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 799th oakesy 756 549 9ms 19 May 2024 799th CyberTapir 756 549 10ms 30 Aug 2024 799th martindotexe 🇳🇴 756 549 16ms 15 Feb 2025 799th shawncrabtree 756 549 13ms 21 Jun 2025 799th Sharrrkkk 756 549 9ms 21 Jul 2025 799th dvckyduck 756 549 9ms 26 Oct 2025 807th Esterfox610 755 550 10ms 17 Aug 2022 807th llama1024 755 550 9ms 5 Dec 2022 807th lorienaquarius 755 550 10ms 31 Dec 2023 810th eoinfennessy 753 551 9ms 21 Jul 2021 810th micah-weitzman 753 551 10ms 27 Jul 2021 810th mehekj 753 551 10ms 29 Jul 2021 810th No-Jons 753 551 10ms 23 May 2022 814th Parapet128 752 552 10ms 17 Jan 2019 814th dillon-duncando 752 552 11ms 19 Dec 2021 814th nmougino 🇫🇷 752 552 16ms 31 May 2022 814th Vaibhav0460 752 552 9ms 16 Feb 2024 814th navier-1 752 552 9ms 15 Sep 2025 814th kasarino 752 552 9ms 30 Nov 2025 820th aazuspan 750 553 10ms 24 Nov 2021 820th leeyonjae 750 553 9ms 10 Dec 2023 820th jjkochan2 750 553 9ms 17 Jan 2025 823rd carsonsyberg 749 554 9ms 9 May 2022 824th Alexander-Francis 748 555 9ms 10 Jul 2019 824th itiievskyi 🇺🇦 748 555 9ms 10 Aug 2020 824th KasperKivimaeki 🇫🇮 748 555 10ms 20 Nov 2025 827th dddthedark 746 556 9ms 21 Jun 2019 827th ejerrard 746 556 9ms 27 Aug 2020 827th robertovers 746 556 12ms 29 Sep 2023 827th imnotAlexKnight 746 556 10ms 10 Jul 2025 827th rahulbyte-js 746 556 9ms 25 Nov 2025 832nd amadeusdotpng 744 558 9ms 22 Apr 2023 832nd iliao2345 744 558 9ms 8 Jul 2025 834th lmolteno 742 559 9ms 3 Mar 2021 834th jmath3912 742 559 9ms 26 Apr 2024 834th davidludwik2370 742 559 10ms 17 Sep 2025 837th estomagordo 🇳🇱 741 560 9ms 3 Aug 2019 837th gautambp 741 560 17ms 22 Jun 2025 839th kalpanasuresh 740 561 9ms 26 Mar 2021 839th luxdragon 740 561 9ms 11 Oct 2022 839th falinos 740 561 9ms 1 Jan 2023 839th andyxukq 740 561 9ms 4 Feb 2025 843rd fl3ur1nestimable 737 563 9ms 28 Mar 2022 844th NuqieNoila 736 564 9ms 1 Feb 2019 844th bwenstar 736 564 9ms 9 Aug 2022 844th Saaxxx 736 564 9ms 22 Aug 2023 847th MiranDaniel 🇨🇿 735 565 16ms 30 Aug 2023 847th pquline 735 565 9ms 5 Mar 2025 849th artur-py 733 566 9ms 16 Dec 2022 849th skarabb 733 566 9ms 26 Mar 2024 851st CRHillman 731 568 9ms 14 Aug 2018 851st CheeseCake628 🇳🇴 731 568 28ms 19 Mar 2023 851st Greguhh 731 568 10ms 22 Oct 2024 854th msrawson 729 569 9ms 13 Aug 2018 854th TJK-S 729 569 10ms 25 Oct 2025 854th mmarkakis 729 569 13ms 27 days ago 854th punoko 729 569 10ms 19 days ago 858th ei14 728 570 10ms 18 Jun 2021 858th amollberg 🇸🇪 728 570 9ms 3 Jan 2022 858th Eulentier161 728 570 17ms 30 Aug 2023 861st te-chnical 727 571 10ms 5 days ago 862nd Watermelon876 726 572 10ms 27 Nov 2021 862nd markbyrne 726 572 9ms 25 Aug 2022 862nd joonaspu 726 572 10ms 3 Jun 2023 862nd alfonsoalves 726 572 10ms 27 Feb 2024 866th BenAns 724 573 9ms 17 Nov 2018 866th KevinLaux 724 573 10ms 4 Dec 2022 868th Dejgz 722 575 9ms 11 Sep 2023 868th gigaprofisi 🇺🇸 722 575 16ms 2 Mar 2025 870th sayloren 720 576 9ms 30 Jul 2025 871st anananlyjlyj 719 577 9ms 2 Jul 2018 871st Sami-ul 719 577 10ms 12 Oct 2021 871st godCoderXYZ 719 577 12ms 5 Dec 2024 874th omgardner 718 578 9ms 1 Mar 2019 874th samual-hain 718 578 9ms 4 Apr 2024 874th JMMMMC 718 578 10ms 23 Oct 2024 877th bakaq 717 579 9ms 4 Jan 2020 877th danielweper 717 579 9ms 21 Oct 2021 879th NoneTheFewer 714 581 10ms 30 hours ago 880th Matistjati 713 582 10ms 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