The Calendar hole will go live in approximately 40 hours. 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 800th my1e5 756 549 9ms 29 Nov 2021 800th oakesy 756 549 9ms 19 May 2024 800th CyberTapir 756 549 10ms 30 Aug 2024 800th martindotexe 🇳🇴 756 549 16ms 15 Feb 2025 800th shawncrabtree 756 549 13ms 21 Jun 2025 800th Sharrrkkk 756 549 9ms 21 Jul 2025 800th dvckyduck 756 549 9ms 26 Oct 2025 808th Esterfox610 755 550 10ms 17 Aug 2022 808th llama1024 755 550 9ms 5 Dec 2022 808th lorienaquarius 755 550 10ms 31 Dec 2023 811th eoinfennessy 753 551 9ms 21 Jul 2021 811th micah-weitzman 753 551 10ms 27 Jul 2021 811th mehekj 753 551 10ms 29 Jul 2021 811th No-Jons 753 551 10ms 23 May 2022 815th Parapet128 752 552 10ms 17 Jan 2019 815th dillon-duncando 752 552 11ms 19 Dec 2021 815th nmougino 🇫🇷 752 552 16ms 31 May 2022 815th Vaibhav0460 752 552 9ms 16 Feb 2024 815th navier-1 752 552 9ms 15 Sep 2025 815th kasarino 752 552 9ms 30 Nov 2025 821st aazuspan 750 553 10ms 24 Nov 2021 821st leeyonjae 750 553 9ms 10 Dec 2023 821st jjkochan2 750 553 9ms 17 Jan 2025 824th carsonsyberg 749 554 9ms 9 May 2022 825th Alexander-Francis 748 555 9ms 10 Jul 2019 825th itiievskyi 🇺🇦 748 555 9ms 10 Aug 2020 825th KasperKivimaeki 🇫🇮 748 555 10ms 20 Nov 2025 828th dddthedark 746 556 9ms 21 Jun 2019 828th ejerrard 746 556 9ms 27 Aug 2020 828th robertovers 746 556 12ms 29 Sep 2023 828th imnotAlexKnight 746 556 10ms 10 Jul 2025 828th rahulbyte-js 746 556 9ms 25 Nov 2025 833rd amadeusdotpng 744 558 9ms 22 Apr 2023 833rd iliao2345 744 558 9ms 8 Jul 2025 835th lmolteno 742 559 9ms 3 Mar 2021 835th jmath3912 742 559 9ms 26 Apr 2024 835th davidludwik2370 742 559 10ms 17 Sep 2025 838th estomagordo 🇳🇱 741 560 9ms 3 Aug 2019 838th gautambp 741 560 17ms 22 Jun 2025 840th kalpanasuresh 740 561 9ms 26 Mar 2021 840th luxdragon 740 561 9ms 11 Oct 2022 840th falinos 740 561 9ms 1 Jan 2023 840th andyxukq 740 561 9ms 4 Feb 2025 844th fl3ur1nestimable 737 563 9ms 28 Mar 2022 845th NuqieNoila 736 564 9ms 1 Feb 2019 845th bwenstar 736 564 9ms 9 Aug 2022 845th Saaxxx 736 564 9ms 22 Aug 2023 848th MiranDaniel 🇨🇿 735 565 16ms 30 Aug 2023 848th pquline 735 565 9ms 5 Mar 2025 850th artur-py 733 566 9ms 16 Dec 2022 850th skarabb 733 566 9ms 26 Mar 2024 852nd CRHillman 731 568 9ms 14 Aug 2018 852nd CheeseCake628 🇳🇴 731 568 28ms 19 Mar 2023 852nd Greguhh 731 568 10ms 22 Oct 2024 855th msrawson 729 569 9ms 13 Aug 2018 855th TJK-S 729 569 10ms 25 Oct 2025 855th mmarkakis 729 569 13ms 1 Dec 2025 855th punoko 729 569 10ms 20 days ago 859th ei14 728 570 10ms 18 Jun 2021 859th amollberg 🇸🇪 728 570 9ms 3 Jan 2022 859th Eulentier161 728 570 17ms 30 Aug 2023 862nd te-chnical 727 571 10ms 7 days ago 863rd Watermelon876 726 572 10ms 27 Nov 2021 863rd markbyrne 726 572 9ms 25 Aug 2022 863rd joonaspu 726 572 10ms 3 Jun 2023 863rd alfonsoalves 726 572 10ms 27 Feb 2024 867th BenAns 724 573 9ms 17 Nov 2018 867th KevinLaux 724 573 10ms 4 Dec 2022 869th Dejgz 722 575 9ms 11 Sep 2023 869th gigaprofisi 🇺🇸 722 575 16ms 2 Mar 2025 871st sayloren 720 576 9ms 30 Jul 2025 872nd anananlyjlyj 719 577 9ms 2 Jul 2018 872nd Sami-ul 719 577 10ms 12 Oct 2021 872nd godCoderXYZ 719 577 12ms 5 Dec 2024 875th omgardner 718 578 9ms 1 Mar 2019 875th samual-hain 718 578 9ms 4 Apr 2024 875th JMMMMC 718 578 10ms 23 Oct 2024 878th bakaq 717 579 9ms 4 Jan 2020 878th danielweper 717 579 9ms 21 Oct 2021 880th NoneTheFewer 714 581 10ms 2 days 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