The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
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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 801st Shanethegamer 🇺🇸 0 64 107ms 20 Nov 2024 801st error256 0 64 110ms 21 Nov 2024 801st error256 0 64 18ms 21 Nov 2024 801st emgordon154 0 64 2ms 26 Nov 2024 801st Liniarc 0 64 12ms 26 Nov 2024 801st MeWhenI 🇻🇦 0 64 49ms 12 Dec 2024 801st Chinay-Domitrix 🇺🇸 0 64 4,595ms 18 Apr 2025 801st luuumine 🇫🇷 0 64 17ms 16 Oct 2025 801st GolfingSuccess 🇬🇷 0 64 3ms 12 Nov 2025 801st GolfingSuccess 🇬🇷 0 64 150ms 25 days ago 801st Shanethegamer 🇺🇸 0 64 157ms 23 days ago 801st GolfingSuccess 🇬🇷 0 64 86ms 11 days ago 801st amazingalek 0 64 12ms 11 days ago 814th Shanethegamer 🇺🇸 0 65 7ms 20 Nov 2024 814th stefangimmillaro 0 65 10ms 20 Nov 2024 814th kg583 🇺🇸 0 65 13ms 21 Nov 2024 814th khvdm 0 65 11ms 21 Nov 2024 814th edsrzf 🇳🇿 0 65 10ms 21 Nov 2024 814th hallvabo 🇳🇴 0 65 13ms 24 Nov 2024 814th ovs-code 🇩🇪 0 65 13ms 25 Nov 2024 814th GolfingSuccess 🇬🇷 0 65 11ms 25 Nov 2024 814th AlephSquirrel 0 65 11ms 25 Nov 2024 814th AlephSquirrel 0 65 50ms 25 Nov 2024 814th pardouin 🇫🇷 0 65 12ms 25 Nov 2024 814th btnlq 0 65 12ms 26 Nov 2024 814th CaedenHarper 🇨🇦 0 65 10ms 26 Nov 2024 814th emgordon154 0 65 11ms 26 Nov 2024 814th inventshah 0 65 12ms 26 Nov 2024 814th sean-niemann 🇺🇸 0 65 126ms 26 Nov 2024 814th stefangimmillaro 0 65 129ms 26 Nov 2024 814th duckyluuk 🇳🇱 0 65 11ms 26 Nov 2024 814th m-tkach 🇺🇦 0 65 13ms 26 Nov 2024 814th ovs-code 🇩🇪 0 65 2ms 26 Nov 2024 814th Alex-x90 🇺🇸 0 65 10ms 28 Nov 2024 814th lifthrasiir 🇰🇷 0 65 11ms 30 Nov 2024 814th zacjl 0 65 14ms 1 Dec 2024 814th zacjl 0 65 6ms 1 Dec 2024 814th sisyphus-ppcg 🇦🇺 0 65 10ms 2 Dec 2024 814th JunkIce 0 65 13ms 3 Dec 2024 814th SirBogman 🇺🇸 0 65 10ms 3 Dec 2024 814th xsot 🇸🇬 0 65 12ms 4 Dec 2024 814th ndren 0 65 14ms 5 Dec 2024 814th CornerMercury 🇬🇧 0 65 12ms 5 Dec 2024 814th lukegustafson 🇺🇸 0 65 12ms 7 Dec 2024 814th Europe2048 0 65 10ms 7 Dec 2024 814th neel11235813 0 65 10ms 9 Dec 2024 814th Seek64 🇩🇪 0 65 10ms 10 Dec 2024 814th MeWhenI 🇻🇦 0 65 2ms 11 Dec 2024 814th antimon2 🇯🇵 0 65 12ms 16 Dec 2024 814th error256 0 65 8ms 16 Dec 2024 814th edsrzf 🇳🇿 0 65 9ms 18 Dec 2024 814th bizy-coder 0 65 13ms 28 Dec 2024 814th Bulmenisaurus 0 65 10ms 1 Jan 2025 814th m-tkach 🇺🇦 0 65 127ms 3 Jan 2025 814th b-illy 🇬🇧 0 65 11ms 4 Jan 2025 814th emgordon154 0 65 7ms 11 Jan 2025 814th CLOStrophobic 🇮🇹 0 65 10ms 22 Jan 2025 814th prplz 🇦🇺 0 65 10ms 23 Jan 2025 814th kg583 🇺🇸 0 65 7ms 23 Jan 2025 814th CLOStrophobic 🇮🇹 0 65 6ms 23 Jan 2025 814th sean-niemann 🇺🇸 0 65 11ms 23 Jan 2025 814th mathisfun271 0 65 10ms 25 Jan 2025 814th aliberro39109 0 65 10ms 25 Jan 2025 814th Natanaelel 🇸🇪 0 65 10ms 26 Jan 2025 814th Shanethegamer 🇺🇸 0 65 10ms 30 Jan 2025 814th firegene 🇮🇪 0 65 13ms 30 Jan 2025 814th Lydxn 🇨🇦 0 65 10ms 31 Jan 2025 814th commandblockguy 🇺🇸 0 65 12ms 2 Feb 2025 814th GolfingSuccess 🇬🇷 0 65 7ms 3 Feb 2025 814th bricknellj 0 65 10ms 5 Feb 2025 814th qpwoeirut 0 65 4,572ms 7 Feb 2025 814th xyangst 0 65 11ms 14 Feb 2025 814th emgordon154 0 65 48ms 17 Feb 2025 814th GolfingSuccess 🇬🇷 0 65 127ms 6 Mar 2025 814th Jacob385 0 65 3ms 19 Mar 2025 814th 4atj 0 65 10ms 10 Apr 2025 814th orthoplex 🇨🇽 0 65 11ms 16 Apr 2025 814th MeWhenI 🇻🇦 0 65 14ms 17 Apr 2025 814th Mukundan314 0 65 13ms 17 Apr 2025 814th MeWhenI 🇻🇦 0 65 7ms 17 Apr 2025 First Prev 801–880 of 3,014 Next Last