The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
Musical Chords 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 81st hallvabo 🇳🇴 835 97 12ms 20 Mar 2022 82nd albanian-laundromat 834 110 870ms 13 Nov 2025 83rd albanian-laundromat 834 337 73ms 13 Nov 2025 84th pardouin 🇫🇷 832 79 61ms 21 Aug 2025 85th JayXon 🇺🇸 830 290 1,832ms 6 Mar 2025 86th SirBogman 🇺🇸 829 229 33ms 8 Feb 2023 87th albanian-laundromat 826 342 46ms 7 Sep 2025 88th edsrzf 🇳🇿 825 193 107ms 17 days ago 89th emgordon154 825 349 510ms 26 Oct 2025 90th pardouin 🇫🇷 823 97 994ms 31 Jul 2025 91st ovs-code 🇩🇪 818 183 69ms 21 Mar 2024 92nd UnderKoen 🇳🇱 817 334 14ms 20 Jan 2025 93rd ovs-code 🇩🇪 816 91 392ms 7 Mar 2024 94th emplv 🇱🇻 816 152 100ms 7 Dec 2022 95th Bubbler-4 815 59 3ms 25 Feb 2022 96th SirBogman 🇺🇸 815 98 1,033ms 30 Jan 2023 97th typeswitch-dev 🇵🇹 815 357 10ms 14 Aug 2023 98th primo-ppcg 🇹🇭 811 411 13ms 3 Aug 2023 99th kg583 🇺🇸 804 194 16ms 30 May 2025 100th primo-ppcg 🇹🇭 803 350 56ms 22 May 2023 101st nwellnhof 🇩🇪 802 101 11ms 4 Nov 2021 101st btnlq 802 101 94ms 4 Nov 2021 103rd canissimia 🇦🇶 801 368 51ms 5 Dec 2021 104th CLOStrophobic 🇮🇹 800 195 30ms 6 Mar 2025 105th MeWhenI 🇻🇦 798 408 24ms 3 Jan 2025 106th KatieLG 🇬🇧 790 5,798 18ms 12 Oct 2025 107th lynn 787 216 219ms 9 Nov 2025 108th SirBogman 🇺🇸 786 56 83ms 27 Jan 2023 109th SirBogman 🇺🇸 784 154 503ms 13 Mar 2022 110th ovs-code 🇩🇪 783 102 1,066ms 21 Mar 2024 111th MeWhenI 🇻🇦 772 57 63ms 25 Aug 2022 112th ovs-code 🇩🇪 770 154 2ms 21 Mar 2024 113th albanian-laundromat 766 376 481ms 24 Oct 2025 114th MeWhenI 🇻🇦 764 802 34ms 4 Nov 2021 115th emgordon154 762 125 39ms 27 Oct 2025 116th kg583 🇺🇸 757 107 32ms 15 Jul 2024 116th lifthrasiir 🇰🇷 757 107 31ms 21 Nov 2024 118th blaztoma 🇱🇹 753 373 26ms 4 days ago 119th MeWhenI 🇻🇦 750 198 11ms 9 May 2024 120th lifthrasiir 🇰🇷 749 100 347ms 2 Dec 2024 121st stefangimmillaro 747 249 265ms 5 May 2025 122nd MeWhenI 🇻🇦 746 6,145 126ms 7 Dec 2023 123rd sean-niemann 🇺🇸 743 109 21ms 14 days ago 124th primo-ppcg 🇹🇭 739 108 1,048ms 19 Nov 2021 125th ovs-code 🇩🇪 738 89 54ms 14 Oct 2023 126th lynn 738 143 368ms 9 Feb 2022 127th kg583 🇺🇸 734 102 359ms 15 Jul 2024 128th nwellnhof 🇩🇪 734 204 84ms 23 May 2022 129th tomtheisen 🇺🇸 732 144 421ms 6 Feb 2025 130th Waffle3z 724 170 4ms 8 Apr 2022 131st bitsandbeyond 🇳🇱 724 257 249ms 11 Nov 2025 132nd KasperKivimaeki 🇫🇮 718 165 2ms 24 Jan 2025 133rd acotis 717 237 227ms 23 Jun 2025 134th nwellnhof 🇩🇪 715 260 275ms 4 Nov 2021 135th Yax42 🇫🇷 708 149 425ms 20 Aug 2025 136th GolfingSuccess 🇬🇷 705 115 14ms 25 Nov 2021 136th HPWiz 🇳🇿 705 115 21ms 27 May 2024 136th 4atj 705 115 21ms 29 Jun 2025 136th anter69 🇭🇺 705 115 18ms 14 days ago 140th AlephSquirrel 705 221 14ms 23 Jan 2025 141st emplv 🇱🇻 705 264 291ms 19 Apr 2023 142nd Irratix 🇳🇱 704 136 14ms 24 Jun 2022 143rd albanian-laundromat 698 116 12ms 6 Nov 2025 144th andersk 🇺🇸 694 245 229ms 5 Nov 2022 145th sean-niemann 🇺🇸 693 108 352ms 14 days ago 146th primo-ppcg 🇹🇭 692 95 37ms 26 Jan 2025 147th primo-ppcg 🇹🇭 686 188 5ms 3 Jul 2023 148th stefangimmillaro 686 207 458ms 6 Oct 2025 149th emgordon154 684 217 16ms 26 Oct 2025 150th GolfingSuccess 🇬🇷 681 110 336ms 25 Jan 2025 151st orthoplex 🇨🇽 681 119 12ms 3 Nov 2021 152nd SirBogman 🇺🇸 679 141 10ms 14 Nov 2022 153rd stefangimmillaro 679 208 148ms 13 Nov 2023 154th albanian-laundromat 675 111 356ms 6 Nov 2025 155th duckyluuk 🇳🇱 675 120 32ms 29 Aug 2024 156th albanian-laundromat 672 213 5ms 6 Nov 2025 157th nwellnhof 🇩🇪 670 160 9ms 8 Jul 2022 158th bitsandbeyond 🇳🇱 669 143 10ms 11 Nov 2025 159th lifthrasiir 🇰🇷 668 72 3ms 6 Dec 2024 160th ovs-code 🇩🇪 668 112 618ms 20 Jun 2025 First Prev 81–160 of 590 Next Last