The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
Lucky Numbers 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 73rd neel11235813 920 57 11ms 16 Jan 2023 73rd scpchicken 🇵🇼 920 57 11ms 10 Mar 2023 73rd kg583 🇺🇸 920 57 11ms 10 Mar 2023 73rd sean-niemann 🇺🇸 920 57 11ms 10 Mar 2023 73rd CornerMercury 🇬🇧 920 57 18ms 24 Aug 2023 73rd ndren 920 57 17ms 25 Aug 2023 73rd inventshah 920 57 10ms 26 Sep 2023 73rd janbehrens 🇩🇪 920 57 18ms 30 Dec 2023 73rd StefanHabel 🇨🇦 920 57 19ms 13 Feb 2024 73rd 5cw 🇺🇸 920 57 12ms 11 Mar 2024 73rd GrayJoKing 🇦🇺 920 57 134ms 13 Aug 2024 73rd CaedenHarper 🇨🇦 920 57 17ms 3 Sep 2024 73rd lifthrasiir 🇰🇷 920 57 12ms 13 Nov 2024 73rd emgordon154 920 57 12ms 18 Jan 2025 73rd duckyluuk 🇳🇱 920 57 11ms 28 Jan 2025 73rd keelimeguy 🇺🇸 920 57 17ms 1 May 2025 97th nwellnhof 🇩🇪 920 75 3ms 24 May 2022 97th xsot 🇸🇬 920 75 3ms 3 May 2025 99th nwellnhof 🇩🇪 918 50 140ms 10 Mar 2023 100th canissimia 🇦🇶 918 59 193ms 18 days ago 101st primo-ppcg 🇹🇭 917 58 1,217ms 19 Apr 2022 102nd JayXon 🇺🇸 917 87 417ms 31 Aug 2022 102nd Lydxn 🇨🇦 917 87 383ms 31 Aug 2022 104th GrayJoKing 🇦🇺 914 61 19ms 10 Oct 2023 104th ovs-code 🇩🇪 914 61 17ms 10 Oct 2023 104th Lydxn 🇨🇦 914 61 16ms 11 Oct 2023 104th JayXon 🇺🇸 914 61 16ms 6 Feb 2024 104th sean-niemann 🇺🇸 914 61 17ms 20 days ago 109th Sakisan 🇧🇪 914 69 211ms 30 Apr 2025 110th JayXon 🇺🇸 913 95 72ms 2 Mar 2022 110th nwellnhof 🇩🇪 913 95 68ms 24 May 2022 110th Lydxn 🇨🇦 913 95 75ms 24 May 2022 113th JayXon 🇺🇸 912 76 21ms 12 Mar 2025 113th DialFrost 🇸🇬 912 76 14ms 30 Apr 2025 115th AdrienHache 🇫🇷 911 61 60ms 21 Nov 2024 116th JayXon 🇺🇸 910 54 2,246ms 25 Oct 2023 116th alemelis 910 54 2,483ms 5 Aug 2025 118th JayXon 🇺🇸 910 100 124ms 26 Sep 2022 119th GrayJoKing 🇦🇺 910 123 266ms 7 Sep 2023 119th DialFrost 🇸🇬 910 123 249ms 28 Apr 2025 121st GrayJoKing 🇦🇺 908 55 373ms 15 Jan 2024 121st sean-niemann 🇺🇸 908 55 445ms 16 Jan 2024 121st xsot 🇸🇬 908 55 344ms 28 Jan 2024 121st lynn 908 55 341ms 17 Feb 2024 121st Steffan153 🇫🇮 908 55 383ms 26 Jul 2024 121st lifthrasiir 🇰🇷 908 55 332ms 2 Dec 2024 121st emgordon154 908 55 388ms 18 Jan 2025 121st kg583 🇺🇸 908 55 334ms 30 Apr 2025 129th nwellnhof 🇩🇪 908 63 14ms 24 May 2022 130th JayXon 🇺🇸 908 76 3ms 2 Mar 2022 130th ovs-code 🇩🇪 908 76 3ms 22 Jun 2023 130th KasperKivimaeki 🇫🇮 908 76 3ms 2 May 2025 133rd JayXon 🇺🇸 908 101 459ms 25 Sep 2025 133rd nwellnhof 🇩🇪 908 101 431ms 25 Sep 2025 135th emgordon154 907 63 3,669ms 8 Jun 2025 136th JayXon 🇺🇸 906 68 108ms 28 Sep 2022 136th primo-ppcg 🇹🇭 906 68 108ms 12 Apr 2025 138th GrayJoKing 🇦🇺 906 73 134ms 10 Mar 2023 138th JayXon 🇺🇸 906 73 132ms 6 Feb 2024 140th GolfingSuccess 🇬🇷 904 58 11ms 14 Aug 2022 140th MeWhenI 🇻🇦 904 58 18ms 24 Aug 2023 140th rucin93 🇵🇱 904 58 12ms 19 Jan 2024 140th BREMAUCY 🇫🇷 904 58 17ms 23 Mar 2024 140th Yewzir 🇧🇪 904 58 11ms 10 Jun 2024 140th Bulmenisaurus 904 58 10ms 18 Jul 2024 140th frankgraziano 904 58 11ms 30 Apr 2025 140th KasperKivimaeki 🇫🇮 904 58 18ms 30 Jun 2025 140th blaztoma 🇱🇹 904 58 11ms 22 Nov 2025 149th edsrzf 🇳🇿 904 64 1,122ms 20 Sep 2025 150th GrayJoKing 🇦🇺 903 69 76ms 14 days ago 151st JayXon 🇺🇸 903 75 105ms 16 Oct 2022 152nd primo-ppcg 🇹🇭 902 40 62ms 1 Mar 2022 153rd primo-ppcg 🇹🇭 902 60 62ms 12 Nov 2022 154th JayXon 🇺🇸 902 74 106ms 3 Mar 2022 154th primo-ppcg 🇹🇭 902 74 26ms 6 Aug 2023 154th GrayJoKing 🇦🇺 902 74 26ms 8 Sep 2023 157th JayXon 🇺🇸 901 75 45ms 26 Sep 2022 158th Lydxn 🇨🇦 901 79 144ms 8 Jun 2022 158th GrayJoKing 🇦🇺 901 79 139ms 9 Jun 2022 160th ovs-code 🇩🇪 901 101 128ms 22 Apr 2025 First Prev 81–160 of 1,540 Next Last