The Calendar hole will go live in approximately 13 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 312th roguh 🇬🇹 866 479 9ms 24 Dec 2024 312th TheZwierzLF 🇵🇱 866 479 9ms 5 Jun 2025 312th denisfouchard 866 479 9ms 23 Aug 2025 312th hanneshdc 866 479 9ms 10 Sep 2025 325th FlorianCassayre 🇫🇷 865 480 9ms 9 Nov 2022 325th 6lr61 865 480 10ms 25 Dec 2022 325th wa1ker38552 865 480 9ms 20 May 2023 325th asterized 865 480 9ms 22 Jun 2024 329th scottwday 🇨🇦 863 481 10ms 20 Nov 2021 329th chayleaf 863 481 9ms 7 Jan 2022 329th Alfiecxn 🇬🇧 863 481 10ms 7 May 2022 329th dsh0 863 481 9ms 7 Jun 2022 329th calumacutt 863 481 10ms 22 Dec 2022 329th mdnestor 863 481 9ms 27 Dec 2022 329th toripppppy 863 481 9ms 21 Apr 2024 329th yokasuretsu 863 481 11ms 13 Jan 2025 329th TiagoCosta04 🇵🇹 863 481 9ms 1 Jun 2025 338th Froststorm 861 482 9ms 8 Oct 2020 338th jaredtrh 861 482 9ms 12 Sep 2021 338th GWStuart 861 482 9ms 26 Nov 2021 338th lostMia 861 482 9ms 11 Jun 2023 338th raspofabs 861 482 9ms 8 Jul 2023 338th Mathrew2012 861 482 10ms 16 Aug 2024 338th RedzGoose 🇦🇺 861 482 9ms 13 Oct 2024 338th amberzit 861 482 9ms 3 Jul 2025 338th robin-scragg 861 482 9ms 20 Sep 2025 338th luuumine 🇫🇷 861 482 9ms 9 Nov 2025 348th hymanimy 859 483 10ms 24 Aug 2021 348th jrm5399 🇰🇿 859 483 9ms 31 Jan 2022 348th S-Ruban 859 483 10ms 26 Feb 2023 348th leonw774 859 483 9ms 24 Oct 2023 348th thomas-saigre 859 483 9ms 24 Jan 2024 348th OCNeve 859 483 9ms 17 Jun 2024 348th madex 🇩🇪 859 483 10ms 19 Dec 2024 348th AidanWalter 859 483 9ms 31 Dec 2024 348th jamiloBBKing 859 483 9ms 14 Apr 2025 357th GoodClover 🇬🇧 857 484 10ms 11 Nov 2020 357th PatrickStephansen 🇿🇦 857 484 9ms 10 Dec 2021 357th Fanrco 857 484 9ms 31 Aug 2023 357th BREMAUCY 🇫🇷 857 484 9ms 6 May 2024 357th inverseLorentz 🇦🇺 857 484 9ms 21 May 2024 357th matsagad 857 484 9ms 12 Dec 2024 357th syyynth 857 484 9ms 20 Oct 2025 357th JOrE20 🇺🇸 857 484 10ms 1 Nov 2025 365th bkshrader 856 485 10ms 11 Jan 2019 365th Andrey135296 856 485 9ms 2 Jan 2022 365th Yewzir 🇧🇪 856 485 10ms 7 Oct 2023 365th ballaire 856 485 10ms 21 Jan 2024 369th abailey2020 🇺🇸 854 486 10ms 26 Dec 2020 369th berkott 854 486 10ms 27 Dec 2022 369th en4rab 854 486 9ms 6 May 2023 369th markusgraube 854 486 10ms 8 Mar 2024 369th CodeByAidan 🇺🇸 854 486 9ms 19 Jun 2024 369th gthayden23 854 486 9ms 2 Oct 2024 369th wh3n3v3r 🇨🇿 854 486 9ms 7 Nov 2024 369th jacekwladzinski 854 486 9ms 8 Oct 2025 369th deancureton 854 486 10ms 20 hours ago 378th 71c 852 487 11ms 8 Mar 2018 378th alangodfrey 852 487 10ms 6 Mar 2019 378th Wildst 852 487 10ms 14 Jun 2022 378th trist224 🇫🇷 852 487 10ms 5 Sep 2022 378th Ripick 852 487 10ms 30 Dec 2022 378th jmatko 852 487 9ms 17 Oct 2023 378th abcdhhhh 852 487 9ms 24 Aug 2024 385th timkaiser 850 488 10ms 18 Apr 2019 385th Nordle 850 488 9ms 28 Feb 2020 385th wrhm 850 488 9ms 12 Dec 2020 385th AkashTandon167 850 488 12ms 25 Jan 2021 385th Omega65536 🇩🇪 850 488 9ms 23 Jun 2021 385th Sturla22 850 488 10ms 4 Apr 2022 385th HumanoidCPU 850 488 10ms 26 Mar 2024 385th BrunoVisnadi 🇧🇷 850 488 9ms 3 Oct 2025 385th Code-Coder-coder 850 488 9ms 11 Oct 2025 394th jgermain48 849 489 10ms 8 Dec 2019 395th ly0va 847 490 9ms 7 Jan 2019 395th chrismilson 847 490 9ms 18 May 2020 395th Jacob385 847 490 9ms 13 Mar 2024 395th rucin93 🇵🇱 847 490 10ms 26 Jul 2024 395th hippopotam00sehead 🇨🇦 847 490 9ms 16 Sep 2024 395th jbjd 847 490 9ms 17 Sep 2024 First 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