The Calendar hole will go live in approximately 5 days. Why not try and solve it ahead of time?
Calendar in Python 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 khvdm 0 75 15ms 28 Dec 2024 1st hallvabo 🇳🇴 0 75 16ms 28 Dec 2024 1st GolfingSuccess 🇬🇷 0 75 16ms 29 Dec 2024 1st m-tkach 🇺🇦 0 75 15ms 27 Apr 2025 1st sunleonid 0 75 16ms 27 days ago 1st Seek64 🇩🇪 0 75 16ms 11 days ago 1st CornerMercury 🇬🇧 0 75 17ms 8 days ago 1st ndren 0 75 16ms 7 days ago 1st sean-niemann 🇺🇸 0 75 21ms 7 days ago 1st kg583 🇺🇸 0 75 16ms 7 days ago 1st pardouin 🇫🇷 0 75 17ms 5 days ago 1st emgordon154 0 75 18ms 46 hours ago 13th anter69 🇭🇺 0 76 15ms 27 Nov 2025 14th luuumine 🇫🇷 0 77 18ms 7 days ago 15th albanian-laundromat 0 81 16ms 19 Apr 2025 16th dokutan 0 89 17ms 15 Jun 2025 17th btnlq 0 99 15ms 29 Dec 2024 17th 5cw 🇺🇸 0 99 15ms 4 May 2025 17th 4atj 0 99 17ms 23 Jun 2025 17th commandblockguy 🇺🇸 0 99 15ms 27 Aug 2025 17th ryyyn 🇺🇸 0 99 15ms 19 Oct 2025 17th duckyluuk 🇳🇱 0 99 17ms 14 days ago 17th ovs-code 🇩🇪 0 99 18ms 8 days ago 17th bizy-coder 0 99 16ms 7 days ago 17th blaztoma 🇱🇹 0 99 17ms 6 days ago 17th Emutis 🇱🇹 0 99 17ms 5 days ago 17th lukegustafson 🇺🇸 0 99 17ms 5 days ago 17th rucin93 🇵🇱 0 99 16ms 5 days ago 17th CaedenHarper 🇨🇦 0 99 16ms 2 days ago 30th HumanoidCPU 0 100 16ms 7 days ago 31st AlephSquirrel 0 101 15ms 28 Dec 2024 31st enigma 0 101 17ms 6 days ago 31st qpwoeirut 0 101 20ms 5 days ago 31st Mukundan314 0 101 16ms 5 days ago 31st KatieLG 🇬🇧 0 101 17ms 4 days ago 31st HPWiz 🇳🇿 0 101 16ms 4 days ago 31st KasperKivimaeki 🇫🇮 0 101 17ms 4 days ago 31st snoozingnewt 🇨🇦 0 101 19ms 4 days ago 31st ahmetdemirag 🇨🇾 0 101 17ms 2 days ago 40th CLOStrophobic 🇮🇹 0 102 15ms 19 Jan 2025 40th Aquateraneal 0 102 18ms 17 Nov 2025 42nd davecame 0 103 16ms 7 May 2025 42nd bricknellj 0 103 17ms 20 Nov 2025 42nd BREMAUCY 🇫🇷 0 103 17ms 7 days ago 45th madex 🇩🇪 0 105 16ms 3 days ago 46th Languag3 0 106 16ms 4 days ago 47th plcc0 0 107 15ms 25 Mar 2025 48th Matter1024 🇮🇳 0 108 16ms 16 Nov 2025 49th Shanethegamer 🇺🇸 0 109 15ms 29 Dec 2024 49th msbranicky 0 109 16ms 6 days ago 51st aksyristos 0 123 15ms 28 Feb 2025 52nd Bmrl7 0 128 17ms 6 days ago 53rd Florian-Mt 0 129 16ms 4 days ago 54th jameswmccarty 0 132 15ms 29 Mar 2025 54th paiv 0 132 15ms 16 Jun 2025 54th jared-hughes 0 132 16ms 10 hours ago 57th DialFrost 🇸🇬 0 133 17ms 7 days ago 58th martindotexe 🇳🇴 0 135 18ms 20 hours ago 59th NoneTheFewer 0 136 16ms 12 hours ago 60th croc54 0 137 16ms 7 Feb 2025 61st TheZwierzLF 🇵🇱 0 139 17ms 8 days ago 62nd Lv0Sys 🇵🇱 0 145 20ms 7 days ago 63rd yibotongxue 0 204 15ms 20 Sep 2025 1–63 of 63