The Calendar hole will go live in approximately 42 hours. Why not try and solve it ahead of time?
Foo Fizz Buzz Bar in Rust 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 1st acotis 1,000 129 157ms 14 Oct 2025 1st JayXon 🇺🇸 1,000 129 157ms 15 Oct 2025 1st kumavale 1,000 129 161ms 16 Oct 2025 4th andersk 🇺🇸 935 138 129ms 7 Nov 2022 5th Natanaelel 🇸🇪 884 146 177ms 26 Jul 2025 6th lynn 878 147 160ms 7 Jul 2024 7th SirBogman 🇺🇸 872 148 125ms 4 Oct 2023 7th stefangimmillaro 872 148 129ms 19 Oct 2023 7th emgordon154 872 148 176ms 26 Feb 2025 10th akusumoto 🇯🇵 822 157 124ms 20 Apr 2022 11th btjones0 806 160 153ms 19 Jun 2022 12th elgan65536 801 161 126ms 26 Oct 2023 13th xyangst 787 164 152ms 3 Oct 2024 14th ovs-code 🇩🇪 777 166 155ms 23 Apr 2025 15th kgodara 768 168 151ms 16 Mar 2023 16th jared-hughes 763 169 152ms 10 Nov 2022 17th luuumine 🇫🇷 754 171 150ms 15 Nov 2025 18th Awsute 746 173 151ms 16 Feb 2022 18th ian-h-chamberlain 🇺🇸 746 173 124ms 28 Jun 2022 18th msbranicky 746 173 123ms 6 Oct 2023 21st sona-tau 733 176 146ms 10 Mar 2023 22nd Yewzir 🇧🇪 729 177 125ms 7 Feb 2024 23rd CarsonChr 🇺🇸 725 178 128ms 14 Jan 2024 24th edsrzf 🇳🇿 721 179 140ms 22 Nov 2024 25th raketexyz 717 180 150ms 18 Dec 2021 25th verticallity 717 180 158ms 6 Apr 2022 27th Logicless-Coder 705 183 122ms 19 Mar 2023 28th ArmaanAS 701 184 153ms 27 Nov 2021 29th JGDoerrer 694 186 124ms 11 Jan 2022 30th janbehrens 🇩🇪 686 188 135ms 23 Nov 2021 30th Arkadios200 686 188 181ms 11 Oct 2025 32nd Shanethegamer 🇺🇸 683 189 126ms 24 Jan 2023 33rd dokutan 679 190 138ms 30 Jul 2024 34th Pena86 675 191 146ms 25 Dec 2021 35th ZachClayburn 668 193 157ms 26 Jul 2022 36th jhpaques 🇫🇷 662 195 122ms 30 Nov 2022 37th Ernest1338 658 196 122ms 20 Feb 2022 38th snoozingnewt 🇨🇦 639 202 120ms 6 Nov 2025 39th Siri-chan 635 203 124ms 29 Dec 2022 40th JustJakeee 632 204 148ms 18 May 2022 40th TannerJ07 🇺🇸 632 204 123ms 5 Apr 2025 42nd kitzurea 620 208 139ms 7 hours ago 43rd Trusly 614 210 146ms 26 Feb 2024 44th Aurel300 🇨🇭 611 211 127ms 5 Jun 2024 45th Florian-Mt 600 215 190ms 22 Jul 2024 46th WatMan77 594 217 123ms 9 May 2024 47th Jaymesv2 578 223 124ms 24 Nov 2021 47th Posandu 578 223 154ms 11 Sep 2022 49th MeWhenI 🇻🇦 556 232 135ms 22 Nov 2021 50th shibacho 🇯🇵 551 234 145ms 3 Aug 2022 51st lordclips 518 249 157ms 9 Mar 2024 52nd HazeSystem 416 310 145ms 18 Jan 2023 53rd ir3456 385 335 151ms 8 Sep 2023 54th 53hornet 379 340 122ms 6 Jul 2022 55th christensendaniel 278 464 142ms 14 May 2024 56th JackieAlacrity2373 275 469 146ms 11 Jun 2024 57th TheMadRey 237 545 131ms 3 Mar 2024 58th Jo0n4s 176 731 134ms 28 Feb 2024 59th KatieLG 🇬🇧 84 1,532 235ms 30 Nov 2025 60th retrohun 22 5,739 108ms 27 Dec 2022 60th HumanoidCPU 22 5,739 110ms 11 May 2024 60th Mabeloid 🇳🇴 22 5,739 108ms 18 Sep 2024 60th CaedenHarper 🇨🇦 22 5,739 107ms 16 Aug 2025 64th KatieLG-Transpiler 🇬🇧 19 6,741 107ms 24 Jun 2022 1–64 of 64
