The Calendar hole will go live in approximately 8 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 240th reedwilemon 409 467 9ms 12 Jun 2020 240th georgehulme 409 467 11ms 26 Jan 2022 240th SniperSmiley 🇺🇸 409 467 9ms 5 Dec 2022 240th nstearns96 🇬🇧 409 467 9ms 13 Jan 2023 240th isorlab49 409 467 9ms 24 May 2023 240th LocNgu 409 467 9ms 13 Jul 2023 240th CorporalCrawdad 409 467 9ms 5 Sep 2024 240th andrewjc2000 409 467 9ms 25 Feb 2025 249th xorraxrax 408 468 9ms 31 Oct 2019 249th Crambor 408 468 10ms 9 Jan 2020 249th vort3 408 468 9ms 1 May 2020 249th NanduBC 408 468 9ms 14 Mar 2021 249th osmith93 408 468 10ms 31 Jul 2021 249th face0xff 408 468 9ms 28 Dec 2021 249th pascscha 408 468 10ms 9 May 2022 249th MaxElf999 408 468 9ms 29 Sep 2022 249th fredrik-bakke 🇳🇴 408 468 28ms 5 Oct 2022 249th za3k 408 468 9ms 12 Oct 2022 249th Troon 408 468 9ms 25 Oct 2022 249th mathb0y512 408 468 9ms 20 Jan 2023 249th eddvrs 408 468 9ms 22 Dec 2023 249th JorgiEagle 408 468 9ms 8 Feb 2024 249th EnTerr 408 468 9ms 8 Sep 2024 249th lhulinsky 408 468 9ms 31 Oct 2024 249th jtyliu 408 468 11ms 6 Aug 2025 266th sisyphus-ppcg 🇦🇺 407 469 9ms 11 Nov 2020 266th argusdusty 🇺🇸 407 469 9ms 25 Dec 2020 266th Thestralos 407 469 9ms 24 Feb 2023 266th quimey 407 469 9ms 23 Mar 2023 266th Entropite 407 469 9ms 20 Aug 2024 266th croc54 407 469 9ms 13 Dec 2024 266th Pyroan 407 469 9ms 22 Feb 2025 266th now4est 🇯🇵 407 469 10ms 24 Sep 2025 274th zdzc 406 470 9ms 3 Feb 2018 274th celynw 406 470 9ms 26 Dec 2018 274th petroselo 406 470 9ms 11 Apr 2022 274th PATTRIM 406 470 9ms 4 Jan 2023 274th mbittner20 406 470 9ms 8 Feb 2023 274th GeneralPoxter 406 470 10ms 7 Dec 2023 274th thoraage 406 470 10ms 21 Oct 2024 274th starfihs 406 470 9ms 28 Dec 2024 274th To5BG 406 470 9ms 16 Nov 2025 283rd PiterAnnema 406 471 9ms 30 Aug 2020 283rd wirewolf010 406 471 9ms 3 Jan 2022 283rd lukelarson 406 471 9ms 22 Apr 2025 283rd smaass 406 471 9ms 12 Jul 2025 283rd jacklee1792 406 471 9ms 6 Aug 2025 288th Gymhgy 405 472 10ms 23 Apr 2019 288th harrymwilkins 🇬🇧 405 472 10ms 19 Jul 2021 288th OpesMentis 405 472 9ms 29 Oct 2021 288th TimHuisman1703 405 472 9ms 7 Jan 2022 288th Hakiwen 405 472 11ms 21 Jan 2022 288th jm600 405 472 9ms 19 Apr 2022 288th twocatsinatrenchcoat 405 472 9ms 4 May 2022 288th PogLop 🇨🇿 405 472 13ms 15 Oct 2022 288th aksyristos 405 472 9ms 9 Jan 2023 288th davecame 405 472 9ms 25 Oct 2023 288th sciencejiho 405 472 10ms 24 Apr 2024 288th pickerj 405 472 9ms 22 Aug 2024 288th voidgloom 405 472 9ms 22 Oct 2024 288th ItsMeNoobieboy 405 472 9ms 1 Dec 2024 288th dpasionek 405 472 9ms 6 Dec 2024 288th TheZwierzLF 🇵🇱 405 472 12ms 3 days ago 304th guliyevemil1 🇦🇿 404 473 9ms 18 Apr 2020 304th hjcafaroUC 404 473 10ms 28 Jul 2020 304th Foxx-l 404 473 9ms 30 Mar 2023 304th tobyLovick 404 473 10ms 6 Dec 2023 304th chenmingxiang110 404 473 10ms 19 Feb 2024 304th fuzzylojik-golf 🇺🇸 404 473 9ms 13 Jun 2025 304th wuduculfre 404 473 9ms 27 Jul 2025 304th tomh1012 404 473 10ms 20 days ago 304th hippalectryon-0 404 473 9ms 17 days ago 313th wazawoo 403 474 9ms 21 Oct 2018 313th EManLava 403 474 9ms 8 May 2020 313th Ellipsibus 403 474 9ms 2 Aug 2022 313th mosho-p 403 474 10ms 13 Oct 2022 313th yoka255 403 474 10ms 25 Mar 2023 313th mattf1n 403 474 10ms 25 Oct 2023 313th LuisGoncalves05 🇵🇹 403 474 10ms 18 Jul 2025 313th AstroOrbis 403 474 10ms 24 Nov 2025 First Prev 241–320 of 1,127 Next 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