The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Calendar in Python 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 khvdm 0 99 15ms 28 Dec 2024 1st hallvabo 🇳🇴 0 99 15ms 28 Dec 2024 1st GolfingSuccess 🇬🇷 0 99 16ms 29 Dec 2024 1st btnlq 0 99 15ms 29 Dec 2024 1st m-tkach 🇺🇦 0 99 22ms 27 Apr 2025 1st 5cw 🇺🇸 0 99 15ms 4 May 2025 1st 4atj 0 99 17ms 23 Jun 2025 1st commandblockguy 🇺🇸 0 99 15ms 27 Aug 2025 1st ryyyn 🇺🇸 0 99 15ms 19 Oct 2025 1st sunleonid 0 99 15ms 23 days ago 1st duckyluuk 🇳🇱 0 99 17ms 10 days ago 1st Seek64 🇩🇪 0 99 15ms 7 days ago 1st CornerMercury 🇬🇧 0 99 17ms 4 days ago 1st ovs-code 🇩🇪 0 99 18ms 3 days ago 1st ndren 0 99 18ms 3 days ago 1st sean-niemann 🇺🇸 0 99 19ms 3 days ago 1st bizy-coder 0 99 20ms 3 days ago 1st kg583 🇺🇸 0 99 23ms 3 days ago 1st blaztoma 🇱🇹 0 99 17ms 2 days ago 1st pardouin 🇫🇷 0 99 16ms 42 hours ago 1st Emutis 🇱🇹 0 99 20ms 41 hours ago 1st lukegustafson 🇺🇸 0 99 24ms 36 hours ago 1st rucin93 🇵🇱 0 99 19ms 27 hours ago 24th AlephSquirrel 0 101 15ms 28 Dec 2024 24th anter69 🇭🇺 0 101 16ms 25 days ago 24th enigma 0 101 17ms 2 days ago 24th qpwoeirut 0 101 25ms 37 hours ago 24th Mukundan314 0 101 18ms 32 hours ago 24th KatieLG 🇬🇧 0 101 17ms 19 hours ago 24th HPWiz 🇳🇿 0 101 16ms 15 hours ago 24th KasperKivimaeki 🇫🇮 0 101 17ms 13 hours ago 24th snoozingnewt 🇨🇦 0 101 19ms 12 hours ago 33rd CLOStrophobic 🇮🇹 0 102 15ms 19 Jan 2025 33rd Aquateraneal 0 102 18ms 17 Nov 2025 35th davecame 0 103 16ms 7 May 2025 35th emgordon154 0 103 15ms 21 Jul 2025 35th bricknellj 0 103 17ms 20 Nov 2025 35th ahmetdemirag 🇨🇾 0 103 16ms 3 days ago 35th BREMAUCY 🇫🇷 0 103 17ms 3 days ago 35th luuumine 🇫🇷 0 103 24ms 3 days ago 41st CaedenHarper 🇨🇦 0 104 15ms 7 Jan 2025 42nd Languag3 0 106 16ms 8 hours ago 43rd plcc0 0 107 15ms 25 Mar 2025 43rd albanian-laundromat 0 107 15ms 21 days ago 45th Matter1024 🇮🇳 0 108 16ms 16 Nov 2025 46th Shanethegamer 🇺🇸 0 109 15ms 29 Dec 2024 46th msbranicky 0 109 20ms 2 days ago 48th aksyristos 0 123 15ms 28 Feb 2025 49th dokutan 0 128 17ms 22 May 2025 49th Bmrl7 0 128 17ms 2 days ago 51st Florian-Mt 0 129 24ms 17 hours ago 52nd jameswmccarty 0 132 15ms 29 Mar 2025 52nd paiv 0 132 15ms 16 Jun 2025 54th DialFrost 🇸🇬 0 133 17ms 3 days ago 55th croc54 0 137 16ms 7 Feb 2025 56th TheZwierzLF 🇵🇱 0 139 17ms 3 days ago 57th Lv0Sys 🇵🇱 0 145 20ms 2 days ago 58th HumanoidCPU 0 150 17ms 3 days ago 59th yibotongxue 0 204 15ms 20 Sep 2025 1–59 of 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