The Calendar hole will go live in approximately 3 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 800th Eilonlif 🇮🇱 349 547 10ms 25 Dec 2022 800th b20fuji 349 547 10ms 18 Oct 2023 800th Amy-Checcllo 349 547 10ms 22 Sep 2024 800th GeorgeStatho 349 547 10ms 5 Aug 2025 805th DylanScottCarroll 349 548 10ms 8 Nov 2021 805th RubiksImplosion 349 548 13ms 4 Dec 2022 805th felixcroc 349 548 9ms 1 Apr 2023 805th epic-programmer-guy 349 548 9ms 29 Dec 2023 805th MassimoParisi 349 548 16ms 24 Sep 2024 805th Shotokhan 349 548 9ms 15 Sep 2025 805th Evytag 🇫🇷 349 548 10ms 9 Oct 2025 812th afyber 348 549 10ms 26 Jun 2019 812th my1e5 348 549 9ms 29 Nov 2021 812th oakesy 348 549 9ms 19 May 2024 812th CyberTapir 348 549 10ms 30 Aug 2024 812th martindotexe 🇳🇴 348 549 16ms 15 Feb 2025 812th shawncrabtree 348 549 13ms 21 Jun 2025 812th Sharrrkkk 348 549 9ms 21 Jul 2025 812th dvckyduck 348 549 9ms 26 Oct 2025 820th Esterfox610 347 550 10ms 17 Aug 2022 820th llama1024 347 550 9ms 5 Dec 2022 820th lorienaquarius 347 550 10ms 31 Dec 2023 823rd eoinfennessy 347 551 9ms 21 Jul 2021 823rd micah-weitzman 347 551 10ms 27 Jul 2021 823rd mehekj 347 551 10ms 29 Jul 2021 823rd No-Jons 347 551 10ms 23 May 2022 827th Parapet128 346 552 10ms 17 Jan 2019 827th dillon-duncando 346 552 11ms 19 Dec 2021 827th nmougino 🇫🇷 346 552 16ms 31 May 2022 827th Vaibhav0460 346 552 9ms 16 Feb 2024 827th navier-1 346 552 9ms 15 Sep 2025 827th kasarino 346 552 9ms 30 Nov 2025 833rd aazuspan 345 553 10ms 24 Nov 2021 833rd leeyonjae 345 553 9ms 10 Dec 2023 833rd jjkochan2 345 553 9ms 17 Jan 2025 836th carsonsyberg 345 554 9ms 9 May 2022 837th Alexander-Francis 344 555 9ms 10 Jul 2019 837th itiievskyi 🇺🇦 344 555 9ms 10 Aug 2020 837th KasperKivimaeki 🇫🇮 344 555 10ms 20 Nov 2025 840th dddthedark 344 556 9ms 21 Jun 2019 840th ejerrard 344 556 9ms 27 Aug 2020 840th robertovers 344 556 12ms 29 Sep 2023 840th imnotAlexKnight 344 556 10ms 10 Jul 2025 840th rahulbyte-js 344 556 9ms 25 Nov 2025 845th amadeusdotpng 342 558 9ms 22 Apr 2023 845th iliao2345 342 558 9ms 8 Jul 2025 847th lmolteno 342 559 9ms 3 Mar 2021 847th jmath3912 342 559 9ms 26 Apr 2024 847th davidludwik2370 342 559 10ms 17 Sep 2025 850th estomagordo 🇳🇱 341 560 9ms 3 Aug 2019 850th gautambp 341 560 17ms 22 Jun 2025 852nd kalpanasuresh 340 561 9ms 26 Mar 2021 852nd luxdragon 340 561 9ms 11 Oct 2022 852nd falinos 340 561 9ms 1 Jan 2023 852nd andyxukq 340 561 9ms 4 Feb 2025 856th fl3ur1nestimable 339 563 9ms 28 Mar 2022 857th NuqieNoila 339 564 9ms 1 Feb 2019 857th Saaxxx 339 564 9ms 22 Aug 2023 859th MiranDaniel 🇨🇿 338 565 16ms 30 Aug 2023 859th pquline 338 565 9ms 5 Mar 2025 861st artur-py 337 566 9ms 16 Dec 2022 861st skarabb 337 566 9ms 26 Mar 2024 863rd CRHillman 336 568 9ms 14 Aug 2018 863rd Greguhh 336 568 10ms 22 Oct 2024 865th msrawson 336 569 9ms 13 Aug 2018 865th TJK-S 336 569 10ms 25 Oct 2025 865th mmarkakis 336 569 13ms 27 days ago 865th punoko 336 569 10ms 19 days ago 869th ei14 335 570 10ms 18 Jun 2021 869th amollberg 🇸🇪 335 570 9ms 3 Jan 2022 869th Eulentier161 335 570 17ms 30 Aug 2023 872nd te-chnical 335 571 10ms 5 days ago 873rd Watermelon876 334 572 10ms 27 Nov 2021 873rd markbyrne 334 572 9ms 25 Aug 2022 873rd joonaspu 334 572 10ms 3 Jun 2023 873rd alfonsoalves 334 572 10ms 27 Feb 2024 877th BenAns 333 573 9ms 17 Nov 2018 877th KevinLaux 333 573 10ms 4 Dec 2022 879th Dejgz 332 575 9ms 11 Sep 2023 879th 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