The Calendar hole will go live in approximately 12 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 Chars Time Submitted 739th Kacarott 🇦🇺 0 61 122ms 24 days ago 802nd emgordon154 0 62 2ms 27 Nov 2024 802nd CLOStrophobic 🇮🇹 0 62 4ms 4 Feb 2025 802nd DialFrost 🇸🇬 0 62 8ms 15 Feb 2025 802nd heanyang1 0 62 17ms 26 Mar 2025 802nd dokutan 0 62 1,481ms 15 Jul 2025 802nd 6512345 0 62 112ms 4 Nov 2025 808th kg583 🇺🇸 0 63 49ms 21 Nov 2024 808th sean-niemann 🇺🇸 0 63 156ms 10 Dec 2024 808th MeWhenI 🇻🇦 0 63 7ms 18 Dec 2024 808th zacjl 0 63 52ms 31 Dec 2024 808th CLOStrophobic 🇮🇹 0 63 58ms 17 Jan 2025 808th edsrzf 🇳🇿 0 63 50ms 9 Feb 2025 808th GolfingSuccess 🇬🇷 0 63 49ms 9 Feb 2025 808th Nemikolh 🇫🇷 0 63 12ms 12 Feb 2025 808th GolfingSuccess 🇬🇷 0 63 158ms 20 Feb 2025 808th varhammer 🇷🇺 0 63 6ms 22 Feb 2025 808th voytxt 🇨🇿 0 63 155ms 17 Apr 2025 808th FlyingPenguin223 0 63 62ms 17 Apr 2025 808th DialFrost 🇸🇬 0 63 160ms 17 Apr 2025 808th DialFrost 🇸🇬 0 63 7ms 17 Apr 2025 808th DialFrost 🇸🇬 0 63 49ms 17 Apr 2025 808th pardouin 🇫🇷 0 63 164ms 17 Apr 2025 808th Shanethegamer 🇺🇸 0 63 6ms 17 Apr 2025 808th Shanethegamer 🇺🇸 0 63 54ms 17 Apr 2025 808th GolfingSuccess 🇬🇷 0 63 8ms 17 Apr 2025 808th HumanoidCPU 0 63 155ms 18 Apr 2025 808th HumanoidCPU 0 63 6ms 18 Apr 2025 808th HumanoidCPU 0 63 50ms 18 Apr 2025 808th CaedenHarper 🇨🇦 0 63 162ms 18 Apr 2025 808th CaedenHarper 🇨🇦 0 63 9ms 18 Apr 2025 808th CaedenHarper 🇨🇦 0 63 58ms 18 Apr 2025 808th dokutan 0 63 8ms 28 Apr 2025 808th Jigglypuffed 0 63 56ms 19 Jul 2025 808th penous 0 63 12ms 2 Aug 2025 808th YellowDudeIsMe 0 63 11ms 14 Aug 2025 808th albanian-laundromat 0 63 8ms 22 Aug 2025 808th snoozingnewt 🇨🇦 0 63 152ms 15 Sep 2025 808th snoozingnewt 🇨🇦 0 63 7ms 15 Sep 2025 808th snoozingnewt 🇨🇦 0 63 52ms 15 Sep 2025 808th luuumine 🇫🇷 0 63 2ms 10 Nov 2025 808th JOrE20 🇺🇸 0 63 7ms 18 Nov 2025 808th kayaulai 0 63 94ms 26 days ago 844th Shanethegamer 🇺🇸 0 64 107ms 20 Nov 2024 844th error256 0 64 110ms 21 Nov 2024 844th error256 0 64 18ms 21 Nov 2024 844th emgordon154 0 64 5ms 26 Nov 2024 844th Liniarc 0 64 12ms 26 Nov 2024 844th Natanaelel 🇸🇪 0 64 181ms 9 Dec 2024 844th MeWhenI 🇻🇦 0 64 49ms 12 Dec 2024 844th MeWhenI 🇻🇦 0 64 16ms 14 Feb 2025 844th targrik 0 64 15ms 15 Feb 2025 844th calum12345 0 64 16ms 25 Mar 2025 844th Chinay-Domitrix 🇺🇸 0 64 4,595ms 18 Apr 2025 844th sean-niemann 🇺🇸 0 64 74ms 30 Apr 2025 844th TheDrawingCoder-Gamer 0 64 16ms 29 Jun 2025 844th Babafaba 0 64 15ms 15 Oct 2025 844th luuumine 🇫🇷 0 64 17ms 16 Oct 2025 844th GolfingSuccess 🇬🇷 0 64 3ms 12 Nov 2025 844th GolfingSuccess 🇬🇷 0 64 150ms 17 days ago 844th Shanethegamer 🇺🇸 0 64 157ms 15 days ago 844th GolfingSuccess 🇬🇷 0 64 86ms 4 days ago 844th amazingalek 0 64 12ms 3 days ago 864th Shanethegamer 🇺🇸 0 65 7ms 20 Nov 2024 864th stefangimmillaro 0 65 10ms 20 Nov 2024 864th edsrzf 🇳🇿 0 65 10ms 21 Nov 2024 864th ovs-code 🇩🇪 0 65 13ms 25 Nov 2024 864th GolfingSuccess 🇬🇷 0 65 11ms 25 Nov 2024 864th AlephSquirrel 0 65 11ms 25 Nov 2024 864th AlephSquirrel 0 65 50ms 25 Nov 2024 864th pardouin 🇫🇷 0 65 12ms 25 Nov 2024 864th btnlq 0 65 12ms 26 Nov 2024 864th CaedenHarper 🇨🇦 0 65 10ms 26 Nov 2024 864th inventshah 0 65 12ms 26 Nov 2024 864th sean-niemann 🇺🇸 0 65 126ms 26 Nov 2024 864th stefangimmillaro 0 65 129ms 26 Nov 2024 864th duckyluuk 🇳🇱 0 65 11ms 26 Nov 2024 864th ovs-code 🇩🇪 0 65 2ms 26 Nov 2024 864th Alex-x90 🇺🇸 0 65 10ms 28 Nov 2024 864th zacjl 0 65 14ms 1 Dec 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