The Calendar hole will go live in approximately 11 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 17 days ago 4th 2bular 0 84 101ms 2 hours ago 5th ovs-code 🇩🇪 0 87 407ms 41 hours ago 6th GolfingSuccess 🇬🇷 0 98 529ms 29 Dec 2024 6th CornerMercury 🇬🇧 0 98 542ms 43 hours ago 6th kg583 🇺🇸 0 98 532ms 30 hours ago 9th khvdm 0 99 15ms 28 Dec 2024 9th hallvabo 🇳🇴 0 99 15ms 28 Dec 2024 9th GolfingSuccess 🇬🇷 0 99 16ms 29 Dec 2024 9th btnlq 0 99 15ms 29 Dec 2024 9th m-tkach 🇺🇦 0 99 22ms 27 Apr 2025 9th 5cw 🇺🇸 0 99 15ms 4 May 2025 9th 4atj 0 99 17ms 23 Jun 2025 9th commandblockguy 🇺🇸 0 99 15ms 27 Aug 2025 9th commandblockguy 🇺🇸 0 99 563ms 1 Sep 2025 9th ryyyn 🇺🇸 0 99 15ms 19 Oct 2025 9th sunleonid 0 99 15ms 21 days ago 9th duckyluuk 🇳🇱 0 99 17ms 8 days ago 9th Seek64 🇩🇪 0 99 15ms 5 days ago 9th CornerMercury 🇬🇧 0 99 17ms 43 hours ago 9th ovs-code 🇩🇪 0 99 18ms 43 hours ago 9th ndren 0 99 18ms 41 hours ago 9th AlephSquirrel 0 99 654ms 39 hours ago 9th sean-niemann 🇺🇸 0 99 19ms 37 hours ago 9th ryyyn 🇺🇸 0 99 724ms 33 hours ago 9th bizy-coder 0 99 20ms 30 hours ago 9th kg583 🇺🇸 0 99 23ms 30 hours ago 9th blaztoma 🇱🇹 0 99 17ms 15 hours ago 31st AlephSquirrel 0 101 15ms 28 Dec 2024 31st anter69 🇭🇺 0 101 16ms 23 days ago 31st enigma 0 101 20ms 10 hours ago 34th CaedenHarper 🇨🇦 0 102 487ms 7 Jan 2025 34th CLOStrophobic 🇮🇹 0 102 15ms 19 Jan 2025 34th GolfingSuccess 🇬🇷 0 102 89ms 5 Feb 2025 34th Aquateraneal 0 102 18ms 17 Nov 2025 38th davecame 0 103 16ms 7 May 2025 38th emgordon154 0 103 15ms 21 Jul 2025 38th bricknellj 0 103 20ms 20 Nov 2025 38th ahmetdemirag 🇨🇾 0 103 16ms 38 hours ago 38th BREMAUCY 🇫🇷 0 103 17ms 37 hours ago 38th luuumine 🇫🇷 0 103 24ms 20 hours ago 38th Emutis 🇱🇹 0 103 17ms 43 mins ago 45th CaedenHarper 🇨🇦 0 104 15ms 7 Jan 2025 46th KasperKivimaeki 🇫🇮 0 105 16ms 41 hours ago 47th Shanethegamer 🇺🇸 0 106 365ms 5 Mar 2025 48th plcc0 0 107 15ms 25 Mar 2025 48th albanian-laundromat 0 107 15ms 19 days ago 50th Matter1024 🇮🇳 0 108 16ms 16 Nov 2025 51st Shanethegamer 🇺🇸 0 109 15ms 29 Dec 2024 52nd ovs-code 🇩🇪 0 112 6ms 25 Oct 2025 53rd 2bular 0 118 3ms 25 Oct 2025 53rd bitsandbeyond 🇳🇱 0 118 502ms 26 Oct 2025 55th aksyristos 0 123 15ms 28 Feb 2025 56th dokutan 0 127 514ms 22 May 2025 57th dokutan 0 128 17ms 22 May 2025 58th jameswmccarty 0 132 15ms 29 Mar 2025 58th paiv 0 132 15ms 16 Jun 2025 60th DialFrost 🇸🇬 0 133 17ms 40 hours ago 61st stefangimmillaro 0 135 35ms 27 mins ago 62nd croc54 0 137 16ms 7 Feb 2025 63rd TheZwierzLF 🇵🇱 0 139 17ms 43 hours ago 64th HumanoidCPU 0 142 486ms 33 hours ago 64th ovs-code 🇩🇪 0 142 38ms 19 hours ago 66th Lv0Sys 🇵🇱 0 145 20ms 18 hours ago 67th ovs-code 🇩🇪 0 148 14ms 2 Nov 2025 68th HumanoidCPU 0 150 17ms 33 hours ago 69th sean-niemann 🇺🇸 0 170 40ms 42 hours ago 70th lyphyser 0 173 54ms 10 Feb 2025 71st emplv 🇱🇻 0 182 12ms 4 hours ago 72nd Natanaelel 🇸🇪 0 188 51ms 12 hours ago 73rd attila8192 0 189 9ms 4 Mar 2025 73rd voytxt 🇨🇿 0 189 9ms 13 days ago 75th AdrienHache 🇫🇷 0 190 397ms 22 days ago 76th MeWhenI 🇻🇦 0 194 39ms 15 Apr 2025 77th targrik 0 195 9ms 23 hours ago 78th kg583 🇺🇸 0 201 43ms 6 May 2025 79th snoozingnewt 🇨🇦 0 202 15ms 4 Oct 2025 80th rucin93 🇵🇱 0 203 9ms 4 Mar 2025 1–80 of 103 Next Last
