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 394th AidanWalter 395 483 9ms 31 Dec 2024 394th jamiloBBKing 395 483 9ms 14 Apr 2025 403rd GoodClover 🇬🇧 395 484 10ms 11 Nov 2020 403rd PatrickStephansen 🇿🇦 395 484 9ms 10 Dec 2021 403rd Fanrco 395 484 9ms 31 Aug 2023 403rd inverseLorentz 🇦🇺 395 484 9ms 21 May 2024 403rd matsagad 395 484 9ms 12 Dec 2024 403rd syyynth 395 484 9ms 20 Oct 2025 403rd JOrE20 🇺🇸 395 484 10ms 1 Nov 2025 410th bkshrader 394 485 10ms 11 Jan 2019 410th Andrey135296 394 485 9ms 2 Jan 2022 410th ballaire 394 485 10ms 21 Jan 2024 413th abailey2020 🇺🇸 393 486 10ms 26 Dec 2020 413th berkott 393 486 10ms 27 Dec 2022 413th en4rab 393 486 9ms 6 May 2023 413th markusgraube 393 486 10ms 8 Mar 2024 413th CodeByAidan 🇺🇸 393 486 9ms 19 Jun 2024 413th gthayden23 393 486 9ms 2 Oct 2024 413th jacekwladzinski 393 486 9ms 8 Oct 2025 413th deancureton 393 486 10ms 20 hours ago 421st 71c 392 487 11ms 8 Mar 2018 421st alangodfrey 392 487 10ms 6 Mar 2019 421st Wildst 392 487 10ms 14 Jun 2022 421st trist224 🇫🇷 392 487 10ms 5 Sep 2022 421st Ripick 392 487 10ms 30 Dec 2022 421st jmatko 392 487 9ms 17 Oct 2023 421st abcdhhhh 392 487 9ms 24 Aug 2024 428th timkaiser 391 488 10ms 18 Apr 2019 428th Nordle 391 488 9ms 28 Feb 2020 428th wrhm 391 488 9ms 12 Dec 2020 428th AkashTandon167 391 488 12ms 25 Jan 2021 428th Omega65536 🇩🇪 391 488 9ms 23 Jun 2021 428th Sturla22 391 488 10ms 4 Apr 2022 428th BrunoVisnadi 🇧🇷 391 488 9ms 3 Oct 2025 428th Code-Coder-coder 391 488 9ms 11 Oct 2025 436th jgermain48 391 489 10ms 8 Dec 2019 437th ly0va 390 490 9ms 7 Jan 2019 437th chrismilson 390 490 9ms 18 May 2020 437th hippopotam00sehead 🇨🇦 390 490 9ms 16 Sep 2024 437th jbjd 390 490 9ms 17 Sep 2024 437th lelbal 390 490 9ms 19 Sep 2024 437th DraigRygbi 390 490 10ms 19 Dec 2024 437th argentite 390 490 9ms 11 Sep 2025 444th mikelane 389 491 9ms 29 Mar 2020 444th Jaydosu 389 491 10ms 22 Oct 2021 444th vishwathg 389 491 10ms 19 Aug 2022 444th grieve 389 491 10ms 9 Jun 2023 444th davidtiemstra 389 491 10ms 11 Jul 2023 444th Itnug 389 491 9ms 19 Jul 2023 444th Glinte 389 491 10ms 29 Dec 2023 444th cthierfelder 🇲🇨 389 491 9ms 5 Sep 2025 452nd GreenyNeko 388 492 9ms 24 Jul 2020 452nd ydevor 🇮🇱 388 492 9ms 20 Nov 2020 452nd michael-alperovich 388 492 9ms 1 Feb 2021 452nd richard-oelze 🇩🇪 388 492 10ms 28 Nov 2021 452nd MichaelMBradley 🇨🇦 388 492 9ms 5 Apr 2022 452nd DragonaireM 388 492 9ms 4 Feb 2023 458th rothos 387 493 10ms 31 Dec 2024 458th M4rc0g1 387 493 10ms 16 Nov 2025 460th specbug 387 494 9ms 30 Nov 2022 460th zsimo-lab49 387 494 9ms 15 May 2023 462nd evanrittner 386 495 9ms 26 Feb 2021 462nd kaptsanovb 386 495 9ms 4 Apr 2022 462nd kenny14231 386 495 10ms 5 Aug 2022 462nd OrangeBacon 386 495 9ms 31 Jul 2024 462nd Unknownuserfrommars 386 495 9ms 7 Oct 2024 467th YoungjuneKwon 385 496 9ms 20 Nov 2020 467th asheeri 385 496 10ms 15 Aug 2021 467th ramsay 385 496 9ms 8 Aug 2022 467th jeaosh 385 496 9ms 22 Oct 2022 467th fenix-bear 385 496 9ms 3 Jul 2023 467th htareque 385 496 29ms 18 Oct 2023 467th khavik 385 496 11ms 11 May 2024 467th yashima 385 496 10ms 4 Nov 2024 467th bogosorter 385 496 10ms 9 Jul 2025 467th celiendonze 🇨🇭 385 496 10ms 12 hours ago 477th kaylacomer 384 497 10ms 24 Oct 2021 477th MCausc78 🇺🇦 384 497 9ms 5 Jan 2023 477th ZoeyKD 384 497 9ms 14 May 2023 477th xoxo-ily 384 497 10ms 12 Dec 2023 First 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