 11 Apr 2023 303rd bobbysq 868 478 9ms 2 May 2023 303rd msbranicky 868 478 10ms 3 Aug 2023 303rd Bulmenisaurus 868 478 9ms 24 Jul 2024 303rd Chara-0x 868 478 10ms 17 Sep 2025 313th deflatSOCO 866 479 9ms 21 Mar 2020 313th mattgrunwald 866 479 9ms 8 May 2020 313th michelebastione 🇮🇹 866 479 9ms 21 Jul 2020 313th ToonAlfrink 866 479 9ms 13 Nov 2020 313th geofft 866 479 9ms 12 Dec 2020 313th idoweinstein 866 479 9ms 3 Aug 2022 313th AbhilashaTandon 866 479 10ms 21 Sep 2023 313th 1231234md5 🇨🇳 866 479 12ms 14 Dec 2023 First Prev 241–320 of 1,125 Next Last