The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
99 Bottles of Beer 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 481st sgtdck 851 233 9ms 6 Oct 2018 481st BBoehm 🇩🇪 851 233 8ms 23 Feb 2021 481st PumpedSardines 851 233 9ms 18 Sep 2024 481st XenThe 🇬🇧 851 233 8ms 31 Aug 2025 485th perlebach 🇨🇿 850 205 3ms 19 Aug 2021 486th stertooy 🇧🇪 849 241 9ms 13 Jun 2024 486th moustave 849 241 9ms 30 Oct 2024 486th DrakeSeteraO 849 241 9ms 12 Nov 2025 489th GolfingSuccess 🇬🇷 849 263 8ms 8 Jan 2025 489th MeWhenI 🇻🇦 849 263 8ms 8 Jan 2025 491st tomh1012 848 234 9ms 1 Oct 2020 491st KrausRaus 🇺🇸 848 234 9ms 12 Dec 2020 491st RedstoneTim 848 234 9ms 29 Jun 2021 491st veiko 848 234 9ms 18 Jun 2022 491st Lv0Sys 🇵🇱 848 234 9ms 7 Jun 2025 496th prplz 🇦🇺 847 224 249ms 22 Apr 2021 497th NewDefectus 🇮🇱 847 229 47ms 16 Feb 2021 498th Pimentero 🇷🇺 847 232 5ms 25 Dec 2023 499th sean-niemann 🇺🇸 847 319 263ms 20 Sep 2023 499th stefangimmillaro 847 319 276ms 13 Dec 2024 501st MeWhenI 🇻🇦 846 191 69ms 29 Jul 2022 502nd benson-z 846 242 10ms 3 Dec 2024 503rd urojony 🇵🇱 846 250 2ms 21 Nov 2024 504th GrayJoKing 🇦🇺 846 274 357ms 16 Jun 2022 505th sean-niemann 🇺🇸 845 293 3,911ms 12 Nov 2024 506th dee-gomma 844 235 9ms 30 Mar 2019 506th GeorgeStechman 🇬🇧 844 235 9ms 19 Jun 2022 506th two-bad 🇬🇧 844 235 9ms 23 Jun 2022 506th jbt 844 235 9ms 26 Dec 2023 506th xyangst 844 235 8ms 15 Oct 2024 511th neel11235813 844 238 456ms 15 Jan 2024 511th snoozingnewt 🇨🇦 844 238 581ms 18 Jun 2024 513th revlayle 🇺🇸 844 245 387ms 14 Jan 2022 513th strout 844 245 415ms 19 Aug 2022 513th tomh1012 844 245 396ms 14 days ago 516th fuchen 844 290 1,265ms 10 May 2020 517th saracen 844 320 263ms 17 Apr 2020 518th marcin7Cd 843 277 139ms 14 Mar 2021 519th Crambor 842 243 10ms 9 Jan 2020 519th knutae 🇳🇴 842 243 9ms 29 Nov 2021 521st GrayJoKing 🇦🇺 842 260 2ms 13 Sep 2022 522nd lynn 842 283 9ms 17 Nov 2021 523rd SirBogman 🇺🇸 841 231 34ms 9 Aug 2023 524th fgrosshans 🇫🇷 841 271 8ms 6 May 2023 525th weliveinhell 🇭🇹 841 321 268ms 6 Oct 2023 526th PowershellKnut 🇳🇴 840 226 266ms 27 Jun 2022 527th Gaspar-Cdv 840 236 8ms 11 Jun 2021 527th niklv 🇷🇺 840 236 9ms 1 Jan 2024 529th Yax42 🇫🇷 840 246 440ms 24 days ago 530th primo-ppcg 🇹🇭 840 824 6ms 8 Apr 2019 531st daedals 839 244 10ms 25 Apr 2019 531st dzhang314 839 244 10ms 11 Aug 2019 531st pique0822 839 244 10ms 1 Jul 2021 531st TimHuisman1703 839 244 10ms 7 Jan 2022 531st ZoeyKD 839 244 16ms 13 May 2023 531st Glinte 839 244 16ms 15 Dec 2023 531st l-donovan 839 244 10ms 18 Jan 2024 538th inventshah 838 239 2ms 23 Jan 2023 538th albanian-laundromat 838 239 2ms 9 Nov 2025 540th tamanugi 🇯🇵 838 279 78ms 2 Nov 2022 541st wouterraateland 837 237 8ms 8 Jul 2019 541st rope-hmg 837 237 9ms 19 Apr 2022 543rd albanian-laundromat 837 266 104ms 11 Nov 2025 544th Attero 🇸🇪 837 289 386ms 26 Apr 2020 545th voytxt 🇨🇿 837 311 3ms 15 Jul 2023 546th m-dango 836 218 119ms 17 Oct 2017 547th Kloppermand 🇩🇰 835 245 10ms 9 Aug 2021 547th amollberg 🇸🇪 835 245 10ms 5 Jan 2022 547th logvp 835 245 10ms 11 Jan 2024 547th blaztoma 🇱🇹 835 245 9ms 24 Aug 2025 547th Lv0Sys 🇵🇱 835 245 10ms 20 days ago 552nd MeWhenI 🇻🇦 834 274 8ms 25 Aug 2024 553rd MichalMarsalek 🇨🇿 834 278 117ms 18 Mar 2022 554th Liibe 834 290 452ms 25 Sep 2025 555th olivermrose 🇺🇸 833 233 34ms 16 Oct 2021 556th garytang8 833 238 9ms 15 Apr 2020 556th janlelis 833 238 9ms 11 Feb 2021 556th stefangabos 🇷🇴 833 238 9ms 16 Sep 2022 559th MeWhenI 🇻🇦 833 313 24ms 7 Jun 2023 560th phdphil 832 219 123ms 23 Apr 2018 First Prev 481–560 of 3,848 Next Last