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 241st ovs-code 🇩🇪 871 100 2ms 11 Oct 2023 241st Steffan153 🇫🇮 871 100 4ms 19 Feb 2024 241st edsrzf 🇳🇿 871 100 2ms 26 Jul 2025 244th canissimia 🇦🇶 871 105 4ms 11 Jan 2022 245th primo-ppcg 🇹🇭 871 269 12ms 10 Jul 2025 246th inventshah 870 126 90ms 7 Aug 2024 247th lifthrasiir 🇰🇷 869 35 2ms 29 Nov 2024 248th edsrzf 🇳🇿 869 111 8ms 15 Oct 2025 249th sisyphus-ppcg 🇦🇺 868 77 90ms 13 Dec 2022 249th Steffan153 🇫🇮 868 77 86ms 13 Dec 2022 251st JayXon 🇺🇸 868 101 109ms 24 May 2025 252nd Alex-x90 🇺🇸 868 108 2ms 8 Aug 2023 253rd Shanethegamer 🇺🇸 868 126 2ms 10 Sep 2022 253rd inventshah 868 126 2ms 18 Sep 2022 255th m-tkach 🇺🇦 868 154 69ms 30 Dec 2022 256th MeWhenI 🇻🇦 867 30 60ms 25 Aug 2022 257th stefangimmillaro 867 87 4,367ms 24 Nov 2024 257th emgordon154 867 87 4,278ms 6 Mar 2025 259th IanUtley 867 117 14ms 17 Jul 2024 260th Shanethegamer 🇺🇸 867 119 121ms 23 Apr 2022 260th MeWhenI 🇻🇦 867 119 122ms 13 Nov 2022 260th Lydxn 🇨🇦 867 119 120ms 4 Mar 2023 260th stefangimmillaro 867 119 124ms 22 Apr 2023 264th GrayJoKing 🇦🇺 865 88 9ms 31 Jan 2025 265th jared-hughes 863 100 2ms 6 Apr 2022 265th koipondx86 863 100 2ms 7 Nov 2024 267th SirBogman 🇺🇸 862 49 149ms 10 May 2022 267th ovs-code 🇩🇪 862 49 168ms 10 Feb 2023 269th ZakkkkAttackkkk 🇵🇭 862 80 10ms 23 Feb 2022 269th btjones0 862 80 10ms 15 Jul 2022 269th adamnielson42 🇺🇸 862 80 11ms 25 Apr 2023 269th PixelSoftwareStudios 🇺🇸 862 80 11ms 6 Jul 2024 273rd neihousaigaai 862 82 9ms 11 Jan 2022 273rd SirFireball3521 862 82 9ms 31 Oct 2022 273rd thisishowmymindworks 🇳🇴 862 82 9ms 10 Jun 2023 276th Shanethegamer 🇺🇸 862 101 2ms 11 Nov 2023 276th DialFrost 🇸🇬 862 101 2ms 25 Jan 2024 276th Yewzir 🇧🇪 862 101 2ms 19 Nov 2025 279th edsrzf 🇳🇿 861 95 112ms 20 days ago 280th ovs-code 🇩🇪 861 112 7ms 5 Jul 2024 281st btnlq 860 64 303ms 12 Jan 2022 281st nwellnhof 🇩🇪 860 64 278ms 27 Aug 2024 283rd prplz 🇦🇺 860 109 1ms 18 Jan 2022 283rd Irratix 🇳🇱 860 109 2ms 13 Jun 2022 283rd xsot 🇸🇬 860 109 2ms 1 Feb 2024 286th HumanoidCPU 860 120 109ms 3 Mar 2025 287th edsrzf 🇳🇿 860 124 442ms 24 Sep 2025 287th dokutan 860 124 359ms 24 Sep 2025 289th arjanadriaanse 🇳🇱 860 130 141ms 8 Feb 2022 289th annaproxy 860 130 144ms 8 Feb 2022 291st sisyphus-ppcg 🇦🇺 859 59 16ms 3 Oct 2024 291st retrohun 859 59 36ms 25 Dec 2024 293rd DialFrost 🇸🇬 859 60 2ms 25 Dec 2024 294th Steffan153 🇫🇮 858 94 5ms 11 Dec 2023 295th primo-ppcg 🇹🇭 858 151 43ms 26 Apr 2025 296th JayXon 🇺🇸 857 78 79ms 9 Apr 2023 296th snoozingnewt 🇨🇦 857 78 81ms 26 days ago 298th MeWhenI 🇻🇦 857 90 102ms 20 Oct 2022 299th primo-ppcg 🇹🇭 857 97 5ms 4 Jul 2023 300th lifthrasiir 🇰🇷 856 73 354ms 2 Dec 2024 300th sean-niemann 🇺🇸 856 73 360ms 28 Jan 2025 300th snoozingnewt 🇨🇦 856 73 374ms 26 days ago 303rd prplz 🇦🇺 856 128 71ms 19 Jan 2022 304th lynn 855 46 33ms 11 Jan 2022 304th ovs-code 🇩🇪 855 46 33ms 30 Jun 2023 306th MeWhenI 🇻🇦 854 90 400ms 9 Aug 2023 307th rucin93 🇵🇱 854 102 2ms 10 Jul 2025 308th lynn 854 148 29ms 18 Jul 2023 309th JayXon 🇺🇸 854 172 1,775ms 22 Apr 2024 310th CaedenHarper 🇨🇦 853 125 620ms 3 Oct 2025 311th Natanaelel 🇸🇪 853 131 148ms 18 May 2025 312th m-tkach 🇺🇦 852 83 9ms 10 Jan 2022 312th trinityy-7 852 83 9ms 13 Mar 2024 312th penbuvt 852 83 10ms 7 Nov 2024 315th edsrzf 🇳🇿 852 103 107ms 17 Oct 2025 316th speles 🇺🇦 852 110 2ms 29 Oct 2023 317th primo-ppcg 🇹🇭 852 117 39ms 20 Jun 2022 318th ovs-code 🇩🇪 852 119 14ms 4 Jul 2024 318th GrayJoKing 🇦🇺 852 119 14ms 5 Jul 2024 320th Irratix 🇳🇱 851 81 10ms 7 May 2022 First Prev 241–320 of 1,556 Next Last