The Calendar hole will go live in approximately 6 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 321st AdrienHache 🇫🇷 918 462 417ms 8 Jan 2025 322nd pardouin 🇫🇷 918 463 3,237ms 10 Jun 2025 323rd kaascevich 918 486 116ms 8 Jul 2025 324th SubsTheTechnomancer 918 503 185ms 3 Mar 2023 324th snoozingnewt 🇨🇦 918 503 182ms 23 Sep 2023 324th neel11235813 918 503 183ms 26 Mar 2024 324th sean-niemann 🇺🇸 918 503 201ms 6 Jun 2025 328th GolfingSuccess 🇬🇷 917 408 3ms 13 Jan 2022 328th Bubbler-4 917 408 2ms 19 Jan 2022 330th gnash117 917 450 9ms 29 Dec 2020 330th jonmsawyer 917 450 9ms 30 Dec 2020 330th scpchicken 🇵🇼 917 450 9ms 4 Feb 2023 330th snoozingnewt 🇨🇦 917 450 10ms 23 Nov 2025 334th dokutan 917 461 694ms 30 Aug 2025 335th RussellEmerine 917 485 119ms 1 Dec 2019 336th Helam24 916 487 103ms 20 Jan 2020 337th Alex-x90 🇺🇸 916 490 62ms 26 Jul 2023 338th stefangimmillaro 916 504 262ms 9 Sep 2023 339th primo-ppcg 🇹🇭 916 567 1,747ms 9 Jun 2024 340th canissimia 🇦🇶 916 1,785 2ms 28 Dec 2021 341st duckyluuk 🇳🇱 915 420 463ms 3 Jul 2025 342nd dokutan 915 434 2ms 22 days ago 343rd medric 915 445 9ms 4 Jul 2022 344th AnAwesomGuy 915 462 688ms 17 Sep 2025 345th MeWhenI 🇻🇦 915 473 1,266ms 8 Jun 2023 346th exodrifter 🇺🇸 915 486 111ms 25 Oct 2022 346th HolmDev 915 486 119ms 4 Sep 2025 348th dokutan 915 491 98ms 13 days ago 349th MeWhenI 🇻🇦 915 756 104ms 11 Apr 2024 350th jborean93 914 437 222ms 4 Jun 2020 350th cmkb3 914 437 222ms 28 Nov 2023 350th realslacker 914 437 232ms 25 Mar 2024 353rd PurkkaKoodari 🇫🇮 914 451 30ms 23 Nov 2024 353rd dokutan 914 451 802ms 15 days ago 355th sean-niemann 🇺🇸 914 472 81ms 10 Aug 2023 356th Yewzir 🇧🇪 914 486 2ms 8 Jun 2024 357th Skepfyr 914 505 160ms 4 Jan 2020 357th BlankSpruce 914 505 130ms 25 Nov 2024 359th rgthree 913 446 9ms 16 days ago 360th MeWhenI 🇻🇦 913 461 116ms 7 Jun 2023 361st GrayJoKing 🇦🇺 912 427 37ms 29 Mar 2021 361st sean-niemann 🇺🇸 912 427 46ms 3 Jan 2024 363rd RichUncleCody 912 438 236ms 4 Jun 2020 363rd sultan 912 438 240ms 5 Jun 2022 365th DynamiteBear 912 452 9ms 24 Nov 2022 365th minhtrancccp 912 452 9ms 2 Oct 2023 365th blaztoma 🇱🇹 912 452 10ms 22 Sep 2025 365th ahmetdemirag 🇨🇾 912 452 9ms 3 Oct 2025 369th MeWhenI 🇻🇦 912 465 364ms 19 Jun 2025 370th GolfingSuccess 🇬🇷 911 359 42ms 11 Mar 2025 371st Steffan153 🇫🇮 911 422 412ms 2 Sep 2024 371st ovs-code 🇩🇪 911 422 524ms 22 Sep 2024 373rd Natanaelel 🇸🇪 911 442 1,094ms 28 Jul 2021 374th ofhouse 911 447 8ms 28 Apr 2020 374th thisishowmymindworks 🇳🇴 911 447 9ms 20 Oct 2020 374th neihousaigaai 911 447 8ms 25 Dec 2021 374th CallanMcNulty 911 447 9ms 19 Mar 2022 374th niklv 🇷🇺 911 447 9ms 28 Dec 2023 379th CaedenHarper 🇨🇦 911 464 716ms 6 Sep 2025 380th GolfingSuccess 🇬🇷 910 370 10ms 11 Mar 2025 381st Natanaelel 🇸🇪 910 401 37ms 26 Jul 2022 382nd gilufin 910 428 35ms 31 May 2021 383rd okhoel 🇳🇴 910 439 227ms 21 Sep 2022 384th MeWhenI 🇻🇦 910 444 138ms 3 Aug 2024 385th kg583 🇺🇸 910 453 10ms 17 Nov 2022 385th Kacarott 🇦🇺 910 453 69ms 24 Nov 2023 385th albanian-laundromat 910 453 10ms 11 Nov 2025 388th stefangimmillaro 910 467 3,357ms 29 Oct 2024 389th DialFrost 🇸🇬 910 488 1ms 8 Nov 2023 390th Liibe 910 502 448ms 25 Sep 2025 390th stefangimmillaro 910 502 444ms 6 Oct 2025 392nd o0lit3 🇺🇸 909 408 14ms 30 Jul 2021 393rd sean-niemann 🇺🇸 909 423 437ms 11 Nov 2025 394th JRaspass 🇬🇧 909 443 935ms 18 Jan 2023 395th lacroixjonathan87 909 447 4ms 4 Aug 2020 396th janbehrens 🇩🇪 909 448 9ms 17 Jun 2023 397th sean-niemann 🇺🇸 909 463 109ms 14 Nov 2023 398th lynn 909 522 27ms 11 Jul 2023 399th dpethes 909 528 57ms 10 Jan 2024 400th textninja 908 429 35ms 26 Sep 2020 First Prev 321–400 of 3,976 Next Last
