The Calendar hole will go live in approximately 32 hours. 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 866th Alex-x90 🇺🇸 0 65 10ms 28 Nov 2024 866th zacjl 0 65 14ms 1 Dec 2024 866th zacjl 0 65 6ms 1 Dec 2024 866th sisyphus-ppcg 🇦🇺 0 65 10ms 2 Dec 2024 866th SirBogman 🇺🇸 0 65 10ms 3 Dec 2024 866th xsot 🇸🇬 0 65 12ms 4 Dec 2024 866th ndren 0 65 14ms 5 Dec 2024 866th lukegustafson 🇺🇸 0 65 12ms 7 Dec 2024 866th Europe2048 0 65 10ms 7 Dec 2024 866th neel11235813 0 65 10ms 9 Dec 2024 866th Seek64 🇩🇪 0 65 10ms 10 Dec 2024 866th MeWhenI 🇻🇦 0 65 2ms 11 Dec 2024 866th antimon2 🇯🇵 0 65 12ms 16 Dec 2024 866th error256 0 65 8ms 16 Dec 2024 866th edsrzf 🇳🇿 0 65 9ms 18 Dec 2024 866th bizy-coder 0 65 13ms 28 Dec 2024 866th Bulmenisaurus 0 65 10ms 1 Jan 2025 866th m-tkach 🇺🇦 0 65 127ms 3 Jan 2025 866th emgordon154 0 65 7ms 11 Jan 2025 866th prplz 🇦🇺 0 65 10ms 23 Jan 2025 866th kg583 🇺🇸 0 65 7ms 23 Jan 2025 866th CLOStrophobic 🇮🇹 0 65 6ms 23 Jan 2025 866th mathisfun271 0 65 10ms 25 Jan 2025 866th Natanaelel 🇸🇪 0 65 10ms 26 Jan 2025 866th Shanethegamer 🇺🇸 0 65 10ms 30 Jan 2025 866th firegene 🇮🇪 0 65 13ms 30 Jan 2025 866th Lydxn 🇨🇦 0 65 10ms 31 Jan 2025 866th commandblockguy 🇺🇸 0 65 12ms 2 Feb 2025 866th GolfingSuccess 🇬🇷 0 65 7ms 3 Feb 2025 866th bricknellj 0 65 10ms 5 Feb 2025 866th qpwoeirut 0 65 4,572ms 7 Feb 2025 866th xyangst 0 65 11ms 14 Feb 2025 866th emgordon154 0 65 48ms 17 Feb 2025 866th acotis 0 65 615ms 18 Feb 2025 866th gigaprofisi 🇺🇸 0 65 448ms 3 Mar 2025 866th GolfingSuccess 🇬🇷 0 65 127ms 6 Mar 2025 866th Jacob385 0 65 3ms 19 Mar 2025 866th 4atj 0 65 10ms 10 Apr 2025 866th orthoplex 🇨🇽 0 65 11ms 16 Apr 2025 866th MeWhenI 🇻🇦 0 65 7ms 17 Apr 2025 866th DialFrost 🇸🇬 0 65 6ms 17 Apr 2025 866th DialFrost 🇸🇬 0 65 10ms 17 Apr 2025 866th error256 0 65 12ms 17 Apr 2025 866th edsrzf 🇳🇿 0 65 126ms 17 Apr 2025 866th edsrzf 🇳🇿 0 65 4ms 18 Apr 2025 866th HumanoidCPU 0 65 11ms 18 Apr 2025 866th HumanoidCPU 0 65 130ms 18 Apr 2025 866th DialFrost 🇸🇬 0 65 131ms 18 Apr 2025 866th BlankSpruce 0 65 11ms 18 Apr 2025 866th Shanethegamer 🇺🇸 0 65 137ms 18 Apr 2025 866th CaedenHarper 🇨🇦 0 65 9ms 18 Apr 2025 866th CaedenHarper 🇨🇦 0 65 130ms 18 Apr 2025 866th undefinedRyan 0 65 10ms 19 Apr 2025 866th DialFrost 🇸🇬 0 65 4ms 20 Apr 2025 866th dokutan 0 65 7ms 28 Apr 2025 866th RYSF13 🇨🇳 0 65 2ms 13 May 2025 866th Shanethegamer 🇺🇸 0 65 3ms 13 May 2025 866th Moltres-Galar 🇺🇦 0 65 12ms 21 May 2025 866th fuzzylojik-golf 🇺🇸 0 65 11ms 5 Jun 2025 866th codingisgreatbutiamnot 0 65 12ms 7 Jun 2025 866th cros107 🇦🇺 0 65 10ms 14 Jun 2025 866th long279595192 0 65 12ms 20 Jun 2025 866th jiji7879 0 65 10ms 20 Jun 2025 866th zijinoier 0 65 12ms 25 Jun 2025 866th dirckvdende 0 65 10ms 30 Jun 2025 866th BREMAUCY 🇫🇷 0 65 10ms 1 Jul 2025 866th Quentin-AC 0 65 13ms 2 Jul 2025 866th Jak-Ch-ll 0 65 12ms 6 Jul 2025 866th Flekay 🇩🇪 0 65 11ms 10 Jul 2025 866th klixel 🇨🇦 0 65 10ms 11 Jul 2025 866th Bpc-CPU 0 65 763ms 12 Jul 2025 866th KasperKivimaeki 🇫🇮 0 65 13ms 15 Jul 2025 866th Nyandereian 0 65 13ms 15 Jul 2025 866th itu-itis21-akkoyuno21 0 65 14ms 15 Jul 2025 866th GrayJoKing 🇦🇺 0 65 13ms 18 Jul 2025 866th LostSyntax21 🇬🇧 0 65 12ms 19 Jul 2025 866th yjgnaw 0 65 10ms 24 Jul 2025 866th oween12 0 65 10ms 6 Aug 2025 866th xiaoyiming123 0 65 10ms 11 Aug 2025 866th EthanJantz 0 65 11ms 12 Aug 2025 First Prev 881–960 of 2,974 Next Last