The Calendar hole will go live in approximately 12 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 🇺🇸 928 104 99ms 23 Nov 2021 562nd JayXon 🇺🇸 926 83 944ms 3 Apr 2024 562nd Steffan153 🇫🇮 926 83 1,039ms 4 Apr 2024 562nd sean-niemann 🇺🇸 926 83 1,036ms 3 Oct 2025 565th primo-ppcg 🇹🇭 926 99 40ms 26 Apr 2025 565th marshallward 🇺🇸 926 99 40ms 6 May 2025 567th lynn 926 102 1,258ms 28 Nov 2021 568th error256 926 104 71ms 29 Nov 2024 569th clockworknazo 926 107 8ms 23 Oct 2022 569th GrayJoKing 🇦🇺 926 107 9ms 16 Jul 2024 571st Steffan153 🇫🇮 926 108 13ms 17 Jun 2024 572nd pardouin 🇫🇷 925 98 126ms 17 Aug 2024 573rd sisyphus-ppcg 🇦🇺 925 105 2ms 15 Sep 2022 574th primo-ppcg 🇹🇭 924 118 40ms 7 Jul 2022 575th inventshah 923 92 90ms 12 Dec 2022 575th SirBogman 🇺🇸 923 92 90ms 12 Dec 2022 575th Alessandro-Balconi 🇮🇹 923 92 90ms 18 Dec 2022 575th snoozingnewt 🇨🇦 923 92 86ms 20 Oct 2023 575th DialFrost 🇸🇬 923 92 88ms 20 Oct 2023 575th byronknoll 🇺🇸 923 92 90ms 17 May 2024 575th pardouin 🇫🇷 923 92 88ms 17 Aug 2024 575th gdagstn 923 92 88ms 21 Aug 2024 575th rboath 923 92 93ms 8 Jan 2025 575th fuzzylojik-golf 🇺🇸 923 92 94ms 26 Sep 2025 585th JayXon 🇺🇸 923 108 3,684ms 10 Dec 2024 586th kg583 🇺🇸 923 119 24ms 11 Oct 2024 587th m-tkach 🇺🇦 923 130 66ms 18 Jan 2022 587th snyderek 🇺🇸 923 130 68ms 17 Oct 2024 589th Frowny 922 51 37ms 22 Nov 2021 590th emplv 🇱🇻 922 84 11ms 22 Nov 2021 590th SirBogman 🇺🇸 922 84 10ms 24 Nov 2021 590th uttumuttu 🇫🇮 922 84 10ms 4 Jan 2022 590th Steffan153 🇫🇮 922 84 11ms 31 Dec 2022 590th vlpx 🇫🇮 922 84 11ms 1 Aug 2024 590th sean-niemann 🇺🇸 922 84 11ms 12 Jan 2025 590th rucin93 🇵🇱 922 84 11ms 18 Feb 2025 597th dokutan 922 135 448ms 24 Sep 2025 597th Shanethegamer 🇺🇸 922 135 472ms 25 Sep 2025 597th Yewzir 🇧🇪 922 135 465ms 2 Oct 2025 597th namelessiw 922 135 459ms 4 Oct 2025 597th stefangimmillaro 922 135 445ms 6 Oct 2025 597th h3ra993huskp 🇯🇵 922 135 473ms 19 days ago 603rd AlephSquirrel 921 52 60ms 30 Dec 2022 604th swbbl 921 76 241ms 5 Feb 2022 604th thed1n 921 76 247ms 9 Jun 2022 604th ehmiiz 🇸🇪 921 76 276ms 21 Jun 2022 604th markroloff 921 76 253ms 24 Jul 2022 604th Clebam 🇫🇷 921 76 260ms 26 Jul 2022 604th KevinLaux 921 76 270ms 2 Nov 2022 604th Tadas 921 76 284ms 23 Feb 2024 604th MarkE0 921 76 257ms 30 Apr 2024 612th Lydxn 🇨🇦 921 83 5ms 11 May 2023 612th btnlq 921 83 5ms 21 Oct 2023 614th Sp3000 🇦🇺 921 86 13ms 23 Nov 2021 615th Alex-x90 🇺🇸 921 104 138ms 25 Mar 2023 616th m-tkach 🇺🇦 921 142 4ms 14 Jan 2025 617th sean-niemann 🇺🇸 920 85 3ms 27 Dec 2024 618th PhysicDev 🇫🇷 920 89 11ms 15 Mar 2022 618th martinnorling 🇸🇪 920 89 41ms 20 Jun 2022 618th OllieBoyne 🇬🇧 920 89 11ms 11 Sep 2022 618th randolchance 920 89 11ms 20 Jan 2023 618th jeff-at-tamer-dot-codes 🇺🇸 920 89 11ms 18 May 2023 618th Skwerl23 920 89 11ms 19 May 2023 618th tnecio 920 89 10ms 18 Jun 2024 618th Mabeloid 🇳🇴 920 89 11ms 18 Sep 2024 618th jamiloBBKing 920 89 11ms 27 Jan 2025 618th Pyroan 920 89 11ms 12 Mar 2025 618th davidludwik2370 920 89 11ms 24 Jul 2025 618th cros107 🇦🇺 920 89 11ms 1 Nov 2025 630th kops-cg 920 94 15ms 3 Mar 2025 631st pardouin 🇫🇷 920 138 271ms 29 Sep 2024 631st sean-niemann 🇺🇸 920 138 264ms 18 Mar 2025 633rd Shanethegamer 🇺🇸 919 105 125ms 22 Nov 2021 634th ovs-code 🇩🇪 918 81 50ms 22 Oct 2023 634th sean-niemann 🇺🇸 918 81 43ms 14 Aug 2025 636th CLOStrophobic 🇮🇹 918 111 42ms 13 Feb 2025 636th kg583 🇺🇸 918 111 42ms 15 Feb 2025 638th albanian-laundromat 917 82 766ms 24 Sep 2025 639th Lydxn 🇨🇦 917 103 1,266ms 3 Apr 2022 640th Kacarott 🇦🇺 917 105 67ms 13 Sep 2024 First Prev 561–640 of 3,396 Next Last