The Calendar hole will go live in approximately 11 days. Why not try and solve it ahead of time?
Fizz Buzz in Haskell 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 159th blasio99 708 113 115ms 28 Jan 2021 162nd ian-h-chamberlain 🇺🇸 702 114 117ms 6 Jan 2020 162nd svenssom 702 114 116ms 18 Feb 2022 164th Informagier 696 115 114ms 17 Sep 2020 164th AtticusKuhn 696 115 110ms 23 Jan 2021 164th HaroldVemeno 696 115 114ms 2 Jan 2022 164th heanyang1 696 115 117ms 22 Apr 2025 168th ahilke 690 116 121ms 19 Mar 2019 168th Johannesd3 690 116 114ms 18 Jun 2019 168th darrell-roberts 690 116 119ms 26 Feb 2020 168th ze-h 🇺🇸 690 116 114ms 25 Mar 2022 172nd PPKFS 684 117 116ms 8 Dec 2022 172nd rucin93 🇵🇱 684 117 120ms 8 Jun 2024 174th valentinstoecker 678 118 116ms 8 Jun 2020 175th guliyevemil1 🇦🇿 672 119 118ms 16 Apr 2020 175th rachelambda 672 119 114ms 6 Jun 2020 175th regob 672 119 116ms 31 Jul 2021 175th Drew-j-Smith 672 119 115ms 24 Dec 2023 175th refrogerator 672 119 131ms 17 Oct 2024 175th Alex-Huggett 🇬🇧 672 119 169ms 19 mins ago 181st QuinnQR 667 120 113ms 25 Oct 2021 181st aliakseikalosha 667 120 116ms 14 Oct 2024 181st TheDrawingCoder-Gamer 667 120 128ms 2 Jul 2025 181st Zounon 667 120 112ms 19 Aug 2025 185th mossprescott 661 121 115ms 12 Aug 2018 185th elttil 661 121 131ms 15 Jun 2024 187th enmiligi 650 123 121ms 8 Mar 2023 188th CatsAreFluffy 645 124 117ms 16 Nov 2022 189th RoSeWi 640 125 114ms 29 Nov 2019 189th jadequin 640 125 115ms 28 Apr 2021 189th sech1p 🇵🇱 640 125 114ms 6 Jul 2021 189th Widgitty 640 125 112ms 20 May 2023 193rd JoaoFelipe3 635 126 113ms 14 Jan 2024 194th volpi-m 🇫🇷 630 127 115ms 19 Mar 2024 194th RedzGoose 🇦🇺 630 127 116ms 18 Sep 2024 196th neonchickens 625 128 111ms 10 Nov 2023 196th brimstonetrader 625 128 114ms 2 Jan 2024 196th nents 625 128 116ms 24 Jan 2025 199th namelessiw 615 130 113ms 22 Jan 2024 199th Kesefon 615 130 114ms 3 Oct 2024 201st andres-dr 611 131 118ms 13 May 2020 201st jtnuttall 611 131 113ms 5 Oct 2022 203rd ldnicolasmay 606 132 112ms 17 Sep 2019 203rd RustemB 🇷🇺 606 132 112ms 2 Jun 2020 203rd CristianDG 606 132 116ms 1 Sep 2020 206th Aiden01 593 135 124ms 15 May 2019 207th xmamalou 🇬🇷 588 136 110ms 17 Sep 2023 207th h3ra993huskp 🇯🇵 588 136 120ms 13 Oct 2025 209th KatieLG 🇬🇧 584 137 129ms 30 May 2021 210th Siri-chan 580 138 113ms 29 Dec 2022 210th Reijix 580 138 116ms 1 Oct 2023 212th rambox11 576 139 114ms 30 Jan 2019 212th alphafalfa 576 139 188ms 18 Nov 2024 214th dreamsmasher 571 140 116ms 17 Jan 2021 215th louisbosqui 567 141 116ms 28 Dec 2020 215th j0d3v 567 141 130ms 18 Jul 2025 217th maxquinn 559 143 123ms 20 Nov 2019 218th pandapawskat 552 145 112ms 30 Aug 2021 219th marshallku 🇰🇷 541 148 116ms 12 Sep 2020 219th AlephSquirrel 541 148 125ms 25 May 2021 221st Gigabitten 530 151 114ms 1 Nov 2019 222nd specdrake 510 157 111ms 30 May 2020 223rd woodRock 500 160 114ms 12 Jan 2021 224th NatNgs 494 162 115ms 8 Jan 2020 225th LHLaurini 🇧🇷 488 164 117ms 29 Jun 2024 226th elisherer 🇮🇱 485 165 115ms 7 Apr 2019 226th willpiam 485 165 120ms 9 Sep 2021 228th massung 468 171 117ms 19 Mar 2019 229th malcolmseyd 444 180 111ms 11 Aug 2022 230th saitouena 432 185 114ms 18 Sep 2022 230th alexhroom 432 185 118ms 2 Jan 2023 232nd YAJUE114514 426 188 116ms 15 Jul 2025 233rd nikhilc1527 392 204 112ms 2 Jan 2022 234th KrausRaus 🇺🇸 385 208 111ms 1 Feb 2022 235th lukasmoellerch 376 213 115ms 14 Jul 2019 236th Yax42 🇫🇷 367 218 125ms 4 Jun 2024 237th Sticky-Bits 362 221 114ms 19 Apr 2019 238th andrew3600 359 223 116ms 19 Aug 2018 239th Elliott-R-Shaw 357 224 117ms 2 Feb 2023 240th SniperSmiley 🇺🇸 340 235 116ms 2 Aug 2022 First Prev 161–240 of 252 Next Last