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 477th aloobun 384 497 9ms 2 Dec 2024 482nd SimonPeatman 384 498 9ms 29 Dec 2018 482nd Arkaedan 384 498 10ms 27 Jul 2020 482nd cesarm4 384 498 9ms 30 Aug 2021 482nd n0es 384 498 10ms 6 Oct 2022 482nd saoudi-h 384 498 10ms 12 Jan 2023 482nd adamnielson42 🇺🇸 384 498 10ms 30 May 2023 482nd ArchFin 384 498 9ms 21 Nov 2024 482nd GeneralFabian 384 498 28ms 14 Dec 2024 482nd energee 384 498 9ms 19 Dec 2024 482nd Europe2048 384 498 11ms 17 Sep 2025 482nd muratovm 384 498 9ms 8 days ago 493rd orifu 383 499 9ms 22 Feb 2021 493rd Bombergames 383 499 10ms 21 Jan 2022 493rd deerfarce 383 499 9ms 23 Dec 2022 493rd bob-th 383 499 12ms 29 Dec 2022 493rd DonCharlesLambert 383 499 9ms 15 Feb 2024 493rd hiichbindermax 383 499 9ms 3 Sep 2024 493rd jasonxue1 383 499 10ms 26 Jul 2025 493rd yukii1004 383 499 10ms 25 Sep 2025 501st Psirving 382 500 9ms 20 Jul 2020 501st stephenuniverse 382 500 9ms 23 Aug 2021 501st Giridesh 382 500 10ms 3 Apr 2022 501st Bmrl7 382 500 10ms 19 Mar 2024 501st planeklm 382 500 9ms 17 Dec 2024 501st raymur 382 500 9ms 26 Jun 2025 501st oween12 382 500 10ms 6 Aug 2025 508th adoxography 381 501 10ms 30 Mar 2018 508th sambirnbaum1 381 501 11ms 7 Sep 2019 508th ArturLukianov 381 501 10ms 27 Dec 2020 508th suhasdara 381 501 10ms 11 Sep 2022 508th ceeb9 381 501 9ms 5 May 2023 508th DrPrettyman 381 501 9ms 31 May 2023 508th lucaswiman 381 501 9ms 13 Aug 2023 508th damoose717 381 501 9ms 23 May 2025 508th bknower 381 501 9ms 25 Jun 2025 517th djtuBIG-MaliceX 380 502 15ms 30 Jan 2018 517th The3gs 380 502 10ms 13 Oct 2020 517th 77Tigers 380 502 10ms 28 Feb 2021 517th b4dpxl 380 502 10ms 10 Nov 2021 517th BrenSchaap 380 502 10ms 11 Nov 2021 517th firegene 🇮🇪 380 502 9ms 16 Dec 2021 517th thiccaxe 380 502 11ms 2 Oct 2022 517th EyalLitvin 380 502 9ms 16 Nov 2022 517th mikehanus 380 502 9ms 21 Nov 2023 526th kypi 380 503 10ms 20 Feb 2020 526th bastienvoirin 🇫🇷 380 503 10ms 28 Nov 2020 526th bbakersmith 380 503 9ms 26 Jul 2021 526th HassanAliKadhem 🇧🇭 380 503 29ms 5 Jan 2022 526th Expurple 380 503 9ms 8 Jan 2022 526th johnellis1392 380 503 9ms 5 Jan 2024 526th ImpressedByRocks 380 503 9ms 13 Mar 2024 533rd ArturLange 379 504 9ms 31 Aug 2018 533rd NoliHyd 379 504 9ms 11 Oct 2018 533rd badboj40 379 504 9ms 18 Jan 2023 533rd unknown25001 379 504 9ms 18 Jul 2024 533rd PyryL 🇫🇮 379 504 9ms 12 Aug 2024 533rd Marsolo1 379 504 9ms 24 Sep 2024 539th Smoncko 378 505 10ms 1 Feb 2023 539th jrbud 378 505 9ms 30 Dec 2023 539th xiaoyiming123 378 505 9ms 11 Aug 2025 542nd mizuzimu 377 506 11ms 4 Feb 2020 542nd AlexanderFair 377 506 9ms 18 Jul 2023 542nd yuchuehw 377 506 10ms 4 Jan 2024 542nd cykim8811 377 506 9ms 11 Jul 2024 542nd 40fied4t 377 506 10ms 15 May 2025 542nd Rogacz 377 506 9ms 9 Jun 2025 542nd MyckollWinchester 377 506 10ms 7 days ago 549th JBcoding 377 507 16ms 7 Sep 2020 549th Thinthiner 377 507 17ms 7 Sep 2020 549th bsoyka 🇺🇸 377 507 9ms 30 Dec 2022 549th ozzypossie 377 507 9ms 26 May 2023 549th qwertzuioppel 377 507 9ms 4 Mar 2024 554th TrAyZeN 376 508 10ms 18 Aug 2019 554th befoster 376 508 9ms 10 Apr 2021 554th pranavcode 376 508 28ms 26 Apr 2021 554th Cloakless 🇬🇧 376 508 15ms 18 Oct 2021 554th tejapvk 376 508 10ms 18 Jun 2025 559th walterfeyman 375 509 10ms 30 Oct 2021 559th rollershutter 375 509 9ms 30 Nov 2021 First Prev 481–560 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