The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
Day of Week 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 155th yuchuehw 708 96 14ms 13 May 2024 162nd juliusgeo 701 97 21ms 19 Apr 2023 162nd Just4FunCoder 701 97 13ms 27 Oct 2023 164th ssbhatt4321 694 98 13ms 11 Jun 2023 164th hiichbindermax 694 98 13ms 27 Jul 2024 164th denisfouchard 694 98 14ms 23 Aug 2025 164th vhoulbreque 🇫🇷 694 98 27ms 17 days ago 168th aksyristos 687 99 14ms 17 Apr 2023 168th TaserTheFox 🇺🇸 687 99 20ms 17 Apr 2023 168th ehulinsky 🇺🇸 687 99 17ms 10 May 2023 168th minhtrancccp 687 99 24ms 1 Nov 2023 168th roguh 🇬🇹 687 99 14ms 22 Jan 2024 168th namelessiw 687 99 14ms 21 Feb 2024 168th jtaxen 687 99 18ms 22 Mar 2024 168th christensendaniel 687 99 14ms 14 May 2024 168th abhishekg999 687 99 32ms 22 Sep 2024 168th moustave 687 99 14ms 7 Jan 2025 168th sciencejiho 687 99 13ms 10 Feb 2025 168th 0dyse 687 99 18ms 15 Apr 2025 168th Voltrifrodec 🇸🇰 687 99 14ms 27 Apr 2025 168th Flekay 🇩🇪 687 99 15ms 18 Jun 2025 168th CoolBvll 687 99 19ms 10 Jul 2025 168th michelebastione 🇮🇹 687 99 14ms 6 Aug 2025 168th jacekwladzinski 687 99 14ms 4 Oct 2025 185th OCNeve 680 100 17ms 18 Jun 2024 186th uttumuttu 🇫🇮 673 101 16ms 22 Dec 2023 186th jameswmccarty 673 101 13ms 6 Mar 2025 188th Natanaelel 🇸🇪 667 102 14ms 18 Apr 2023 188th VV1Git 667 102 14ms 19 Apr 2023 188th sbatllori 667 102 23ms 25 Aug 2023 188th itsrenderman 667 102 22ms 30 Sep 2023 188th pde-bakk 🇳🇱 667 102 22ms 23 Oct 2023 188th ktanaka 667 102 13ms 11 Jan 2024 188th Krtecik 667 102 22ms 9 Feb 2024 188th qwjhvbxi 667 102 22ms 9 Feb 2024 188th pkilar43 667 102 22ms 9 Feb 2024 188th Trusly 667 102 21ms 27 Feb 2024 188th NoneTheFewer 667 102 22ms 17 May 2024 188th FranklinJiaChen 667 102 23ms 1 Jul 2024 188th lchaumartin 667 102 22ms 22 Aug 2024 188th alemelis 667 102 22ms 13 Sep 2024 188th ComputerKWasTaken 🇺🇸 667 102 22ms 24 Sep 2024 188th codewrite 🇬🇧 667 102 21ms 19 Apr 2025 188th kistlerf 🇨🇭 667 102 27ms 14 May 2025 188th ffelixm 667 102 21ms 1 Jun 2025 188th Andrey2001 667 102 38ms 25 days ago 207th MichalMarsalek 🇨🇿 660 103 13ms 16 Apr 2023 207th adamnielson42 🇺🇸 660 103 18ms 4 May 2023 207th NickTheEASDude 🇺🇸 660 103 14ms 29 Jan 2024 207th CutSandstone 660 103 13ms 4 Jul 2024 207th NanduBC 660 103 23ms 3 Sep 2024 207th FEZfan 🇦🇺 660 103 24ms 18 Apr 2025 207th TheZwierzLF 🇵🇱 660 103 14ms 21 Nov 2025 214th OllieBoyne 🇬🇧 654 104 23ms 17 Apr 2023 214th Eilonlif 🇮🇱 654 104 21ms 17 Apr 2023 214th Ripick 654 104 24ms 12 May 2023 214th eddvrs 654 104 21ms 18 May 2023 214th fbe 654 104 22ms 26 May 2023 214th Wildst 654 104 14ms 6 Jul 2023 214th cefqrn 654 104 23ms 1 Nov 2023 214th bsoyka 🇺🇸 654 104 21ms 25 Nov 2023 214th neihousaigaai 654 104 21ms 11 Feb 2024 214th wilhelmines 654 104 13ms 1 Jun 2024 214th jiaminglimjm 🇲🇾 654 104 21ms 5 Jul 2024 214th JesseNoEyes 🇺🇸 654 104 13ms 18 Sep 2024 214th Rago-Tony 654 104 22ms 11 Jul 2025 227th bbnumber2 648 105 14ms 29 Oct 2023 227th PowershellKnut 🇳🇴 648 105 23ms 7 Jan 2024 227th samual-hain 648 105 21ms 4 Apr 2024 227th ihatethefrench 648 105 14ms 3 Jan 2025 227th robin-scragg 648 105 17ms 6 Jul 2025 232nd Aquateraneal 642 106 18ms 11 Aug 2025 232nd imoxyg 642 106 22ms 29 Aug 2025 234th DrPrettyman 636 107 21ms 5 Jul 2023 234th kkoenig 636 107 14ms 22 Dec 2023 236th Florian-Mt 630 108 15ms 24 Sep 2023 237th CedricGebistorf 624 109 21ms 3 May 2023 237th xbxbxb007 624 109 22ms 10 Jan 2024 237th DonCharlesLambert 624 109 21ms 27 Feb 2024 237th mm1013g 624 109 21ms 8 Sep 2024 First Prev 161–240 of 318 Next Last
