The Calendar hole will go live in approximately 5 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 23 days ago 4th 2bular 0 84 109ms 6 days ago 5th ovs-code 🇩🇪 0 87 407ms 7 days ago 6th GolfingSuccess 🇬🇷 0 98 529ms 29 Dec 2024 6th CornerMercury 🇬🇧 0 98 542ms 7 days ago 6th kg583 🇺🇸 0 98 532ms 7 days ago 6th pardouin 🇫🇷 0 98 612ms 5 days ago 6th CaedenHarper 🇨🇦 0 98 507ms 2 days ago 6th emgordon154 0 98 573ms 43 hours ago 12th khvdm 0 99 15ms 28 Dec 2024 12th hallvabo 🇳🇴 0 99 15ms 28 Dec 2024 12th GolfingSuccess 🇬🇷 0 99 16ms 29 Dec 2024 12th btnlq 0 99 15ms 29 Dec 2024 12th m-tkach 🇺🇦 0 99 22ms 27 Apr 2025 12th 5cw 🇺🇸 0 99 15ms 4 May 2025 12th 4atj 0 99 17ms 23 Jun 2025 12th commandblockguy 🇺🇸 0 99 15ms 27 Aug 2025 12th commandblockguy 🇺🇸 0 99 563ms 1 Sep 2025 12th ryyyn 🇺🇸 0 99 15ms 19 Oct 2025 12th sunleonid 0 99 15ms 27 days ago 12th duckyluuk 🇳🇱 0 99 17ms 14 days ago 12th Seek64 🇩🇪 0 99 15ms 11 days ago 12th CornerMercury 🇬🇧 0 99 17ms 7 days ago 12th ovs-code 🇩🇪 0 99 18ms 7 days ago 12th ndren 0 99 17ms 7 days ago 12th AlephSquirrel 0 99 651ms 7 days ago 12th sean-niemann 🇺🇸 0 99 17ms 7 days ago 12th ryyyn 🇺🇸 0 99 548ms 7 days ago 12th bizy-coder 0 99 16ms 7 days ago 12th kg583 🇺🇸 0 99 17ms 7 days ago 12th blaztoma 🇱🇹 0 99 17ms 6 days ago 12th pardouin 🇫🇷 0 99 16ms 5 days ago 12th Emutis 🇱🇹 0 99 17ms 5 days ago 12th lukegustafson 🇺🇸 0 99 17ms 5 days ago 12th rucin93 🇵🇱 0 99 16ms 5 days ago 12th snoozingnewt 🇨🇦 0 99 573ms 4 days ago 12th emgordon154 0 99 17ms 3 days ago 12th CaedenHarper 🇨🇦 0 99 16ms 2 days ago 41st AlephSquirrel 0 101 15ms 28 Dec 2024 41st anter69 🇭🇺 0 101 16ms 26 Nov 2025 41st enigma 0 101 17ms 6 days ago 41st qpwoeirut 0 101 20ms 5 days ago 41st Mukundan314 0 101 16ms 5 days ago 41st KatieLG 🇬🇧 0 101 17ms 4 days ago 41st KatieLG 🇬🇧 0 101 587ms 4 days ago 41st HPWiz 🇳🇿 0 101 16ms 4 days ago 41st KasperKivimaeki 🇫🇮 0 101 17ms 4 days ago 41st snoozingnewt 🇨🇦 0 101 19ms 4 days ago 41st ahmetdemirag 🇨🇾 0 101 17ms 2 days ago 52nd CLOStrophobic 🇮🇹 0 102 15ms 19 Jan 2025 52nd GolfingSuccess 🇬🇷 0 102 89ms 5 Feb 2025 52nd Aquateraneal 0 102 18ms 17 Nov 2025 55th davecame 0 103 16ms 7 May 2025 55th bricknellj 0 103 17ms 20 Nov 2025 55th BREMAUCY 🇫🇷 0 103 17ms 7 days ago 55th luuumine 🇫🇷 0 103 17ms 7 days ago 59th madex 🇩🇪 0 105 16ms 3 days ago 60th Shanethegamer 🇺🇸 0 106 365ms 5 Mar 2025 60th Languag3 0 106 16ms 4 days ago 62nd plcc0 0 107 15ms 25 Mar 2025 62nd albanian-laundromat 0 107 15ms 25 days ago 64th Matter1024 🇮🇳 0 108 16ms 16 Nov 2025 65th Shanethegamer 🇺🇸 0 109 15ms 29 Dec 2024 65th msbranicky 0 109 16ms 5 days ago 67th ovs-code 🇩🇪 0 112 6ms 25 Oct 2025 68th 2bular 0 118 3ms 25 Oct 2025 68th bitsandbeyond 🇳🇱 0 118 502ms 26 Oct 2025 70th aksyristos 0 123 15ms 28 Feb 2025 71st dokutan 0 127 514ms 22 May 2025 72nd dokutan 0 128 17ms 22 May 2025 72nd Bmrl7 0 128 17ms 6 days ago 74th Florian-Mt 0 129 16ms 4 days ago 75th jameswmccarty 0 132 15ms 29 Mar 2025 75th paiv 0 132 15ms 16 Jun 2025 75th stefangimmillaro 0 132 38ms 4 days ago 75th jared-hughes 0 132 16ms 8 hours ago 79th DialFrost 🇸🇬 0 133 17ms 7 days ago 80th GrayJoKing 🇦🇺 0 134 204ms 5 days ago 1–80 of 140 Next Last
