The Calendar hole will go live in approximately 11 days. Why not try and solve it ahead of time?
Lucky Numbers 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 1st khvdm 1,000 52 15ms 20 Jan 2025 1st m-tkach 🇺🇦 1,000 52 12ms 24 Jan 2025 1st JayXon 🇺🇸 1,000 52 11ms 26 days ago 4th Lydxn 🇨🇦 981 53 11ms 28 Feb 2022 4th btnlq 981 53 11ms 1 Mar 2022 4th ovs-code 🇩🇪 981 53 11ms 1 Mar 2022 4th hallvabo 🇳🇴 981 53 12ms 28 Apr 2022 4th xsot 🇸🇬 981 53 10ms 8 Oct 2023 4th GrayJoKing 🇦🇺 981 53 11ms 1 Nov 2023 4th orthoplex 🇨🇽 981 53 17ms 2 Jun 2024 4th pardouin 🇫🇷 981 53 11ms 11 Jul 2024 4th Mukundan314 981 53 18ms 8 hours ago 13th anter69 🇭🇺 963 54 11ms 1 Apr 2022 13th Steffan153 🇫🇮 963 54 12ms 16 Nov 2022 13th DialFrost 🇸🇬 963 54 11ms 19 Dec 2022 13th sean-niemann 🇺🇸 963 54 12ms 4 Jan 2023 13th neel11235813 963 54 11ms 16 Jan 2023 13th Alex-x90 🇺🇸 963 54 11ms 20 Jan 2023 13th kg583 🇺🇸 963 54 11ms 10 Aug 2023 13th ndren 963 54 17ms 25 Aug 2023 13th Yewzir 🇧🇪 963 54 11ms 10 Jun 2024 13th duckyluuk 🇳🇱 963 54 12ms 15 Aug 2024 13th CaedenHarper 🇨🇦 963 54 19ms 3 Nov 2024 13th lifthrasiir 🇰🇷 963 54 11ms 16 Nov 2024 13th CornerMercury 🇬🇧 963 54 20ms 14 Feb 2025 13th emgordon154 963 54 11ms 20 Mar 2025 13th keelimeguy 🇺🇸 963 54 18ms 7 May 2025 13th rucin93 🇵🇱 963 54 11ms 31 May 2025 13th HPWiz 🇳🇿 963 54 12ms 25 days ago 30th xnor-gate 945 55 11ms 2 Mar 2022 30th nwellnhof 🇩🇪 945 55 11ms 10 Mar 2023 30th Rubiksmath 945 55 11ms 15 Sep 2024 33rd canissimia 🇦🇶 929 56 11ms 28 Feb 2022 33rd lynn 929 56 11ms 1 Mar 2022 33rd zacjl 929 56 11ms 20 Jan 2025 33rd Seek64 🇩🇪 929 56 19ms 8 May 2025 33rd Babafaba 929 56 11ms 2 Nov 2025 33rd ryyyn 🇺🇸 929 56 11ms 16 days ago 33rd bizy-coder 929 56 11ms 9 days ago 40th primo-ppcg 🇹🇭 912 57 11ms 1 Mar 2022 40th prplz 🇦🇺 912 57 11ms 11 Mar 2022 40th btjones0 912 57 11ms 15 Jul 2022 40th sisyphus-ppcg 🇦🇺 912 57 10ms 25 Jul 2022 40th TFeld00 🇩🇰 912 57 10ms 4 Oct 2022 40th SirBogman 🇺🇸 912 57 11ms 20 Nov 2022 40th bricknellj 912 57 17ms 20 Dec 2022 40th scpchicken 🇵🇼 912 57 11ms 10 Mar 2023 40th inventshah 912 57 10ms 26 Sep 2023 40th janbehrens 🇩🇪 912 57 18ms 30 Dec 2023 40th StefanHabel 🇨🇦 912 57 19ms 13 Feb 2024 40th 5cw 🇺🇸 912 57 12ms 11 Mar 2024 52nd GolfingSuccess 🇬🇷 897 58 11ms 14 Aug 2022 52nd MeWhenI 🇻🇦 897 58 18ms 24 Aug 2023 52nd BREMAUCY 🇫🇷 897 58 17ms 23 Mar 2024 52nd Bulmenisaurus 897 58 10ms 18 Jul 2024 52nd frankgraziano 897 58 11ms 30 Apr 2025 52nd KasperKivimaeki 🇫🇮 897 58 18ms 30 Jun 2025 52nd blaztoma 🇱🇹 897 58 11ms 22 Nov 2025 59th jared-hughes 881 59 11ms 26 Jul 2022 59th stefangimmillaro 881 59 12ms 28 Sep 2022 59th annaproxy 881 59 11ms 18 Jan 2023 59th InigoK 🇺🇸 881 59 11ms 24 Jun 2023 59th rollershutter 881 59 11ms 7 Jul 2023 59th edsrzf 🇳🇿 881 59 11ms 1 Sep 2025 65th Pyroan 867 60 11ms 18 Mar 2025 65th snoozingnewt 🇨🇦 867 60 26ms 15 Oct 2025 67th aksyristos 852 61 11ms 17 Jan 2023 67th CLOStrophobic 🇮🇹 852 61 11ms 3 Mar 2025 67th FortuiteMan 🇫🇷 852 61 10ms 21 Jul 2025 67th HETHAT 🇩🇿 852 61 11ms 26 Aug 2025 71st Shanethegamer 🇺🇸 839 62 29ms 1 Mar 2022 71st ZakkkkAttackkkk 🇵🇭 839 62 1,178ms 4 Mar 2022 71st croc54 839 62 11ms 11 Jan 2025 74th QuincyNash 🇺🇸 825 63 12ms 2 Dec 2022 74th JunkIce 825 63 11ms 24 Nov 2024 74th plcc0 825 63 59ms 21 Mar 2025 74th RaBa21 🇭🇺 825 63 118ms 12 Jul 2025 74th Languag3 825 63 11ms 4 days ago 79th jakobkordez 🇸🇮 813 64 10ms 7 Nov 2022 79th elgan65536 813 64 11ms 31 Mar 2024 1–80 of 248 Next Last