The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Foo Fizz Buzz Bar in all languages 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 481st SirBogman 🇺🇸 891 101 43ms 3 Jun 2025 482nd tomtheisen 🇺🇸 891 103 399ms 27 Jan 2023 482nd btnlq 891 103 398ms 2 Mar 2023 482nd meinsiedler 891 103 354ms 7 Apr 2023 482nd JayXon 🇺🇸 891 103 399ms 19 Jun 2023 482nd nwellnhof 🇩🇪 891 103 363ms 14 Jul 2023 487th btnlq 891 128 3ms 15 Jul 2023 487th GrayJoKing 🇦🇺 891 128 3ms 25 Jul 2023 489th jared-hughes 891 141 18ms 20 Dec 2024 490th MeWhenI 🇻🇦 890 69 71ms 16 Aug 2022 491st emgordon154 890 93 20ms 29 Jul 2025 492nd m-tkach 🇺🇦 890 164 80ms 25 Apr 2022 493rd emgordon154 888 113 123ms 18 days ago 494th SirBogman 🇺🇸 888 121 40ms 19 Jun 2022 495th Steffan153 🇫🇮 888 122 23ms 23 Aug 2024 496th inventshah 888 134 473ms 26 Jan 2023 497th Jacob385 887 70 339ms 4 Apr 2024 498th canissimia 🇦🇶 886 320 32ms 22 Nov 2023 499th sisyphus-ppcg 🇦🇺 885 114 2ms 12 Mar 2022 499th NickTheEASDude 🇺🇸 885 114 2ms 9 May 2024 501st janbehrens 🇩🇪 884 87 10ms 23 Nov 2021 501st igmcdowell 884 87 9ms 23 Nov 2021 501st ScottHamper 884 87 9ms 17 Dec 2021 501st Jazcash 884 87 10ms 22 Mar 2022 501st LukeBridges 🇬🇧 884 87 9ms 24 Oct 2022 501st Ephellon 884 87 9ms 2 Dec 2022 501st PatrickStephansen 🇿🇦 884 87 12ms 14 Dec 2022 501st DialFrost 🇸🇬 884 87 9ms 27 Jan 2023 501st Mazn3k 884 87 9ms 14 Feb 2023 501st a1exeysv 🇺🇦 884 87 9ms 15 Mar 2023 501st unfinishedprogram 884 87 9ms 30 Jun 2023 501st dylanarmstrong 884 87 9ms 14 Dec 2023 501st SadiinsoSnowfall 🇫🇷 884 87 10ms 16 Feb 2024 501st HumanoidCPU 884 87 10ms 14 Apr 2024 501st pardouin 🇫🇷 884 87 9ms 17 Aug 2024 501st duckyluuk 🇳🇱 884 87 10ms 3 Oct 2024 501st dokutan 884 87 10ms 3 Oct 2024 501st XenThe 🇬🇧 884 87 9ms 1 Jul 2025 501st helbling 🇨🇭 884 87 10ms 13 Aug 2025 520th inventshah 884 107 3ms 12 Sep 2022 521st SirBogman 🇺🇸 884 129 4ms 16 Jul 2023 522nd lifthrasiir 🇰🇷 884 142 8ms 24 Nov 2024 523rd retrohun 883 72 285ms 6 Oct 2024 524th emgordon154 883 109 3ms 30 Dec 2021 524th m-tkach 🇺🇦 883 109 3ms 17 Jan 2022 524th inventshah 883 109 3ms 20 May 2023 527th Steffan153 🇫🇮 881 90 8ms 7 Feb 2023 528th Yewzir 🇧🇪 880 87 2ms 18 Jan 2024 528th Steffan153 🇫🇮 880 87 3ms 27 Jan 2024 530th sisyphus-ppcg 🇦🇺 880 147 4ms 15 Jan 2025 531st pythonNoobOz 879 74 11ms 20 Apr 2023 532nd ovs-code 🇩🇪 878 143 9ms 7 Jul 2024 533rd frankgraziano 878 245 17ms 20 Aug 2025 534th primo-ppcg 🇹🇭 877 46 75ms 9 Dec 2022 535th anter69 🇭🇺 877 70 36ms 2 Apr 2024 535th tatzyr 🇯🇵 877 70 47ms 13 Nov 2024 537th btnlq 877 115 2ms 25 Dec 2022 538th Steffan153 🇫🇮 877 130 4ms 19 Jul 2023 539th emgordon154 877 141 419ms 25 Sep 2025 540th JayXon 🇺🇸 876 108 136ms 28 Nov 2021 540th Shanethegamer 🇺🇸 876 108 4ms 12 Sep 2022 540th exodrifter 🇺🇸 876 108 151ms 25 Oct 2022 540th ovs-code 🇩🇪 876 108 136ms 11 May 2023 540th tobeannouncd 876 108 143ms 1 Jan 2024 540th albanian-laundromat 876 108 3ms 27 Aug 2025 546th Shanethegamer 🇺🇸 876 110 926ms 15 Oct 2022 547th inventshah 876 112 3,880ms 10 Nov 2024 548th Steffan153 🇫🇮 875 106 1,252ms 3 Jan 2023 549th prplz 🇦🇺 875 110 2ms 18 Apr 2022 550th alemelis 874 78 435ms 20 Sep 2024 551st MeWhenI 🇻🇦 874 88 9ms 22 Nov 2021 551st Re-Adventures 🇮🇳 874 88 9ms 22 Nov 2021 551st NewDefectus 🇮🇱 874 88 10ms 22 Nov 2021 551st KrausRaus 🇺🇸 874 88 9ms 23 Nov 2021 551st stefangimmillaro 874 88 10ms 23 Nov 2021 551st GrayJoKing 🇦🇺 874 88 9ms 23 Nov 2021 551st Natanaelel 🇸🇪 874 88 10ms 23 Nov 2021 551st m-tkach 🇺🇦 874 88 10ms 23 Nov 2021 551st alasdair-greenland 874 88 9ms 23 Nov 2021 551st wansacis 🇩🇪 874 88 9ms 25 Nov 2021 First Prev 481–560 of 3,377 Next Last