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 chars. 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 Chars Time Submitted 319th dourvaris 402 475 16ms 9 Aug 2020 319th DeFilippis 402 475 9ms 9 Feb 2021 319th cubed-guy 402 475 9ms 17 Oct 2021 319th Trunksistor 🇫🇷 402 475 10ms 21 Apr 2022 319th AbelPelser 402 475 9ms 2 Jul 2022 319th DaCuteRaccoon 402 475 9ms 1 Oct 2022 319th brochmann 🇸🇪 402 475 10ms 18 Oct 2022 319th thehylian 402 475 9ms 27 Dec 2022 319th jumelet 🇳🇱 402 475 9ms 2 Jan 2023 319th tvcv901 402 475 9ms 26 Feb 2023 319th dev-Thae 402 475 10ms 6 Nov 2023 319th Techdude01 402 475 10ms 22 Dec 2023 319th rsgray 402 475 13ms 8 Jan 2024 319th yousefalizadeh 402 475 9ms 3 Oct 2024 319th CoolBvll 402 475 10ms 12 Jun 2025 319th Andrey2001 402 475 10ms 24 days ago 337th Sakaala 401 476 9ms 23 Apr 2019 337th rowboat1 401 476 12ms 19 Jun 2022 337th prestonfu 401 476 10ms 6 Jul 2022 337th SocialFault 401 476 9ms 21 Aug 2022 337th 0-4849 401 476 9ms 30 Oct 2022 337th tsidwick 401 476 9ms 20 Dec 2023 337th gabe-gallegos 401 476 9ms 30 Apr 2024 337th imelxr 🇮🇱 401 476 9ms 16 Aug 2024 337th jfallon1997 401 476 9ms 27 Sep 2024 337th jan-Simiman 401 476 9ms 15 Oct 2024 337th ocefra 401 476 9ms 31 Dec 2024 348th alaaeelsayed 400 477 9ms 23 Jul 2018 348th markus-rekdal 400 477 10ms 31 May 2019 348th dymowski 400 477 9ms 17 Jul 2019 348th streifenfrei 400 477 10ms 27 Jan 2021 348th ArnaudGazda 400 477 9ms 2 Sep 2022 348th lomaxo 400 477 10ms 16 Dec 2022 348th LogicalJoe 400 477 9ms 5 Jan 2023 355th boxjelly 400 478 9ms 24 Feb 2021 355th pyrolitic 🇮🇪 400 478 9ms 5 Apr 2022 355th guilhem-roy 🇫🇷 400 478 9ms 31 Aug 2022 355th cros107 🇦🇺 400 478 9ms 26 Oct 2022 355th bobbysq 400 478 9ms 2 May 2023 355th msbranicky 400 478 10ms 3 Aug 2023 355th Bulmenisaurus 400 478 9ms 24 Jul 2024 355th Chara-0x 400 478 10ms 17 Sep 2025 363rd deflatSOCO 399 479 9ms 21 Mar 2020 363rd mattgrunwald 399 479 9ms 8 May 2020 363rd michelebastione 🇮🇹 399 479 9ms 21 Jul 2020 363rd ToonAlfrink 399 479 9ms 13 Nov 2020 363rd geofft 399 479 9ms 12 Dec 2020 363rd idoweinstein 399 479 9ms 3 Aug 2022 363rd AbhilashaTandon 399 479 10ms 21 Sep 2023 363rd 1231234md5 🇨🇳 399 479 12ms 14 Dec 2023 363rd CutSandstone 399 479 10ms 5 Jul 2024 363rd roguh 🇬🇹 399 479 9ms 24 Dec 2024 363rd TheZwierzLF 🇵🇱 399 479 9ms 5 Jun 2025 363rd denisfouchard 399 479 9ms 23 Aug 2025 363rd hanneshdc 399 479 9ms 10 Sep 2025 376th 6lr61 398 480 10ms 25 Dec 2022 376th wa1ker38552 398 480 9ms 20 May 2023 376th asterized 398 480 9ms 22 Jun 2024 379th scottwday 🇨🇦 397 481 10ms 20 Nov 2021 379th chayleaf 397 481 9ms 7 Jan 2022 379th Alfiecxn 🇬🇧 397 481 10ms 7 May 2022 379th dsh0 397 481 9ms 7 Jun 2022 379th calumacutt 397 481 10ms 22 Dec 2022 379th mdnestor 397 481 9ms 27 Dec 2022 379th toripppppy 397 481 9ms 21 Apr 2024 379th yokasuretsu 397 481 11ms 13 Jan 2025 379th TiagoCosta04 🇵🇹 397 481 9ms 1 Jun 2025 388th Froststorm 396 482 9ms 8 Oct 2020 388th GWStuart 396 482 9ms 26 Nov 2021 388th lostMia 396 482 9ms 11 Jun 2023 388th raspofabs 396 482 9ms 8 Jul 2023 388th Mathrew2012 396 482 10ms 16 Aug 2024 388th RedzGoose 🇦🇺 396 482 9ms 13 Oct 2024 394th hymanimy 395 483 10ms 24 Aug 2021 394th jrm5399 🇰🇿 395 483 9ms 31 Jan 2022 394th S-Ruban 395 483 10ms 26 Feb 2023 394th leonw774 395 483 9ms 24 Oct 2023 394th thomas-saigre 395 483 9ms 24 Jan 2024 394th OCNeve 395 483 9ms 17 Jun 2024 394th madex 🇩🇪 395 483 10ms 19 Dec 2024 First Prev 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