The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
Day of Week 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 238th RYNO8 773 110 35ms 6 Oct 2025 242nd robertvansteen 766 111 22ms 5 Jan 2024 242nd alfonsoalves 766 111 13ms 21 Jul 2024 242nd IgnacioMoral22 766 111 25ms 23 Jul 2024 242nd truisseaux 766 111 22ms 4 Sep 2024 242nd nstearns96 🇬🇧 766 111 17ms 25 Oct 2024 242nd fgeorgatos 766 111 13ms 16 Dec 2024 248th KatieLG-Transpiler 🇬🇧 759 112 23ms 16 Aug 2024 249th andre-lameirinhas 🇵🇹 752 113 18ms 19 Apr 2023 250th hotmanga 746 114 22ms 26 Oct 2023 250th dragonshadows07 746 114 23ms 20 Jan 2024 252nd andrewl64 739 115 22ms 10 Jan 2024 253rd Eugen-str 733 116 14ms 31 Oct 2023 254th mrmena 🇦🇺 726 117 13ms 18 Mar 2024 254th jonathanAnguise 726 117 13ms 8 Jun 2024 256th kxwish 🇨🇦 714 119 14ms 12 Sep 2023 257th roupiq 🇵🇱 708 120 14ms 27 Feb 2024 257th Pale-Vessel 708 120 18ms 11 Apr 2024 259th zwxzwxzwx21 697 122 15ms 19 Dec 2023 260th TimSvensson 691 123 22ms 26 Nov 2023 260th Evytag 🇫🇷 691 123 24ms 9 Oct 2025 262nd PaulBadour 685 124 23ms 29 Oct 2023 262nd dylanjones92 685 124 21ms 22 Jan 2024 262nd inverseLorentz 🇦🇺 685 124 20ms 30 Apr 2024 265th jelleromer 680 125 18ms 21 Nov 2023 266th jensdewaard 649 131 17ms 19 Nov 2023 267th EthanJantz 630 135 21ms 5 Sep 2025 268th tobeannouncd 625 136 21ms 2 Jan 2024 269th MaxElf999 612 139 20ms 2 May 2023 270th fgrosshans 🇫🇷 607 140 11ms 29 Apr 2023 270th alexjurkiewicz 🇦🇺 607 140 14ms 7 Nov 2023 270th Mabeloid 🇳🇴 607 140 13ms 4 May 2025 273rd SOONwasTaken 599 142 19ms 19 Mar 2025 274th msbranicky 590 144 13ms 3 Jul 2023 274th amollberg 🇸🇪 590 144 21ms 20 Jan 2024 276th kejcao 🇨🇦 582 146 11ms 2 Aug 2024 277th PyryL 🇫🇮 574 148 11ms 25 Aug 2024 278th mbittner20 567 150 21ms 27 May 2023 278th azure-blondon 567 150 17ms 2 May 2024 280th cthierfelder 🇲🇨 556 153 18ms 17 Jul 2025 281st robin-scragg 541 157 17ms 21 Sep 2025 282nd codingisgreatbutiamnot 538 158 20ms 29 Jul 2024 283rd Mch47 535 159 12ms 29 Oct 2023 283rd stertooy 🇧🇪 535 159 11ms 12 Jun 2024 283rd unknown25001 535 159 11ms 21 Jul 2024 286th felicksLindgren 531 160 18ms 13 Sep 2024 287th ibixina 500 170 12ms 13 Oct 2024 288th ThatAlo 491 173 19ms 12 May 2023 288th humz2k 491 173 11ms 26 Sep 2024 290th Zhenyu-Bo 489 174 22ms 30 Jul 2025 291st hamilton-bonds 486 175 19ms 14 Jul 2023 292nd ridingqwerty 🇺🇸 475 179 19ms 26 Dec 2023 293rd cingulataluke 470 181 12ms 29 Aug 2023 294th elgan65536 459 185 11ms 1 Apr 2024 294th SectorCorruptor 459 185 11ms 25 Sep 2025 296th AtengChen 447 190 24ms 31 Aug 2024 297th dahappy1989 445 191 14ms 5 Nov 2023 298th Brayden1000 434 196 17ms 29 Oct 2023 299th Mathrew2012 427 199 12ms 7 Dec 2024 300th abcdhhhh 413 206 12ms 25 Aug 2024 301st bac0id 409 208 13ms 26 Sep 2023 302nd Player01osu 395 215 12ms 29 Oct 2023 303rd ApoChagi 390 218 12ms 25 Oct 2025 304th rahulbyte-js 386 220 13ms 21 Nov 2025 305th brimstonetrader 374 227 12ms 11 Jan 2024 306th jfallon1997 363 234 56ms 13 May 2024 307th CyberTapir 360 236 20ms 10 Sep 2024 308th galloj 🇨🇿 353 241 11ms 17 Oct 2024 309th zpiatt 350 243 12ms 31 Aug 2023 310th GolfGPT 343 248 22ms 19 Nov 2023 311th HumanoidCPU 336 253 17ms 31 Oct 2024 312th tpepython 335 254 16ms 5 Feb 2025 313th joshuamkite 299 284 17ms 20 Aug 2023 314th DGipe 269 316 12ms 25 Aug 2025 315th eli-siegel 245 347 12ms 27 Jun 2023 316th zt14427 215 395 133ms 10 Feb 2025 317th AidanWalter 151 564 14ms 3 Jan 2025 318th Upload-and-View 🇺🇦 130 656 12ms 23 Jul 2025 First Prev 241–318 of 318