The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
12 Days of Christmas in all languages in bytes. 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 Bytes Time Submitted 560th snoozingnewt 🇨🇦 893 517 264ms 23 Sep 2023 560th neel11235813 893 517 264ms 26 Mar 2024 563rd GrayJoKing 🇦🇺 892 404 130ms 8 Dec 2020 564th GolfingSuccess 🇬🇷 892 468 168ms 5 Jun 2022 565th israem 891 448 249ms 14 Apr 2024 566th Fishron 891 463 9ms 28 Dec 2021 566th TaserTheFox 🇺🇸 891 463 10ms 27 Apr 2023 566th jeff-at-tamer-dot-codes 🇺🇸 891 463 9ms 31 May 2023 566th GrayJoKing 🇦🇺 891 463 67ms 17 Oct 2023 566th JasonMcCallion 891 463 29ms 20 Dec 2023 566th CaedenHarper 🇨🇦 891 463 9ms 24 Jul 2024 566th jatloe 891 463 9ms 23 Oct 2024 566th snydej 891 463 9ms 29 Dec 2024 566th plcc0 891 463 13ms 28 Mar 2025 575th user189032 891 499 124ms 29 May 2019 576th lukechampine 891 518 267ms 16 Apr 2020 576th edsrzf 🇳🇿 891 518 262ms 4 Mar 2025 578th lifthrasiir 🇰🇷 890 432 420ms 2 Dec 2024 579th ovs-code 🇩🇪 890 475 520ms 9 Mar 2022 580th Attero 🇸🇪 890 476 368ms 21 Nov 2021 580th Gaddy 🇫🇷 890 476 366ms 3 May 2022 580th hemphen 890 476 373ms 28 Aug 2022 583rd yzhs 🇩🇪 890 500 123ms 24 Jul 2021 583rd janAkali 🇷🇺 890 500 121ms 7 Oct 2024 585th paulhey 889 449 254ms 27 Sep 2021 586th Ashikpaul 🇮🇳 889 458 9ms 26 Apr 2021 586th coreynash 889 458 9ms 26 Sep 2023 586th jbt 889 458 9ms 24 Dec 2023 586th olleicua 🇺🇸 889 458 9ms 10 Jan 2024 586th xyangst 889 458 10ms 23 Sep 2024 591st dzhang314 889 464 9ms 14 Aug 2019 591st DialFrost 🇸🇬 889 464 9ms 9 Feb 2023 591st eiburns 889 464 9ms 26 Oct 2023 591st kurkale6ka 889 464 9ms 3 Dec 2023 591st Vaekor 889 464 9ms 7 Feb 2024 591st l-donovan 889 464 9ms 27 Jun 2024 591st FortuiteMan 🇫🇷 889 464 9ms 17 Oct 2024 591st vhoulbreque 🇫🇷 889 464 10ms 18 days ago 599th luciaaibarblanco 🇪🇸 889 477 401ms 21 Nov 2021 600th ETHproductions 🇺🇸 888 468 389ms 21 Dec 2018 601st Andriamanitra 🇫🇮 888 475 4ms 13 Jun 2024 602nd MeWhenI 🇻🇦 888 476 495ms 4 Mar 2022 603rd aditsu 888 479 3,928ms 11 Aug 2025 603rd dokutan 888 479 4,036ms 29 Aug 2025 605th Shanethegamer 🇺🇸 888 480 3ms 22 Mar 2023 606th marcin7Cd 887 362 8ms 6 Feb 2021 607th zhiayang 887 459 8ms 29 Aug 2020 607th AnAwesomGuy 887 459 8ms 17 Sep 2025 607th voytxt 🇨🇿 887 459 8ms 18 days ago 610th stordev 887 465 10ms 26 Feb 2021 610th KatieLG 🇬🇧 887 465 9ms 2 Oct 2021 610th omkarjois 887 465 10ms 17 Oct 2021 610th rickypoon 887 465 9ms 22 Jul 2022 610th DrPiranoid 887 465 9ms 26 Sep 2022 610th joll05 🇸🇪 887 465 9ms 1 Nov 2022 610th SirBogman 🇺🇸 887 465 9ms 5 Jan 2023 610th ehulinsky 🇺🇸 887 465 9ms 7 May 2023 610th primo-ppcg 🇹🇭 887 465 76ms 16 Oct 2023 610th erikji 887 465 9ms 3 Feb 2025 610th CornerMercury 🇬🇧 887 465 10ms 26 Oct 2025 621st MWI-polygolf 887 503 235ms 6 Dec 2023 622nd lynn 886 412 64ms 16 Oct 2023 623rd AnAwesomGuy 886 480 3,098ms 13 hours ago 624th strout 886 502 121ms 15 Aug 2022 625th MostParsingVex 886 507 62ms 23 Jan 2025 626th makononov 886 521 167ms 28 Feb 2025 626th KasperKivimaeki 🇫🇮 886 521 165ms 7 Oct 2025 628th SephQ 885 440 37ms 31 Dec 2020 628th JRaspass 🇬🇧 885 440 54ms 18 Jan 2023 630th erdnaxeli 🇫🇷 885 455 1,003ms 17 Apr 2021 631st Attero 🇸🇪 885 459 4ms 25 Sep 2023 632nd KatieLG 🇬🇧 885 460 9ms 2 May 2021 632nd jordanmbell 885 460 8ms 7 Dec 2021 632nd polyrtm 885 460 8ms 17 Mar 2022 632nd rummik 885 460 8ms 18 Oct 2022 632nd trinityy-7 885 460 9ms 2 Oct 2023 632nd helbling 🇨🇭 885 460 9ms 24 Feb 2024 638th lrustand 885 466 9ms 3 Feb 2018 638th TobyBoyne 🇬🇧 885 466 9ms 1 Jun 2019 638th RDShah 885 466 9ms 2 Feb 2020 First Prev 561–640 of 3,957 Next Last
