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 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 641st zacjl 830 99 18ms 30 Jul 2025 642nd Steffan153 🇫🇮 830 162 5ms 29 Jan 2024 643rd SirBogman 🇺🇸 829 57 261ms 23 Jan 2024 644th GolfingSuccess 🇬🇷 829 124 463ms 30 Dec 2024 645th JarrodCope 827 71 371ms 19 Apr 2024 646th dvargas46 🇺🇸 827 98 115ms 18 Apr 2023 647th jipsong 🇩🇪 827 101 3ms 9 Feb 2025 647th snoozingnewt 🇨🇦 827 101 4ms 9 days ago 649th sean-niemann 🇺🇸 826 65 4,116ms 24 Oct 2024 649th jipsong 🇩🇪 826 65 2,776ms 9 Jun 2025 651st Yewzir 🇧🇪 826 116 128ms 30 Apr 2023 652nd inventshah 825 53 4ms 16 Apr 2023 653rd xsot 🇸🇬 824 54 8ms 28 Sep 2024 654th Steffan153 🇫🇮 824 202 31ms 18 Apr 2023 655th primo-ppcg 🇹🇭 824 206 43ms 26 Apr 2025 655th marshallward 🇺🇸 824 206 41ms 7 May 2025 657th GrayJoKing 🇦🇺 823 137 17ms 3 May 2023 658th KrausRaus 🇺🇸 822 53 7ms 21 Apr 2023 658th Shanethegamer 🇺🇸 822 53 5ms 2 Jul 2023 658th Kokusui 🇯🇵 822 53 5ms 4 Oct 2024 658th Salutations45 822 53 5ms 21 Nov 2024 662nd Bubbler-4 822 85 314ms 17 Apr 2023 663rd MeWhenI 🇻🇦 820 207 41ms 29 Apr 2025 664th AtengChen 819 80 24ms 31 Aug 2024 665th mtirado1 819 102 3ms 17 Apr 2023 665th NickTheEASDude 🇺🇸 819 102 3ms 27 Mar 2024 667th fuzzylojik-golf 🇺🇸 819 105 9ms 14 Oct 2023 668th emgordon154 818 328 548ms 6 Nov 2025 669th Shanethegamer 🇺🇸 816 89 132ms 24 May 2025 669th sean-niemann 🇺🇸 816 89 176ms 25 May 2025 671st Yewzir 🇧🇪 816 126 417ms 6 May 2024 672nd sean-niemann 🇺🇸 816 199 5ms 4 Jul 2025 673rd GolfingSuccess 🇬🇷 816 202 747ms 27 days ago 674th GrayJoKing 🇦🇺 814 221 19ms 31 Jul 2023 675th Ripick 812 73 628ms 11 Jul 2024 676th gnlow 🇰🇷 812 83 49ms 11 Feb 2025 676th LarsFredrikHolstTry 812 83 49ms 28 Oct 2025 678th sisyphus-ppcg 🇦🇺 811 103 3ms 5 Oct 2023 678th dokutan 811 103 3ms 14 Sep 2024 680th KatieLG 🇬🇧 811 106 9ms 24 Apr 2023 681st dokutan 811 151 498ms 7 Nov 2025 682nd Natanaelel 🇸🇪 810 54 4ms 25 Apr 2023 682nd GolfingSuccess 🇬🇷 810 54 4ms 16 Oct 2024 682nd edsrzf 🇳🇿 810 54 3ms 5 Nov 2025 685th sisyphus-ppcg 🇦🇺 810 100 13ms 21 Apr 2023 686th edsrzf 🇳🇿 810 159 43ms 1 Sep 2025 687th JayXon 🇺🇸 810 307 1,694ms 22 Apr 2024 688th MeWhenI 🇻🇦 809 165 23ms 20 Dec 2023 689th emgordon154 808 139 6ms 28 Dec 2024 690th lynn 808 206 32ms 11 Jul 2023 691st dokutan 807 90 157ms 29 Jun 2024 692nd nwellnhof 🇩🇪 807 119 3ms 28 Apr 2023 693rd canissimia 🇦🇶 807 458 45ms 8 Jan 2024 694th SirBogman 🇺🇸 806 102 3ms 23 Apr 2023 695th kg583 🇺🇸 805 160 40ms 5 May 2025 696th canissimia 🇦🇶 805 211 154ms 22 Aug 2023 697th plittlewood 804 73 403ms 16 Apr 2025 698th stefangimmillaro 804 155 703ms 19 Aug 2023 699th Shanethegamer 🇺🇸 803 104 3ms 16 Apr 2023 700th sean-niemann 🇺🇸 803 239 235ms 8 Jun 2025 700th lynn 803 239 223ms 6 Nov 2025 702nd KatieLG 🇬🇧 802 76 364ms 28 Oct 2024 702nd JunkIce 802 76 376ms 3 Dec 2024 704th Yewzir 🇧🇪 802 84 48ms 5 Nov 2023 704th XenThe 🇬🇧 802 84 49ms 23 Jun 2025 706th xbxbxb007 802 133 279ms 10 Jan 2024 707th wasabi-avalanches 801 47 37ms 6 Apr 2024 707th emgordon154 801 47 59ms 17 Nov 2024 707th Lv0Sys 🇵🇱 801 47 55ms 13 days ago 710th MeWhenI 🇻🇦 801 74 393ms 27 Jul 2024 710th HumanoidCPU 801 74 351ms 27 Sep 2024 712th Yewzir 🇧🇪 801 153 470ms 4 Jul 2023 713th lifthrasiir 🇰🇷 801 264 34ms 19 Dec 2024 714th greenstuartj 800 20 291ms 4 Jan 2024 715th stefangimmillaro 800 240 255ms 16 Nov 2023 716th primo-ppcg 🇹🇭 800 308 15ms 2 Aug 2023 717th DialFrost 🇸🇬 799 91 120ms 3 Jun 2025 718th GolfingSuccess 🇬🇷 799 336 489ms 4 Feb 2025 719th emgordon154 796 154 559ms 25 May 2025 720th ovs-code 🇩🇪 796 337 478ms 4 Feb 2025 First Prev 641–720 of 1,433 Next Last