The Calendar hole will go live in approximately 13 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 234th crispshaker 931 46 9ms 19 Jun 2023 234th ndren 931 46 10ms 5 Aug 2023 234th wen1now 931 46 9ms 6 Nov 2023 234th rucin93 🇵🇱 931 46 9ms 6 Dec 2023 234th ballaire 931 46 10ms 27 Jan 2024 234th wuzekai518 931 46 9ms 21 Jun 2024 234th ahmetdemirag 🇨🇾 931 46 9ms 30 Jun 2024 234th FranklinJiaChen 931 46 9ms 3 Jul 2024 234th codingisgreatbutiamnot 931 46 9ms 25 Jul 2024 234th martion2007 931 46 9ms 14 Aug 2024 234th bizy-coder 931 46 10ms 16 Aug 2024 234th bzijlema 🇳🇱 931 46 9ms 14 Oct 2024 234th dokutan 931 46 9ms 18 Mar 2025 234th plcc0 931 46 9ms 27 Apr 2025 234th KasperKivimaeki 🇫🇮 931 46 9ms 29 Jun 2025 234th dirckvdende 931 46 9ms 24 Jul 2025 234th qpwoeirut 931 46 9ms 13 Aug 2025 234th solisolu 931 46 9ms 1 Oct 2025 234th michaelmgreer 931 46 9ms 14 Oct 2025 260th akshatj27 🇦🇶 929 33 36ms 29 Jan 2022 260th Waffle3z 929 33 36ms 29 Jan 2022 260th ovs-code 🇩🇪 929 33 38ms 29 Jan 2022 260th rak1507 🇬🇧 929 33 38ms 29 Jan 2022 260th Shanethegamer 🇺🇸 929 33 42ms 29 Jan 2022 260th jared-hughes 929 33 39ms 12 Sep 2022 260th ritwin-n 929 33 46ms 11 Jun 2023 260th Natanaelel 🇸🇪 929 33 51ms 3 Jan 2024 260th jipsong 🇩🇪 929 33 36ms 30 Jun 2024 269th MeWhenI 🇻🇦 923 34 4ms 15 Jul 2022 270th primo-ppcg 🇹🇭 923 42 62ms 5 Apr 2025 270th Kacarott 🇦🇺 923 42 62ms 9 days ago 270th error256 923 42 63ms 8 days ago 273rd edsrzf 🇳🇿 923 44 73ms 15 Jan 2025 273rd JayXon 🇺🇸 923 44 73ms 15 Jan 2025 275th prplz 🇦🇺 921 33 256ms 31 Jan 2022 275th nwellnhof 🇩🇪 921 33 240ms 1 Feb 2022 275th bitsandbeyond 🇳🇱 921 33 261ms 6 Oct 2025 278th sean-niemann 🇺🇸 921 38 673ms 21 Sep 2025 278th fuzzylojik-golf 🇺🇸 921 38 687ms 21 Sep 2025 280th DialFrost 🇸🇬 919 46 125ms 3 Aug 2024 280th sean-niemann 🇺🇸 919 46 127ms 3 Aug 2024 280th Steffan153 🇫🇮 919 46 127ms 3 Aug 2024 280th JayXon 🇺🇸 919 46 124ms 6 Aug 2024 280th Lydxn 🇨🇦 919 46 122ms 6 Aug 2024 280th emplv 🇱🇻 919 46 127ms 29 Oct 2024 280th lukegustafson 🇺🇸 919 46 126ms 3 Apr 2025 287th zacjl 917 44 1,564ms 3 Dec 2024 287th 2bular 917 44 24ms 18 Jun 2025 289th nwellnhof 🇩🇪 917 79 391ms 30 Jan 2022 289th JayXon 🇺🇸 917 79 387ms 30 Jan 2022 289th Lydxn 🇨🇦 917 79 401ms 31 Jan 2022 289th btnlq 917 79 386ms 11 Mar 2023 289th Yax42 🇫🇷 917 79 364ms 1 Aug 2025 289th AdrienHache 🇫🇷 917 79 362ms 14 Aug 2025 289th fuzzylojik-golf 🇺🇸 917 79 375ms 8 Sep 2025 289th sean-niemann 🇺🇸 917 79 375ms 21 Sep 2025 297th Lydxn 🇨🇦 916 54 911ms 29 Jan 2022 297th JayXon 🇺🇸 916 54 951ms 29 Jan 2022 297th primo-ppcg 🇹🇭 916 54 976ms 29 Jan 2022 297th sisyphus-ppcg 🇦🇺 916 54 1,047ms 2 Feb 2022 297th MeWhenI 🇻🇦 916 54 993ms 13 Nov 2022 297th stefangimmillaro 916 54 949ms 9 Dec 2022 297th Steffan153 🇫🇮 916 54 995ms 11 Feb 2023 297th emgordon154 916 54 857ms 17 Nov 2024 297th DialFrost 🇸🇬 916 54 937ms 17 Nov 2024 297th sean-niemann 🇺🇸 916 54 1,003ms 30 Dec 2024 297th edsrzf 🇳🇿 916 54 968ms 15 Jan 2025 297th pardouin 🇫🇷 916 54 990ms 10 Apr 2025 297th fuzzylojik-golf 🇺🇸 916 54 903ms 8 Sep 2025 310th Lydxn 🇨🇦 913 49 25ms 29 Jan 2022 310th btnlq 913 49 25ms 29 Jan 2022 312th itsh01 912 43 9ms 10 Feb 2022 312th 051 🇸🇬 912 43 8ms 19 Aug 2022 312th tayloia 🇬🇧 912 43 9ms 12 Jan 2023 312th eranws 912 43 9ms 8 Feb 2024 312th voytxt 🇨🇿 912 43 8ms 5 May 2024 312th Yewzir 🇧🇪 912 43 8ms 7 May 2024 312th dmrichwa 🇺🇸 912 43 9ms 22 Sep 2024 312th a6166231 🇨🇳 912 43 9ms 25 Apr 2025 312th dokutan 912 43 9ms 22 Sep 2025 First Prev 241–320 of 1,966 Next Last