The Calendar hole will go live in approximately 6 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 241st TheAristos 409 467 9ms 25 Oct 2019 241st reedwilemon 409 467 9ms 12 Jun 2020 241st georgehulme 409 467 11ms 26 Jan 2022 241st SniperSmiley 🇺🇸 409 467 9ms 5 Dec 2022 241st nstearns96 🇬🇧 409 467 9ms 13 Jan 2023 241st isorlab49 409 467 9ms 24 May 2023 241st LocNgu 409 467 9ms 13 Jul 2023 241st CorporalCrawdad 409 467 9ms 5 Sep 2024 241st andrewjc2000 409 467 9ms 25 Feb 2025 250th xorraxrax 408 468 9ms 31 Oct 2019 250th Crambor 408 468 10ms 9 Jan 2020 250th vort3 408 468 9ms 1 May 2020 250th NanduBC 408 468 9ms 14 Mar 2021 250th osmith93 408 468 10ms 31 Jul 2021 250th face0xff 408 468 9ms 28 Dec 2021 250th pascscha 408 468 10ms 9 May 2022 250th MaxElf999 408 468 9ms 29 Sep 2022 250th fredrik-bakke 🇳🇴 408 468 28ms 5 Oct 2022 250th za3k 408 468 9ms 12 Oct 2022 250th Troon 408 468 9ms 25 Oct 2022 250th mathb0y512 408 468 9ms 20 Jan 2023 250th eddvrs 408 468 9ms 22 Dec 2023 250th JorgiEagle 408 468 9ms 8 Feb 2024 250th EnTerr 408 468 9ms 8 Sep 2024 250th lhulinsky 408 468 9ms 31 Oct 2024 250th jtyliu 408 468 11ms 6 Aug 2025 267th sisyphus-ppcg 🇦🇺 407 469 9ms 11 Nov 2020 267th argusdusty 🇺🇸 407 469 9ms 25 Dec 2020 267th Thestralos 407 469 9ms 24 Feb 2023 267th quimey 407 469 9ms 23 Mar 2023 267th Entropite 407 469 9ms 20 Aug 2024 267th croc54 407 469 9ms 13 Dec 2024 267th Pyroan 407 469 9ms 22 Feb 2025 267th now4est 🇯🇵 407 469 10ms 24 Sep 2025 275th zdzc 406 470 9ms 3 Feb 2018 275th celynw 406 470 9ms 26 Dec 2018 275th petroselo 406 470 9ms 11 Apr 2022 275th PATTRIM 406 470 9ms 4 Jan 2023 275th mbittner20 406 470 9ms 8 Feb 2023 275th GeneralPoxter 406 470 10ms 7 Dec 2023 275th thoraage 406 470 10ms 21 Oct 2024 275th starfihs 406 470 9ms 28 Dec 2024 275th To5BG 406 470 9ms 16 Nov 2025 284th PiterAnnema 406 471 9ms 30 Aug 2020 284th wirewolf010 406 471 9ms 3 Jan 2022 284th lukelarson 406 471 9ms 22 Apr 2025 284th smaass 406 471 9ms 12 Jul 2025 284th jacklee1792 406 471 9ms 6 Aug 2025 289th Gymhgy 405 472 10ms 23 Apr 2019 289th harrymwilkins 🇬🇧 405 472 10ms 19 Jul 2021 289th OpesMentis 405 472 9ms 29 Oct 2021 289th TimHuisman1703 405 472 9ms 7 Jan 2022 289th Hakiwen 405 472 11ms 21 Jan 2022 289th jm600 405 472 9ms 19 Apr 2022 289th twocatsinatrenchcoat 405 472 9ms 4 May 2022 289th PogLop 🇨🇿 405 472 13ms 15 Oct 2022 289th aksyristos 405 472 9ms 9 Jan 2023 289th davecame 405 472 9ms 25 Oct 2023 289th sciencejiho 405 472 10ms 24 Apr 2024 289th pickerj 405 472 9ms 22 Aug 2024 289th voidgloom 405 472 9ms 22 Oct 2024 289th ItsMeNoobieboy 405 472 9ms 1 Dec 2024 289th dpasionek 405 472 9ms 6 Dec 2024 289th TheZwierzLF 🇵🇱 405 472 10ms 5 days ago 305th guliyevemil1 🇦🇿 404 473 9ms 18 Apr 2020 305th hjcafaroUC 404 473 10ms 28 Jul 2020 305th Foxx-l 404 473 9ms 30 Mar 2023 305th tobyLovick 404 473 10ms 6 Dec 2023 305th chenmingxiang110 404 473 10ms 19 Feb 2024 305th fuzzylojik-golf 🇺🇸 404 473 9ms 13 Jun 2025 305th wuduculfre 404 473 9ms 27 Jul 2025 305th tomh1012 404 473 10ms 22 days ago 305th hippalectryon-0 404 473 9ms 19 days ago 314th wazawoo 403 474 9ms 21 Oct 2018 314th EManLava 403 474 9ms 8 May 2020 314th Ellipsibus 403 474 9ms 2 Aug 2022 314th mosho-p 403 474 10ms 13 Oct 2022 314th yoka255 403 474 10ms 25 Mar 2023 314th mattf1n 403 474 10ms 25 Oct 2023 314th LuisGoncalves05 🇵🇹 403 474 10ms 18 Jul 2025 First Prev 241–320 of 1,130 Next Last