The Calendar hole will go live in approximately 30 hours. 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 640th TobyBoyne 🇬🇧 885 466 9ms 1 Jun 2019 640th RDShah 885 466 9ms 2 Feb 2020 640th dim-an 885 466 9ms 8 Dec 2020 640th OllieBoyne 🇬🇧 885 466 9ms 31 Dec 2020 640th ihalseide 🇺🇸 885 466 10ms 5 Jun 2021 640th Anonymousellama21 885 466 9ms 9 May 2022 640th jakobkordez 🇸🇮 885 466 9ms 19 Oct 2022 640th CatsAreFluffy 885 466 9ms 18 Dec 2022 640th PaulMWeiser 885 466 9ms 25 Mar 2023 640th MWI-polygolf 885 466 10ms 6 Dec 2023 640th logvp 885 466 9ms 12 Jan 2024 640th PotatoSaladOverlord 885 466 9ms 19 Jan 2024 640th smilesformiles3 885 466 9ms 11 Jun 2025 654th MeWhenI 🇻🇦 885 522 186ms 13 Nov 2022 654th vidanm 🇫🇷 885 522 214ms 11 Jun 2025 656th Shanethegamer 🇺🇸 884 459 2ms 22 Mar 2023 657th EthanSansom 884 488 81ms 17 Oct 2025 658th sean-niemann 🇺🇸 884 495 2ms 14 Jul 2025 659th johnnythedoggie 884 505 92ms 10 Oct 2020 660th inventshah 884 508 60ms 16 Sep 2023 661st albanian-laundromat 884 522 251ms 26 days ago 662nd UnderKoen 🇳🇱 884 535 2ms 3 Feb 2024 663rd kurkale6ka 883 398 4ms 31 Aug 2021 664th 386asm 🇺🇸 883 400 53ms 24 Apr 2023 665th JesperJ 883 452 216ms 9 Jun 2020 665th rvdnieuwendijk 🇳🇱 883 452 215ms 23 Oct 2020 665th IISResetMe 883 452 251ms 8 days ago 668th Shanethegamer 🇺🇸 883 456 807ms 28 Jul 2021 669th user189032 883 461 9ms 29 May 2019 669th ScottHamper 883 461 9ms 25 Jun 2021 669th nathanadams 🇳🇿 883 461 9ms 29 Aug 2021 669th LukeBridges 🇬🇧 883 461 9ms 20 Oct 2022 669th inventshah 883 461 8ms 23 Jan 2023 669th cloudyshoe 883 461 9ms 20 May 2025 675th TheAristos 883 467 9ms 25 Oct 2019 675th reedwilemon 883 467 9ms 12 Jun 2020 675th georgehulme 883 467 11ms 26 Jan 2022 675th SniperSmiley 🇺🇸 883 467 9ms 5 Dec 2022 675th nstearns96 🇬🇧 883 467 9ms 13 Jan 2023 675th isorlab49 883 467 9ms 24 May 2023 675th yzhs 🇩🇪 883 467 10ms 23 Jun 2023 675th LocNgu 883 467 9ms 13 Jul 2023 675th CorporalCrawdad 883 467 9ms 5 Sep 2024 675th andrewjc2000 883 467 9ms 25 Feb 2025 675th qpwoeirut 883 467 9ms 2 Oct 2025 675th davecame 883 467 10ms 31 mins ago 687th revlayle 🇺🇸 883 480 372ms 31 May 2022 688th GinjaNinja32 883 523 189ms 16 Apr 2020 689th detrumi 🇳🇱 882 471 256ms 25 Oct 2020 689th Lv0Sys 🇵🇱 882 471 594ms 30 Nov 2025 691st nwellnhof 🇩🇪 882 509 59ms 9 Jan 2022 692nd SubsTheTechnomancer 881 442 34ms 3 Mar 2023 692nd snoozingnewt 🇨🇦 881 442 34ms 23 Sep 2023 694th p01 881 462 9ms 13 Jan 2018 694th daifkyou 881 462 9ms 14 Dec 2022 694th weliveinhell 🇭🇹 881 462 9ms 25 Dec 2023 697th xorraxrax 881 468 9ms 31 Oct 2019 697th Crambor 881 468 10ms 9 Jan 2020 697th vort3 881 468 9ms 1 May 2020 697th urojony 🇵🇱 881 468 9ms 4 Jan 2021 697th NanduBC 881 468 9ms 14 Mar 2021 697th osmith93 881 468 10ms 31 Jul 2021 697th face0xff 881 468 9ms 28 Dec 2021 697th joshmoody24 881 468 9ms 4 Mar 2022 697th pascscha 881 468 10ms 9 May 2022 697th MaxElf999 881 468 9ms 29 Sep 2022 697th fredrik-bakke 🇳🇴 881 468 28ms 5 Oct 2022 697th za3k 881 468 9ms 12 Oct 2022 697th Troon 881 468 9ms 25 Oct 2022 697th commandblockguy 🇺🇸 881 468 9ms 21 Nov 2022 697th mathb0y512 881 468 9ms 20 Jan 2023 697th eddvrs 881 468 9ms 22 Dec 2023 697th JorgiEagle 881 468 9ms 8 Feb 2024 697th SB-945 881 468 9ms 17 Apr 2024 697th EnTerr 881 468 9ms 8 Sep 2024 697th lhulinsky 881 468 9ms 31 Oct 2024 697th dokutan 881 468 9ms 20 Apr 2025 697th jtyliu 881 468 11ms 6 Aug 2025 719th tomh1012 881 481 405ms 27 days ago 720th stefangimmillaro 881 489 97ms 28 Nov 2022 First Prev 641–720 of 3,988 Next Last
