The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
Day of Week 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 138th chartung17 949 71 48ms 10 Dec 2023 138th danielphilpottwork 949 71 48ms 20 Dec 2023 138th keizure 🇨🇳 949 71 49ms 12 Jan 2024 138th olleicua 🇺🇸 949 71 50ms 13 Jan 2024 138th weliveinhell 🇭🇹 949 71 51ms 21 Jan 2024 138th two-bad 🇬🇧 949 71 51ms 3 Feb 2024 138th xsot 🇸🇬 949 71 50ms 3 Feb 2024 138th voytxt 🇨🇿 949 71 46ms 4 Feb 2024 138th helbling 🇨🇭 949 71 49ms 27 Feb 2024 138th mamamia5x 949 71 49ms 8 Mar 2024 138th aopedal 949 71 50ms 14 Mar 2024 138th unfinishedprogram 949 71 46ms 3 May 2024 138th junkondo-jp 949 71 49ms 5 May 2024 138th TheLastZombie 949 71 47ms 15 May 2024 138th FlorianCassayre 🇫🇷 949 71 48ms 20 May 2024 138th KatieLG 🇬🇧 949 71 50ms 9 Jun 2024 138th vlpx 🇫🇮 949 71 48ms 18 Jun 2024 138th pardouin 🇫🇷 949 71 48ms 24 Jul 2024 138th GrayJoKing 🇦🇺 949 71 49ms 12 Aug 2024 138th kpal81xd 949 71 50ms 1 Sep 2024 138th edsrzf 🇳🇿 949 71 47ms 21 Sep 2024 138th xyangst 949 71 49ms 23 Sep 2024 138th b-illy 🇬🇧 949 71 51ms 29 Sep 2024 138th duckyluuk 🇳🇱 949 71 50ms 3 Oct 2024 138th Andrey-Plotnikov 949 71 49ms 10 Nov 2024 138th CaedenHarper 🇨🇦 949 71 48ms 19 Nov 2024 138th SiddharthShyniben 949 71 50ms 1 Dec 2024 138th targrik 949 71 47ms 5 Feb 2025 138th qpwoeirut 949 71 47ms 7 Feb 2025 138th kirjavascript 949 71 49ms 13 Feb 2025 138th MeWhenI 🇻🇦 949 71 50ms 13 Mar 2025 138th fuzzylojik-golf 🇺🇸 949 71 47ms 29 May 2025 138th JOrE20 🇺🇸 949 71 48ms 15 Nov 2025 138th snoozingnewt 🇨🇦 949 71 51ms 14 days ago 138th CornerMercury 🇬🇧 949 71 48ms 14 days ago 138th Lv0Sys 🇵🇱 949 71 70ms 13 days ago 138th DialFrost 🇸🇬 949 71 46ms 7 days ago 198th Steffan153 🇫🇮 942 40 47ms 25 Dec 2023 198th janlelis 942 40 43ms 25 Dec 2023 198th JayXon 🇺🇸 942 40 38ms 25 Dec 2023 198th ovs-code 🇩🇪 942 40 45ms 25 Dec 2023 198th Lydxn 🇨🇦 942 40 45ms 29 Dec 2023 198th 4hg 🇺🇸 942 40 44ms 8 Jan 2024 198th xsot 🇸🇬 942 40 45ms 31 Jan 2024 198th sisyphus-ppcg 🇦🇺 942 40 37ms 29 Apr 2024 198th radarek 🇵🇱 942 40 46ms 7 Jul 2024 198th nwellnhof 🇩🇪 942 40 46ms 24 Sep 2024 198th sean-niemann 🇺🇸 942 40 35ms 20 Dec 2024 198th stefangimmillaro 942 40 45ms 23 May 2025 198th pardouin 🇫🇷 942 40 36ms 1 Sep 2025 198th D-MOVE 🇵🇭 942 40 51ms 13 days ago 212th IISResetMe 941 17 262ms 7 Jun 2023 212th jmerle 🇳🇱 941 17 255ms 15 Jun 2023 212th Natanaelel 🇸🇪 941 17 218ms 28 Dec 2023 212th Yewzir 🇧🇪 941 17 236ms 9 Apr 2024 212th xyangst 941 17 247ms 15 Oct 2024 212th ZakkkkAttackkkk 🇵🇭 941 17 245ms 25 Feb 2025 212th blaztoma 🇱🇹 941 17 234ms 19 Oct 2025 212th Emutis 🇱🇹 941 17 206ms 19 Oct 2025 212th CrookedJ 941 17 257ms 19 days ago 221st yzhs 🇩🇪 939 87 13ms 22 Jun 2023 221st NewDefectus 🇮🇱 939 87 14ms 19 Aug 2023 221st Emutis 🇱🇹 939 87 15ms 14 days ago 224th Shanethegamer 🇺🇸 936 72 52ms 26 May 2023 224th jared-hughes 936 72 50ms 28 Jul 2023 226th btnlq 932 63 408ms 17 Apr 2023 226th JayXon 🇺🇸 932 63 407ms 18 Apr 2023 226th nwellnhof 🇩🇪 932 63 393ms 19 Apr 2023 226th primo-ppcg 🇹🇭 932 63 383ms 21 Apr 2023 226th Yewzir 🇧🇪 932 63 393ms 9 May 2023 226th DoogeJ 932 63 396ms 18 May 2023 226th ericlangedijk 🇸🇮 932 63 415ms 18 May 2023 226th Lydxn 🇨🇦 932 63 429ms 19 May 2023 226th annaproxy 932 63 404ms 19 May 2023 226th wiz0u 932 63 395ms 20 May 2023 226th revlayle 🇺🇸 932 63 411ms 6 Jun 2023 226th AdrienHache 🇫🇷 932 63 411ms 14 Jun 2023 226th jmerle 🇳🇱 932 63 418ms 15 Jun 2023 226th Theremon72 932 63 418ms 21 Jan 2024 226th namelessiw 932 63 416ms 5 May 2024 First Prev 161–240 of 1,437 Next Last