The Calendar hole will go live in approximately 6 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 721st CLOStrophobic 🇮🇹 836 89 8ms 6 May 2025 722nd Yewzir 🇧🇪 835 71 347ms 19 Nov 2023 723rd LogicalJoe 835 102 2ms 1 May 2023 724th Lydxn 🇨🇦 835 115 11ms 17 Apr 2023 725th sean-niemann 🇺🇸 835 161 4ms 21 Apr 2025 725th GolfingSuccess 🇬🇷 835 161 5ms 20 Nov 2025 727th Shanethegamer 🇺🇸 834 42 77ms 25 Mar 2024 727th MeWhenI 🇻🇦 834 42 71ms 2 Aug 2024 729th ssbhatt4321 834 98 13ms 11 Jun 2023 729th tayadev 834 98 13ms 18 Nov 2023 729th hiichbindermax 834 98 13ms 27 Jul 2024 729th jatloe 834 98 15ms 23 Oct 2024 729th denisfouchard 834 98 14ms 23 Aug 2025 729th vhoulbreque 🇫🇷 834 98 27ms 21 days ago 735th edsrzf 🇳🇿 834 165 118ms 27 days ago 735th DialFrost 🇸🇬 834 165 94ms 23 days ago 735th emgordon154 834 165 100ms 21 days ago 735th snoozingnewt 🇨🇦 834 165 96ms 20 days ago 739th 0xjac 🇨🇭 833 128 268ms 11 Jun 2025 740th PowershellKnut 🇳🇴 832 81 50ms 7 Jan 2024 741st emplv 🇱🇻 831 83 201ms 28 Mar 2025 742nd Steffan153 🇫🇮 830 70 9ms 12 Dec 2023 742nd Yewzir 🇧🇪 830 70 9ms 14 Dec 2023 742nd emgordon154 830 70 10ms 6 Dec 2024 742nd sean-niemann 🇺🇸 830 70 8ms 20 Apr 2025 746th zacjl 830 99 18ms 30 Jul 2025 747th Steffan153 🇫🇮 830 162 5ms 29 Jan 2024 748th GolfingSuccess 🇬🇷 829 124 421ms 30 Dec 2024 749th ovs-code 🇩🇪 828 146 316ms 10 May 2024 750th JarrodCope 827 71 371ms 19 Apr 2024 751st albanian-laundromat 827 90 420ms 4 Aug 2025 752nd dvargas46 🇺🇸 827 98 103ms 18 Apr 2023 753rd jipsong 🇩🇪 827 101 3ms 9 Feb 2025 753rd snoozingnewt 🇨🇦 827 101 4ms 13 days ago 755th sean-niemann 🇺🇸 826 65 3,279ms 24 Oct 2024 755th jipsong 🇩🇪 826 65 2,776ms 9 Jun 2025 757th Yewzir 🇧🇪 826 116 128ms 30 Apr 2023 758th inventshah 825 53 4ms 16 Apr 2023 759th aksyristos 825 99 14ms 17 Apr 2023 759th TaserTheFox 🇺🇸 825 99 20ms 17 Apr 2023 759th ehulinsky 🇺🇸 825 99 17ms 10 May 2023 759th minhtrancccp 825 99 24ms 1 Nov 2023 759th roguh 🇬🇹 825 99 14ms 22 Jan 2024 759th namelessiw 825 99 14ms 21 Feb 2024 759th SB-945 825 99 14ms 5 Mar 2024 759th jtaxen 825 99 18ms 22 Mar 2024 759th christensendaniel 825 99 14ms 14 May 2024 759th abhishekg999 825 99 32ms 22 Sep 2024 759th moustave 825 99 14ms 7 Jan 2025 759th sciencejiho 825 99 13ms 10 Feb 2025 759th 0dyse 825 99 18ms 15 Apr 2025 759th Voltrifrodec 🇸🇰 825 99 14ms 27 Apr 2025 759th Flekay 🇩🇪 825 99 15ms 18 Jun 2025 759th CoolBvll 825 99 19ms 10 Jul 2025 759th michelebastione 🇮🇹 825 99 14ms 6 Aug 2025 759th jacekwladzinski 825 99 14ms 4 Oct 2025 759th KatieLG 🇬🇧 825 99 14ms 2 days ago 778th xsot 🇸🇬 824 54 8ms 28 Sep 2024 779th lyphyser 824 131 53ms 10 Feb 2025 780th Steffan153 🇫🇮 824 202 31ms 18 Apr 2023 781st primo-ppcg 🇹🇭 824 206 43ms 26 Apr 2025 781st marshallward 🇺🇸 824 206 41ms 7 May 2025 783rd GrayJoKing 🇦🇺 823 138 17ms 3 May 2023 784th KrausRaus 🇺🇸 822 53 8ms 21 Apr 2023 784th Shanethegamer 🇺🇸 822 53 7ms 2 Jul 2023 784th Kokusui 🇯🇵 822 53 6ms 4 Oct 2024 784th Salutations45 822 53 6ms 21 Nov 2024 788th Bubbler-4 822 85 314ms 17 Apr 2023 789th MeWhenI 🇻🇦 820 207 41ms 29 Apr 2025 790th mtirado1 819 102 4ms 17 Apr 2023 790th NickTheEASDude 🇺🇸 819 102 5ms 27 Mar 2024 792nd fuzzylojik-golf 🇺🇸 819 105 9ms 14 Oct 2023 793rd m42km 818 91 382ms 4 Feb 2024 794th MeWhenI 🇻🇦 818 175 25ms 20 Dec 2023 795th emgordon154 818 328 548ms 6 Nov 2025 796th XioR112 🇵🇱 817 100 20ms 5 Sep 2023 796th OCNeve 817 100 17ms 18 Jun 2024 796th StinkyMilo 817 100 13ms 13 May 2025 799th Shanethegamer 🇺🇸 816 89 132ms 24 May 2025 799th sean-niemann 🇺🇸 816 89 176ms 25 May 2025 First Prev 721–800 of 1,439 Next Last