The Calendar hole will go live in approximately 11 days. Why not try and solve it ahead of time?
Foo Fizz Buzz Bar in all languages in chars. 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 641st ovs-code 🇩🇪 865 120 508ms 4 Mar 2022 642nd snoozingnewt 🇨🇦 865 143 801ms 16 Oct 2025 643rd dokutan 864 85 698ms 30 Aug 2025 644th voidcoefficient 864 89 10ms 23 Nov 2021 644th inventshah 864 89 10ms 25 Nov 2021 644th TechNolaByte 864 89 10ms 26 Nov 2021 644th sleepyStick 864 89 10ms 4 Dec 2021 644th Giga-Bowser 864 89 9ms 6 Dec 2021 644th tristan-f-r 864 89 9ms 16 Dec 2021 644th tomisaacmarshall 864 89 9ms 26 Dec 2021 644th rbrdl 864 89 9ms 29 Dec 2021 644th ershadi-sayuri 864 89 10ms 13 Jan 2022 644th fitzdotlol 🇺🇸 864 89 10ms 18 Feb 2022 644th teofum 864 89 10ms 8 Mar 2022 644th sultan 864 89 10ms 13 Apr 2022 644th jb-lopez 🇺🇸 864 89 9ms 19 Apr 2022 644th ArekX 864 89 9ms 11 May 2022 644th jshji252 864 89 10ms 19 May 2022 644th solmyr2000 864 89 9ms 8 Jun 2022 644th maxpelic 🇺🇸 864 89 9ms 5 Jul 2022 644th vroup 🇩🇰 864 89 9ms 29 Sep 2022 644th CatsAreFluffy 864 89 9ms 22 Nov 2022 644th Nicronmil 864 89 10ms 24 Nov 2022 644th YPuest 864 89 9ms 20 Dec 2022 644th varhammer 🇷🇺 864 89 10ms 2 Jan 2023 644th aksyristos 864 89 9ms 2 Jan 2023 644th amiralitaheri 864 89 9ms 14 Feb 2023 644th Isaac-NTT 864 89 9ms 23 Jun 2023 644th ollyspooner 864 89 9ms 27 Jul 2023 644th daniel-cardone 864 89 11ms 23 Aug 2023 644th Kamikadze4GAME 864 89 9ms 21 Sep 2023 644th guiohm 864 89 9ms 22 Oct 2023 644th derekthatcher 864 89 9ms 29 Nov 2023 644th Just4FunCoder 864 89 10ms 6 Dec 2023 644th Michiocre 864 89 10ms 20 Feb 2024 644th ggtylerr 864 89 9ms 18 Jun 2024 644th harcma 864 89 10ms 30 Jun 2024 644th Andrey-Plotnikov 864 89 9ms 23 Oct 2024 644th lifthrasiir 🇰🇷 864 89 10ms 15 Nov 2024 644th eTrey13 864 89 9ms 3 Feb 2025 644th malworthy 864 89 10ms 7 Mar 2025 644th smclaughlin-cf 864 89 9ms 20 Mar 2025 644th jake6192 864 89 9ms 16 May 2025 644th cloudyshoe 864 89 9ms 23 May 2025 644th acollett89 864 89 10ms 3 Jun 2025 644th 4very 864 89 9ms 7 Jun 2025 644th iczelia 🇩🇪 864 89 9ms 20 Oct 2025 688th SirFireball3521 863 57 244ms 16 Mar 2023 689th sean-niemann 🇺🇸 863 79 450ms 12 Mar 2025 690th edsrzf 🇳🇿 863 116 43ms 6 Feb 2025 691st tailorspy 863 138 87ms 18 Sep 2024 692nd SirBogman 🇺🇸 862 55 2ms 15 Dec 2023 692nd emgordon154 862 55 3ms 3 Nov 2024 694th frosster 862 117 3ms 25 Mar 2025 695th Shanethegamer 🇺🇸 861 81 91ms 25 Mar 2023 696th swbbl 860 76 241ms 5 Feb 2022 696th thed1n 860 76 247ms 9 Jun 2022 696th ehmiiz 🇸🇪 860 76 276ms 21 Jun 2022 696th markroloff 860 76 253ms 24 Jul 2022 696th Clebam 🇫🇷 860 76 260ms 26 Jul 2022 696th KevinLaux 860 76 270ms 2 Nov 2022 696th Tadas 860 76 284ms 23 Feb 2024 696th MarkE0 860 76 257ms 30 Apr 2024 704th SirBogman 🇺🇸 860 110 134ms 4 Oct 2023 705th Alex-x90 🇺🇸 860 112 2ms 19 May 2023 705th JohandeRuiter 🇳🇱 860 112 2ms 27 Nov 2023 705th Bmrl7 860 112 3ms 27 Dec 2023 705th byronknoll 🇺🇸 860 112 2ms 21 Jan 2024 709th YPuest 859 93 6ms 15 Feb 2023 709th rus13th 859 93 5ms 4 Oct 2024 711th MeWhenI 🇻🇦 858 47 47ms 28 Jul 2022 711th fuzzylojik-golf 🇺🇸 858 47 71ms 31 Aug 2025 713th Shanethegamer 🇺🇸 858 121 460ms 13 Dec 2022 714th Lydxn 🇨🇦 857 107 407ms 28 Apr 2022 714th Steffan153 🇫🇮 857 107 355ms 12 Feb 2023 714th feberhard 857 107 391ms 7 Apr 2023 714th sean-niemann 🇺🇸 857 107 395ms 20 Jun 2025 718th AlephSquirrel 857 133 4ms 2 Aug 2024 719th jared-hughes 856 139 501ms 24 Jun 2022 719th tim-trimble 856 139 73ms 4 Aug 2022 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