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 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 561st JayXon 🇺🇸 926 83 944ms 3 Apr 2024 561st Steffan153 🇫🇮 926 83 1,039ms 4 Apr 2024 561st sean-niemann 🇺🇸 926 83 1,036ms 3 Oct 2025 564th primo-ppcg 🇹🇭 926 99 40ms 26 Apr 2025 564th marshallward 🇺🇸 926 99 40ms 6 May 2025 566th lynn 926 102 1,258ms 28 Nov 2021 567th error256 926 104 71ms 29 Nov 2024 568th clockworknazo 926 107 8ms 23 Oct 2022 568th GrayJoKing 🇦🇺 926 107 9ms 16 Jul 2024 570th Steffan153 🇫🇮 926 108 13ms 17 Jun 2024 571st pardouin 🇫🇷 925 98 126ms 17 Aug 2024 572nd sisyphus-ppcg 🇦🇺 925 105 2ms 15 Sep 2022 573rd primo-ppcg 🇹🇭 924 118 40ms 7 Jul 2022 574th inventshah 923 92 90ms 12 Dec 2022 574th SirBogman 🇺🇸 923 92 90ms 12 Dec 2022 574th Alessandro-Balconi 🇮🇹 923 92 90ms 18 Dec 2022 574th snoozingnewt 🇨🇦 923 92 86ms 20 Oct 2023 574th DialFrost 🇸🇬 923 92 88ms 20 Oct 2023 574th byronknoll 🇺🇸 923 92 90ms 17 May 2024 574th pardouin 🇫🇷 923 92 88ms 17 Aug 2024 574th gdagstn 923 92 88ms 21 Aug 2024 574th rboath 923 92 93ms 8 Jan 2025 574th fuzzylojik-golf 🇺🇸 923 92 94ms 26 Sep 2025 584th JayXon 🇺🇸 923 108 3,684ms 10 Dec 2024 585th kg583 🇺🇸 923 119 24ms 11 Oct 2024 586th m-tkach 🇺🇦 923 130 66ms 18 Jan 2022 586th snyderek 🇺🇸 923 130 68ms 17 Oct 2024 588th Frowny 922 51 37ms 22 Nov 2021 589th emplv 🇱🇻 922 84 11ms 22 Nov 2021 589th SirBogman 🇺🇸 922 84 10ms 24 Nov 2021 589th uttumuttu 🇫🇮 922 84 10ms 4 Jan 2022 589th Steffan153 🇫🇮 922 84 11ms 31 Dec 2022 589th vlpx 🇫🇮 922 84 11ms 1 Aug 2024 589th sean-niemann 🇺🇸 922 84 11ms 12 Jan 2025 589th rucin93 🇵🇱 922 84 11ms 18 Feb 2025 596th dokutan 922 135 448ms 24 Sep 2025 596th Shanethegamer 🇺🇸 922 135 472ms 25 Sep 2025 596th Yewzir 🇧🇪 922 135 465ms 2 Oct 2025 596th namelessiw 922 135 459ms 4 Oct 2025 596th stefangimmillaro 922 135 445ms 6 Oct 2025 596th h3ra993huskp 🇯🇵 922 135 473ms 18 days ago 602nd AlephSquirrel 921 52 60ms 30 Dec 2022 603rd swbbl 921 76 241ms 5 Feb 2022 603rd thed1n 921 76 247ms 9 Jun 2022 603rd ehmiiz 🇸🇪 921 76 276ms 21 Jun 2022 603rd markroloff 921 76 253ms 24 Jul 2022 603rd Clebam 🇫🇷 921 76 260ms 26 Jul 2022 603rd KevinLaux 921 76 270ms 2 Nov 2022 603rd Tadas 921 76 284ms 23 Feb 2024 603rd MarkE0 921 76 257ms 30 Apr 2024 611th Lydxn 🇨🇦 921 83 5ms 11 May 2023 611th btnlq 921 83 5ms 21 Oct 2023 613th Sp3000 🇦🇺 921 86 13ms 23 Nov 2021 614th Alex-x90 🇺🇸 921 104 138ms 25 Mar 2023 615th m-tkach 🇺🇦 921 142 4ms 14 Jan 2025 616th sean-niemann 🇺🇸 920 85 3ms 27 Dec 2024 617th PhysicDev 🇫🇷 920 89 11ms 15 Mar 2022 617th martinnorling 🇸🇪 920 89 41ms 20 Jun 2022 617th OllieBoyne 🇬🇧 920 89 11ms 11 Sep 2022 617th randolchance 920 89 11ms 20 Jan 2023 617th jeff-at-tamer-dot-codes 🇺🇸 920 89 11ms 18 May 2023 617th Skwerl23 920 89 11ms 19 May 2023 617th tnecio 920 89 10ms 18 Jun 2024 617th Mabeloid 🇳🇴 920 89 11ms 18 Sep 2024 617th jamiloBBKing 920 89 11ms 27 Jan 2025 617th Pyroan 920 89 11ms 12 Mar 2025 617th davidludwik2370 920 89 11ms 24 Jul 2025 617th cros107 🇦🇺 920 89 11ms 1 Nov 2025 629th kops-cg 920 94 15ms 3 Mar 2025 630th pardouin 🇫🇷 920 138 271ms 29 Sep 2024 630th sean-niemann 🇺🇸 920 138 264ms 18 Mar 2025 632nd Shanethegamer 🇺🇸 919 105 125ms 22 Nov 2021 633rd ovs-code 🇩🇪 918 81 50ms 22 Oct 2023 633rd sean-niemann 🇺🇸 918 81 43ms 14 Aug 2025 635th CLOStrophobic 🇮🇹 918 111 42ms 13 Feb 2025 635th kg583 🇺🇸 918 111 42ms 15 Feb 2025 637th albanian-laundromat 917 82 766ms 24 Sep 2025 638th Lydxn 🇨🇦 917 103 1,266ms 3 Apr 2022 639th Kacarott 🇦🇺 917 105 67ms 13 Sep 2024 640th kg583 🇺🇸 917 109 12ms 17 Oct 2025 First Prev 561–640 of 3,396 Next Last