The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Foo Fizz Buzz Bar in Python 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 478th 0skek 680 97 11ms 13 Feb 2024 478th SURAJMITTAL 680 97 11ms 13 Dec 2024 483rd pigeons-west 673 98 11ms 7 Mar 2022 483rd Elliott-R-Shaw 673 98 10ms 2 Feb 2023 483rd zalazalaza 673 98 13ms 2 Feb 2023 483rd ehulinsky 🇺🇸 673 98 10ms 16 May 2023 483rd ridingqwerty 🇺🇸 673 98 11ms 29 Nov 2023 483rd qwjhvbxi 673 98 11ms 7 Feb 2024 483rd dtbao20 🇻🇳 673 98 10ms 30 Sep 2024 483rd NotNoper 673 98 10ms 24 Oct 2024 483rd Europe2048 673 98 11ms 2 Dec 2024 492nd vale075 667 99 10ms 1 May 2022 492nd PkmnQ 667 99 47ms 25 Jul 2022 492nd Anthony-Williams-06 667 99 11ms 15 Nov 2022 492nd TheoKeller1 667 99 12ms 5 Jun 2023 492nd jgh713 667 99 11ms 7 Sep 2023 492nd KadinSchultz 667 99 12ms 8 Jan 2024 492nd jbjd 667 99 11ms 24 Feb 2024 492nd pquline 667 99 10ms 5 Mar 2025 492nd jiji7879 667 99 11ms 20 Jun 2025 501st Alfiecxn 🇬🇧 660 100 11ms 7 May 2022 501st dcc5480 660 100 11ms 12 Jan 2023 501st taesungh 660 100 14ms 16 Oct 2023 501st tobyLovick 660 100 12ms 17 Nov 2023 501st hhjellup 660 100 11ms 21 Jul 2025 506th rowboat1 653 101 46ms 19 Jun 2022 506th Heathcorp 🇦🇺 653 101 11ms 28 Jul 2022 506th Andre3582 653 101 10ms 31 Oct 2022 506th brimstonetrader 653 101 10ms 18 Dec 2023 506th Bmrl7 653 101 11ms 24 Feb 2024 506th inverseLorentz 🇦🇺 653 101 11ms 11 Mar 2024 506th madeforlosers 653 101 11ms 5 Sep 2024 506th PKFire18 653 101 11ms 25 Jun 2025 514th michelebastione 🇮🇹 647 102 11ms 21 Nov 2021 514th georgehulme 647 102 41ms 26 Jan 2022 514th pedrocoelhosilva 647 102 11ms 4 Nov 2022 514th OwPowell 647 102 11ms 17 Dec 2023 518th bsoyka 🇺🇸 641 103 11ms 9 Jan 2022 518th hvdnsz 641 103 10ms 9 May 2022 518th james-downey 641 103 11ms 10 Jul 2022 518th Bodo171 641 103 11ms 27 Nov 2022 518th shersch 641 103 11ms 20 Jan 2023 518th Lwi-Sandwich 641 103 11ms 20 Jul 2023 518th feherd 641 103 11ms 16 Nov 2023 525th cubed-guy 635 104 12ms 13 Feb 2022 525th argusdusty 🇺🇸 635 104 49ms 21 Aug 2022 525th n0Oo0Oo0b 635 104 11ms 29 Dec 2022 525th Razzula 635 104 12ms 4 Oct 2023 525th logvp 635 104 12ms 15 Jan 2024 530th jiaminglimjm 🇲🇾 629 105 11ms 25 Mar 2023 530th dlutolf 629 105 12ms 30 Apr 2023 530th SodiumFluoride 629 105 11ms 14 Sep 2024 530th staniec 629 105 60ms 5 Dec 2024 534th mdnestor 623 106 11ms 23 Dec 2022 534th redhann 623 106 11ms 1 Apr 2023 534th Peanut-XIV 623 106 11ms 9 Apr 2023 534th mbittner20 623 106 11ms 27 May 2023 534th AbhilashaTandon 623 106 11ms 21 Sep 2023 534th levavft 623 106 10ms 26 Oct 2023 534th julian-hoelz 623 106 9ms 19 Sep 2024 534th damoose717 623 106 12ms 23 May 2025 542nd Higashida-Daisuke 617 107 12ms 19 Dec 2021 542nd pol-7 617 107 12ms 6 Mar 2025 542nd tknight-dev 617 107 11ms 30 Jul 2025 545th Kasci 606 109 44ms 6 Dec 2021 545th aazuspan 606 109 12ms 27 Dec 2021 545th vigneshhari 606 109 17ms 18 Jan 2022 545th quasar098 606 109 11ms 16 Mar 2022 545th hippopotam00sehead 🇨🇦 606 109 14ms 11 Sep 2024 545th lgoeldner 606 109 9ms 15 Jan 2025 551st TheSmilingTurtle 600 110 11ms 14 May 2022 551st randomn4me 600 110 54ms 7 Oct 2022 551st rachitkeyal 600 110 11ms 9 Nov 2022 551st BlakeBleem 600 110 11ms 21 Apr 2023 551st anonymaew 600 110 10ms 2 Aug 2023 551st MisterrLuck 600 110 10ms 3 Sep 2023 551st cloudberry-DeaDev 600 110 11ms 19 Dec 2023 551st gracetyy 🇭🇰 600 110 9ms 2 Jul 2024 551st ebeinroth 600 110 9ms 6 Aug 2024 551st Alex-Huggett 🇬🇧 600 110 37ms 23 Oct 2024 First Prev 481–560 of 862 Next Last
