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 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 314th 1231234md5 🇨🇳 866 479 12ms 14 Dec 2023 314th CutSandstone 866 479 10ms 5 Jul 2024 314th roguh 🇬🇹 866 479 9ms 24 Dec 2024 314th denisfouchard 866 479 9ms 23 Aug 2025 314th hanneshdc 866 479 9ms 10 Sep 2025 326th FlorianCassayre 🇫🇷 865 480 9ms 9 Nov 2022 326th 6lr61 865 480 10ms 25 Dec 2022 326th wa1ker38552 865 480 9ms 20 May 2023 326th asterized 865 480 9ms 22 Jun 2024 330th scottwday 🇨🇦 863 481 10ms 20 Nov 2021 330th chayleaf 863 481 9ms 7 Jan 2022 330th Alfiecxn 🇬🇧 863 481 10ms 7 May 2022 330th dsh0 863 481 9ms 7 Jun 2022 330th calumacutt 863 481 10ms 22 Dec 2022 330th mdnestor 863 481 9ms 27 Dec 2022 330th toripppppy 863 481 9ms 21 Apr 2024 330th yokasuretsu 863 481 11ms 13 Jan 2025 330th TiagoCosta04 🇵🇹 863 481 9ms 1 Jun 2025 339th Froststorm 861 482 9ms 8 Oct 2020 339th jaredtrh 861 482 9ms 12 Sep 2021 339th GWStuart 861 482 9ms 26 Nov 2021 339th lostMia 861 482 9ms 11 Jun 2023 339th raspofabs 861 482 9ms 8 Jul 2023 339th Mathrew2012 861 482 10ms 16 Aug 2024 339th RedzGoose 🇦🇺 861 482 9ms 13 Oct 2024 339th amberzit 861 482 9ms 3 Jul 2025 339th robin-scragg 861 482 9ms 20 Sep 2025 339th luuumine 🇫🇷 861 482 9ms 9 Nov 2025 349th hymanimy 859 483 10ms 24 Aug 2021 349th jrm5399 🇰🇿 859 483 9ms 31 Jan 2022 349th S-Ruban 859 483 10ms 26 Feb 2023 349th leonw774 859 483 9ms 24 Oct 2023 349th thomas-saigre 859 483 9ms 24 Jan 2024 349th OCNeve 859 483 9ms 17 Jun 2024 349th madex 🇩🇪 859 483 10ms 19 Dec 2024 349th AidanWalter 859 483 9ms 31 Dec 2024 349th jamiloBBKing 859 483 9ms 14 Apr 2025 349th Trildcookie 859 483 10ms 5 days ago 359th GoodClover 🇬🇧 857 484 10ms 11 Nov 2020 359th PatrickStephansen 🇿🇦 857 484 9ms 10 Dec 2021 359th Fanrco 857 484 9ms 31 Aug 2023 359th BREMAUCY 🇫🇷 857 484 9ms 6 May 2024 359th inverseLorentz 🇦🇺 857 484 9ms 21 May 2024 359th matsagad 857 484 9ms 12 Dec 2024 359th syyynth 857 484 9ms 20 Oct 2025 359th JOrE20 🇺🇸 857 484 10ms 1 Nov 2025 367th bkshrader 856 485 10ms 11 Jan 2019 367th Andrey135296 856 485 9ms 2 Jan 2022 367th Yewzir 🇧🇪 856 485 10ms 7 Oct 2023 367th ballaire 856 485 10ms 21 Jan 2024 371st abailey2020 🇺🇸 854 486 10ms 26 Dec 2020 371st berkott 854 486 10ms 27 Dec 2022 371st en4rab 854 486 9ms 6 May 2023 371st markusgraube 854 486 10ms 8 Mar 2024 371st CodeByAidan 🇺🇸 854 486 9ms 19 Jun 2024 371st gthayden23 854 486 9ms 2 Oct 2024 371st wh3n3v3r 🇨🇿 854 486 9ms 7 Nov 2024 371st jacekwladzinski 854 486 9ms 8 Oct 2025 371st deancureton 854 486 10ms 10 days ago 380th 71c 852 487 11ms 8 Mar 2018 380th alangodfrey 852 487 10ms 6 Mar 2019 380th Wildst 852 487 10ms 14 Jun 2022 380th trist224 🇫🇷 852 487 10ms 5 Sep 2022 380th Ripick 852 487 10ms 30 Dec 2022 380th jmatko 852 487 9ms 17 Oct 2023 380th abcdhhhh 852 487 9ms 24 Aug 2024 387th timkaiser 850 488 10ms 18 Apr 2019 387th Nordle 850 488 9ms 28 Feb 2020 387th wrhm 850 488 9ms 12 Dec 2020 387th AkashTandon167 850 488 12ms 25 Jan 2021 387th Omega65536 🇩🇪 850 488 9ms 23 Jun 2021 387th Sturla22 850 488 10ms 4 Apr 2022 387th HumanoidCPU 850 488 10ms 26 Mar 2024 387th BrunoVisnadi 🇧🇷 850 488 9ms 3 Oct 2025 387th Code-Coder-coder 850 488 9ms 11 Oct 2025 396th jgermain48 849 489 10ms 8 Dec 2019 397th ly0va 847 490 9ms 7 Jan 2019 397th chrismilson 847 490 9ms 18 May 2020 397th Jacob385 847 490 9ms 13 Mar 2024 397th rucin93 🇵🇱 847 490 10ms 26 Jul 2024 First Prev 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