The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Foo Fizz Buzz Bar in all languages in bytes. 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 Bytes Time Submitted 721st ovs-code 🇩🇪 910 127 3ms 14 Jul 2023 721st typeswitch-dev 🇵🇹 910 127 3ms 24 Jul 2023 723rd GrayJoKing 🇦🇺 909 77 251ms 21 Nov 2021 724th MeWhenI 🇻🇦 909 89 11ms 3 Jul 2023 725th Shanethegamer 🇺🇸 909 110 13ms 5 May 2024 726th byronknoll 🇺🇸 909 132 60ms 25 Jan 2024 727th SirBogman 🇺🇸 908 101 43ms 3 Jun 2025 728th GrayJoKing 🇦🇺 908 120 39ms 20 Jun 2022 728th 386asm 🇺🇸 908 120 40ms 27 Apr 2023 730th Shanethegamer 🇺🇸 907 105 100ms 15 Oct 2022 730th sisyphus-ppcg 🇦🇺 907 105 100ms 19 Oct 2022 730th stefangimmillaro 907 105 100ms 19 Oct 2022 730th sean-niemann 🇺🇸 907 105 104ms 19 Mar 2025 734th GrayJoKing 🇦🇺 906 106 3ms 12 Sep 2022 735th canissimia 🇦🇶 906 138 186ms 20 May 2023 736th GrayJoKing 🇦🇺 904 52 35ms 21 Nov 2021 737th Shanethegamer 🇺🇸 903 106 140ms 23 May 2023 737th btnlq 903 106 131ms 15 Oct 2023 739th btnlq 903 128 3ms 15 Jul 2023 739th GrayJoKing 🇦🇺 903 128 3ms 25 Jul 2023 741st jared-hughes 903 141 18ms 20 Dec 2024 742nd sean-niemann 🇺🇸 902 79 450ms 12 Mar 2025 743rd emgordon154 902 119 103ms 21 days ago 744th ovs-code 🇩🇪 902 133 449ms 28 Feb 2023 745th CaedenHarper 🇨🇦 902 138 456ms 3 Oct 2025 745th squid233 902 138 423ms 7 Nov 2025 747th emgordon154 902 145 3ms 15 Jan 2025 748th Natanaelel 🇸🇪 901 61 230ms 14 May 2023 749th retrohun 901 72 285ms 6 Oct 2024 750th didion0 🇺🇸 901 86 10ms 23 Nov 2021 750th MattShaile 901 86 10ms 20 Mar 2022 750th samthidny 901 86 10ms 20 Mar 2022 750th Irratix 🇳🇱 901 86 9ms 1 Apr 2022 750th Shanethegamer 🇺🇸 901 86 10ms 1 Apr 2022 750th 0x24a537r9 901 86 10ms 20 Aug 2022 750th DayDun 🇸🇪 901 86 9ms 17 Jan 2023 750th thisishowmymindworks 🇳🇴 901 86 10ms 8 Jun 2023 750th Maznek 901 86 13ms 1 Jul 2023 750th coreynash 901 86 10ms 15 Sep 2023 750th Davr1 🇨🇿 901 86 10ms 14 Oct 2023 750th byronknoll 🇺🇸 901 86 9ms 14 May 2024 750th 0scarB 901 86 12ms 14 Jun 2024 750th thadeucity 901 86 10ms 23 May 2025 764th SirBogman 🇺🇸 901 121 40ms 19 Jun 2022 765th Steffan153 🇫🇮 901 122 23ms 23 Aug 2024 766th PyPylia 🇦🇺 900 91 11ms 25 Nov 2021 766th EzraG101 900 91 11ms 26 Nov 2021 766th fynnkroeger 900 91 11ms 5 Dec 2021 766th olavaga 900 91 11ms 8 Dec 2021 766th petroselo 900 91 11ms 27 Dec 2021 766th Puperger 900 91 11ms 29 Dec 2021 766th raketexyz 900 91 11ms 29 Dec 2021 766th neburcraft 900 91 43ms 30 Dec 2021 766th amollberg 🇸🇪 900 91 11ms 25 Jan 2022 766th shibacho 🇯🇵 900 91 11ms 29 Jan 2022 766th kyleclaassen 900 91 11ms 8 Feb 2022 766th DaleNaci 900 91 10ms 27 Mar 2022 766th EthanGrant1 900 91 11ms 18 Apr 2022 766th GeneralTwi 900 91 11ms 28 Apr 2022 766th twocatsinatrenchcoat 900 91 11ms 4 May 2022 766th ophact 900 91 10ms 22 May 2022 766th AdamHe17 900 91 11ms 1 Jun 2022 766th AliceFord 900 91 44ms 2 Jun 2022 766th bbakersmith 900 91 43ms 6 Jun 2022 766th nullie 900 91 11ms 8 Jun 2022 766th yzhs 🇩🇪 900 91 11ms 16 Jun 2022 766th juan-cazalvilla 900 91 10ms 26 Jun 2022 766th markovist 900 91 42ms 16 Aug 2022 766th AodhanDalton 900 91 10ms 2 Sep 2022 766th shinylego 900 91 11ms 14 Sep 2022 766th richard-oelze 🇩🇪 900 91 14ms 16 Sep 2022 766th murugan-k-0204 900 91 11ms 5 Oct 2022 766th bobhope44 900 91 44ms 8 Oct 2022 766th mhorton86 900 91 11ms 11 Oct 2022 766th no53488 900 91 10ms 28 Nov 2022 766th tooningelaere 900 91 11ms 3 Dec 2022 766th jumelet 🇳🇱 900 91 12ms 21 Dec 2022 766th badboj40 900 91 10ms 26 Dec 2022 766th aVitness 900 91 10ms 13 Jan 2023 766th farazht 900 91 11ms 17 Feb 2023 First Prev 721–800 of 3,396 Next Last