The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Calendar 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 1st 2bular 0 42 32ms 19 Oct 2025 2nd ovs-code 🇩🇪 0 44 33ms 19 Oct 2025 2nd GolfingSuccess 🇬🇷 0 44 31ms 19 days ago 4th 2bular 0 84 101ms 46 hours ago 5th ovs-code 🇩🇪 0 87 407ms 3 days ago 6th GolfingSuccess 🇬🇷 0 98 529ms 29 Dec 2024 6th CornerMercury 🇬🇧 0 98 542ms 3 days ago 6th kg583 🇺🇸 0 98 532ms 3 days ago 6th pardouin 🇫🇷 0 98 612ms 33 hours ago 10th khvdm 0 99 15ms 28 Dec 2024 10th hallvabo 🇳🇴 0 99 15ms 28 Dec 2024 10th GolfingSuccess 🇬🇷 0 99 16ms 29 Dec 2024 10th btnlq 0 99 15ms 29 Dec 2024 10th m-tkach 🇺🇦 0 99 22ms 27 Apr 2025 10th 5cw 🇺🇸 0 99 15ms 4 May 2025 10th 4atj 0 99 17ms 23 Jun 2025 10th commandblockguy 🇺🇸 0 99 15ms 27 Aug 2025 10th commandblockguy 🇺🇸 0 99 563ms 1 Sep 2025 10th ryyyn 🇺🇸 0 99 15ms 19 Oct 2025 10th sunleonid 0 99 15ms 23 days ago 10th duckyluuk 🇳🇱 0 99 17ms 9 days ago 10th Seek64 🇩🇪 0 99 15ms 6 days ago 10th CornerMercury 🇬🇧 0 99 17ms 3 days ago 10th ovs-code 🇩🇪 0 99 18ms 3 days ago 10th ndren 0 99 18ms 3 days ago 10th AlephSquirrel 0 99 654ms 3 days ago 10th sean-niemann 🇺🇸 0 99 19ms 3 days ago 10th ryyyn 🇺🇸 0 99 724ms 3 days ago 10th bizy-coder 0 99 20ms 3 days ago 10th kg583 🇺🇸 0 99 23ms 3 days ago 10th blaztoma 🇱🇹 0 99 17ms 2 days ago 10th pardouin 🇫🇷 0 99 16ms 33 hours ago 10th Emutis 🇱🇹 0 99 20ms 32 hours ago 10th lukegustafson 🇺🇸 0 99 24ms 27 hours ago 10th rucin93 🇵🇱 0 99 19ms 18 hours ago 10th snoozingnewt 🇨🇦 0 99 629ms 3 hours ago 37th AlephSquirrel 0 101 15ms 28 Dec 2024 37th anter69 🇭🇺 0 101 16ms 25 days ago 37th enigma 0 101 17ms 2 days ago 37th qpwoeirut 0 101 25ms 28 hours ago 37th Mukundan314 0 101 18ms 23 hours ago 37th KatieLG 🇬🇧 0 101 17ms 11 hours ago 37th KatieLG 🇬🇧 0 101 691ms 11 hours ago 37th HPWiz 🇳🇿 0 101 16ms 6 hours ago 37th KasperKivimaeki 🇫🇮 0 101 20ms 4 hours ago 37th snoozingnewt 🇨🇦 0 101 19ms 3 hours ago 47th CaedenHarper 🇨🇦 0 102 487ms 7 Jan 2025 47th CLOStrophobic 🇮🇹 0 102 15ms 19 Jan 2025 47th GolfingSuccess 🇬🇷 0 102 89ms 5 Feb 2025 47th Aquateraneal 0 102 18ms 17 Nov 2025 51st davecame 0 103 16ms 7 May 2025 51st emgordon154 0 103 15ms 21 Jul 2025 51st bricknellj 0 103 17ms 20 Nov 2025 51st ahmetdemirag 🇨🇾 0 103 16ms 3 days ago 51st BREMAUCY 🇫🇷 0 103 17ms 3 days ago 51st luuumine 🇫🇷 0 103 24ms 2 days ago 57th CaedenHarper 🇨🇦 0 104 15ms 7 Jan 2025 58th Shanethegamer 🇺🇸 0 106 365ms 5 Mar 2025 59th plcc0 0 107 15ms 25 Mar 2025 59th albanian-laundromat 0 107 15ms 21 days ago 61st Matter1024 🇮🇳 0 108 16ms 16 Nov 2025 62nd Shanethegamer 🇺🇸 0 109 15ms 29 Dec 2024 62nd msbranicky 0 109 20ms 39 hours ago 64th ovs-code 🇩🇪 0 112 6ms 25 Oct 2025 65th 2bular 0 118 3ms 25 Oct 2025 65th bitsandbeyond 🇳🇱 0 118 502ms 26 Oct 2025 67th aksyristos 0 123 15ms 28 Feb 2025 68th dokutan 0 127 514ms 22 May 2025 69th dokutan 0 128 17ms 22 May 2025 69th Bmrl7 0 128 17ms 43 hours ago 71st Florian-Mt 0 129 24ms 8 hours ago 72nd jameswmccarty 0 132 15ms 29 Mar 2025 72nd paiv 0 132 15ms 16 Jun 2025 72nd stefangimmillaro 0 132 40ms 2 hours ago 75th DialFrost 🇸🇬 0 133 17ms 3 days ago 76th GrayJoKing 🇦🇺 0 134 186ms 38 hours ago 77th croc54 0 137 16ms 7 Feb 2025 78th TheZwierzLF 🇵🇱 0 139 17ms 3 days ago 79th pardouin 🇫🇷 0 141 35ms 18 hours ago 80th HumanoidCPU 0 142 486ms 3 days ago 1–80 of 123 Next Last
