The Calendar hole will go live in approximately 12 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 879th JMMMMC 330 578 10ms 23 Oct 2024 882nd bakaq 330 579 9ms 4 Jan 2020 882nd danielweper 330 579 9ms 21 Oct 2021 884th Matistjati 328 582 10ms 17 Feb 2020 885th jpyCode 328 583 10ms 14 Jan 2019 886th NoneTheFewer 327 584 10ms 7 hours ago 887th selketdaly 325 587 10ms 21 Feb 2021 887th DePopadopalis 325 587 10ms 6 Apr 2022 887th julienlamoureux78 325 587 10ms 17 Aug 2022 890th dlevear 324 589 9ms 20 May 2021 890th PrinceSalatyell 324 589 9ms 22 Jun 2022 890th Matter1024 🇮🇳 324 589 9ms 24 Aug 2025 893rd maxliuql 324 590 9ms 11 Jul 2025 894th joel-e-m-mitchell 323 591 9ms 10 Jun 2018 894th Nektar24 323 591 10ms 2 Jun 2023 894th Nightmarius 323 591 15ms 22 Jan 2024 897th bnuh 323 592 10ms 3 Dec 2022 897th omero-san 323 592 9ms 15 Sep 2025 899th plainoldcheese 🇦🇶 322 594 10ms 16 Apr 2020 900th lewisdean98 321 595 29ms 4 Dec 2022 900th atrus159 321 595 9ms 24 Oct 2023 902nd ktnguyen2 320 597 11ms 4 Jan 2020 902nd halp1 320 597 9ms 7 Apr 2022 904th jjbvtk 319 598 9ms 31 Aug 2021 904th lethan3 319 598 9ms 1 Dec 2022 906th Modeba 319 599 10ms 5 Nov 2025 907th clodalala 318 600 10ms 1 Nov 2019 908th dylanjones92 315 606 9ms 19 Jan 2024 909th zuparnowa 315 607 10ms 28 Jan 2019 909th henrytranter 315 607 10ms 20 Sep 2019 911th Piccora 314 608 9ms 3 Oct 2022 911th Baxi-codes 314 608 9ms 4 Jan 2023 913th FJSFerreira 314 609 11ms 22 May 2021 914th besasam 313 610 12ms 31 Mar 2021 914th OddAlgorithm 313 610 10ms 4 Dec 2022 916th surbainczyk 313 611 11ms 22 Jul 2022 917th lakshmanaprasanth 311 615 9ms 10 Jun 2021 918th mhenion8293 🇺🇸 310 616 10ms 11 Jan 2022 918th kelseychristensen 310 616 10ms 3 Nov 2022 918th jrappeneker 310 616 10ms 24 Apr 2025 921st warrinerbros 309 618 10ms 3 Dec 2021 922nd valgardg 🇮🇸 308 620 16ms 17 Aug 2021 923rd delphonso 308 621 10ms 17 Dec 2021 923rd Knight333 308 621 10ms 26 Dec 2023 925th MadasMatt4 307 623 9ms 29 Jan 2020 925th anarcie 307 623 9ms 12 Dec 2023 927th kbiggers 306 624 10ms 8 Dec 2020 928th etriddle88 304 629 9ms 7 Mar 2024 929th jackdonofrio 303 630 10ms 10 Apr 2020 930th foskaos 302 632 9ms 30 Oct 2023 930th Matthewhine8 302 632 10ms 25 Aug 2025 932nd RobinStevenMartinez 302 633 9ms 8 Feb 2021 932nd Rex-xeR 302 633 10ms 4 Jan 2025 934th Eugen-str 300 636 10ms 24 Oct 2023 935th zt14427 299 639 10ms 4 Mar 2023 936th EdwardGriffin 296 645 10ms 4 Sep 2025 937th StHagel 295 647 10ms 7 May 2021 937th jahongOf1 295 647 9ms 28 Feb 2022 939th Upload-and-View 🇺🇦 294 649 10ms 23 Jul 2025 940th noramxiao 292 654 9ms 24 Sep 2025 941st Amheus 292 655 9ms 7 Oct 2023 942nd jbrry 291 656 10ms 26 May 2022 942nd jade-housecat 291 656 10ms 9 Oct 2022 944th Quinntyx 290 658 12ms 10 Dec 2021 945th Edgex42 289 660 9ms 26 May 2019 945th nharmon 289 660 11ms 20 Jun 2023 947th zwxzwxzwx21 289 661 10ms 22 Dec 2023 948th maxkhoward 287 666 9ms 29 Mar 2021 948th peterprescott 287 666 9ms 18 Nov 2021 948th cdreisbach 287 666 9ms 10 Aug 2024 948th Ralac07 🇦🇺 287 666 10ms 4 Sep 2024 952nd cao20 284 673 9ms 27 Jul 2021 953rd slurpcat 283 675 11ms 25 Dec 2022 953rd noanabeshima 283 675 9ms 8 Jul 2025 955th atimes3 281 679 10ms 6 Jul 2025 956th jbreak123berlingo 281 680 9ms 31 Oct 2019 956th ColinMcC76 281 680 9ms 16 Oct 2023 958th jb567 280 681 9ms 13 Apr 2025 959th larineoy 280 682 9ms 28 Jan 2025 960th jmorton89 280 683 9ms 10 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