The Calendar hole will go live in approximately 13 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 Steffan153 🇫🇮 830 162 5ms 29 Jan 2024 642nd SirBogman 🇺🇸 829 57 261ms 23 Jan 2024 643rd GolfingSuccess 🇬🇷 829 124 463ms 30 Dec 2024 644th JarrodCope 827 71 371ms 19 Apr 2024 645th dvargas46 🇺🇸 827 98 115ms 18 Apr 2023 646th jipsong 🇩🇪 827 101 3ms 9 Feb 2025 646th snoozingnewt 🇨🇦 827 101 4ms 6 days ago 648th sean-niemann 🇺🇸 826 65 4,116ms 24 Oct 2024 648th jipsong 🇩🇪 826 65 2,776ms 9 Jun 2025 650th Yewzir 🇧🇪 826 116 128ms 30 Apr 2023 651st inventshah 825 53 4ms 16 Apr 2023 652nd xsot 🇸🇬 824 54 8ms 28 Sep 2024 653rd Steffan153 🇫🇮 824 202 31ms 18 Apr 2023 654th primo-ppcg 🇹🇭 824 206 43ms 26 Apr 2025 654th marshallward 🇺🇸 824 206 41ms 7 May 2025 656th GrayJoKing 🇦🇺 823 137 17ms 3 May 2023 657th KrausRaus 🇺🇸 822 53 7ms 21 Apr 2023 657th Shanethegamer 🇺🇸 822 53 5ms 2 Jul 2023 657th Kokusui 🇯🇵 822 53 5ms 4 Oct 2024 657th Salutations45 822 53 5ms 21 Nov 2024 661st Bubbler-4 822 85 314ms 17 Apr 2023 662nd MeWhenI 🇻🇦 820 207 41ms 29 Apr 2025 663rd AtengChen 819 80 24ms 31 Aug 2024 664th mtirado1 819 102 3ms 17 Apr 2023 664th NickTheEASDude 🇺🇸 819 102 3ms 27 Mar 2024 666th fuzzylojik-golf 🇺🇸 819 105 9ms 14 Oct 2023 667th emgordon154 818 328 548ms 6 Nov 2025 668th Shanethegamer 🇺🇸 816 89 132ms 24 May 2025 668th sean-niemann 🇺🇸 816 89 176ms 25 May 2025 670th Yewzir 🇧🇪 816 126 417ms 6 May 2024 671st sean-niemann 🇺🇸 816 199 5ms 4 Jul 2025 672nd GolfingSuccess 🇬🇷 816 202 747ms 24 days ago 673rd GrayJoKing 🇦🇺 814 221 19ms 31 Jul 2023 674th Ripick 812 73 628ms 11 Jul 2024 675th gnlow 🇰🇷 812 83 49ms 11 Feb 2025 675th LarsFredrikHolstTry 812 83 49ms 28 Oct 2025 677th sisyphus-ppcg 🇦🇺 811 103 3ms 5 Oct 2023 677th dokutan 811 103 3ms 14 Sep 2024 679th KatieLG 🇬🇧 811 106 9ms 24 Apr 2023 680th dokutan 811 151 498ms 7 Nov 2025 681st Natanaelel 🇸🇪 810 54 4ms 25 Apr 2023 681st GolfingSuccess 🇬🇷 810 54 4ms 16 Oct 2024 681st edsrzf 🇳🇿 810 54 3ms 5 Nov 2025 684th sisyphus-ppcg 🇦🇺 810 100 13ms 21 Apr 2023 685th edsrzf 🇳🇿 810 159 43ms 1 Sep 2025 686th JayXon 🇺🇸 810 307 1,694ms 22 Apr 2024 687th MeWhenI 🇻🇦 809 165 23ms 20 Dec 2023 688th emgordon154 808 139 6ms 28 Dec 2024 689th lynn 808 206 32ms 11 Jul 2023 690th dokutan 807 90 157ms 29 Jun 2024 691st nwellnhof 🇩🇪 807 119 3ms 28 Apr 2023 692nd canissimia 🇦🇶 807 458 45ms 8 Jan 2024 693rd SirBogman 🇺🇸 806 102 3ms 23 Apr 2023 694th kg583 🇺🇸 805 160 40ms 5 May 2025 695th canissimia 🇦🇶 805 211 154ms 22 Aug 2023 696th plittlewood 804 73 403ms 16 Apr 2025 697th stefangimmillaro 804 155 703ms 19 Aug 2023 698th Shanethegamer 🇺🇸 803 104 3ms 16 Apr 2023 699th sean-niemann 🇺🇸 803 239 235ms 8 Jun 2025 699th lynn 803 239 223ms 6 Nov 2025 701st KatieLG 🇬🇧 802 76 364ms 28 Oct 2024 701st JunkIce 802 76 376ms 3 Dec 2024 703rd Yewzir 🇧🇪 802 84 48ms 5 Nov 2023 703rd XenThe 🇬🇧 802 84 49ms 23 Jun 2025 705th xbxbxb007 802 133 279ms 10 Jan 2024 706th wasabi-avalanches 801 47 37ms 6 Apr 2024 706th emgordon154 801 47 59ms 17 Nov 2024 706th Lv0Sys 🇵🇱 801 47 55ms 10 days ago 709th MeWhenI 🇻🇦 801 74 393ms 27 Jul 2024 709th HumanoidCPU 801 74 351ms 27 Sep 2024 711th Yewzir 🇧🇪 801 153 470ms 4 Jul 2023 712th lifthrasiir 🇰🇷 801 264 34ms 19 Dec 2024 713th greenstuartj 800 20 291ms 4 Jan 2024 714th stefangimmillaro 800 240 255ms 16 Nov 2023 715th primo-ppcg 🇹🇭 800 308 15ms 2 Aug 2023 716th DialFrost 🇸🇬 799 91 120ms 3 Jun 2025 717th GolfingSuccess 🇬🇷 799 336 489ms 4 Feb 2025 718th emgordon154 796 154 559ms 25 May 2025 719th ovs-code 🇩🇪 796 337 478ms 4 Feb 2025 720th kkoenig 795 55 3ms 23 Jan 2024 First Prev 641–720 of 1,431 Next Last