The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
CSS Colors 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 81st ovs-code 🇩🇪 933 71 293ms 16 Apr 2023 81st HCRitter 🇩🇪 933 71 312ms 17 Nov 2023 81st IISResetMe 933 71 280ms 16 Apr 2025 81st pardouin 🇫🇷 933 71 287ms 21 Sep 2025 85th Lydxn 🇨🇦 933 604 12ms 10 May 2024 86th JayXon 🇺🇸 932 173 421ms 18 Nov 2022 86th wiz0u 932 173 459ms 25 May 2023 86th AdrienHache 🇫🇷 932 173 407ms 2 Jul 2023 86th cryptoriddlerUIO 932 173 408ms 2 Mar 2025 90th nwellnhof 🇩🇪 926 174 440ms 20 Dec 2022 91st neel11235813 920 72 298ms 31 Jan 2023 92nd m-tkach 🇺🇦 916 615 17ms 27 May 2023 93rd 5cw 🇺🇸 914 616 18ms 23 May 2025 94th hallvabo 🇳🇴 913 617 18ms 6 Feb 2022 95th pardouin 🇫🇷 910 619 17ms 8 Feb 2024 96th sisyphus-ppcg 🇦🇺 908 65 69ms 18 Sep 2023 96th Yewzir 🇧🇪 908 65 71ms 6 May 2024 96th pardouin 🇫🇷 908 65 71ms 28 Aug 2024 96th DialFrost 🇸🇬 908 65 64ms 10 Apr 2025 96th GolfingSuccess 🇬🇷 908 65 68ms 7 Nov 2025 101st scpchicken 🇵🇼 908 73 377ms 30 Jan 2023 101st blaztoma 🇱🇹 908 73 265ms 23 days ago 103rd Mukundan314 907 621 17ms 3 days ago 104th Steffan153 🇫🇮 905 622 18ms 12 Mar 2023 105th andersk 🇺🇸 904 623 183ms 6 Oct 2020 105th btnlq 904 623 10ms 13 Oct 2020 107th GrayJoKing 🇦🇺 902 83 383ms 24 Jan 2024 107th ovs-code 🇩🇪 902 83 567ms 24 Jan 2024 107th m-tkach 🇺🇦 902 83 372ms 24 Jan 2024 107th Steffan153 🇫🇮 902 83 718ms 24 Jan 2024 107th SirBogman 🇺🇸 902 83 475ms 24 Jan 2024 107th CaedenHarper 🇨🇦 902 83 479ms 19 Jan 2025 107th sean-niemann 🇺🇸 902 83 394ms 4 Apr 2025 107th Babafaba 902 83 384ms 11 Nov 2025 115th ovs-code 🇩🇪 901 625 17ms 9 Mar 2024 116th Lydxn 🇨🇦 900 566 107ms 20 Apr 2024 117th primo-ppcg 🇹🇭 899 626 18ms 9 Jan 2021 117th bricknellj 899 626 17ms 24 May 2024 119th Seek64 🇩🇪 898 627 11ms 8 Oct 2024 120th Irratix 🇳🇱 897 628 10ms 28 Apr 2022 120th MeWhenI 🇻🇦 897 628 11ms 25 Mar 2024 122nd m-tkach 🇺🇦 896 569 39ms 27 May 2023 122nd tatzyr 🇯🇵 896 569 43ms 13 Oct 2025 124th Emutis 🇱🇹 895 74 266ms 23 days ago 125th 4hg 🇺🇸 894 66 71ms 15 Sep 2023 125th gifti258 894 66 68ms 15 Sep 2023 127th Lydxn 🇨🇦 894 653 394ms 7 May 2024 128th rucin93 🇵🇱 893 631 10ms 14 May 2024 129th inventshah 892 84 347ms 27 Jan 2024 129th GolfingSuccess 🇬🇷 892 84 335ms 27 Jan 2024 131st prplz 🇦🇺 892 631 11ms 20 Oct 2020 131st lifthrasiir 🇰🇷 892 631 10ms 20 Nov 2024 131st Bulmenisaurus 892 631 17ms 29 Jan 2025 134th sean-niemann 🇺🇸 890 633 11ms 9 Jan 2024 135th Lydxn 🇨🇦 888 610 2ms 22 Apr 2024 136th sisyphus-ppcg 🇦🇺 888 634 19ms 11 Mar 2022 137th sisyphus-ppcg 🇦🇺 888 658 11ms 2 Jul 2023 138th SirBogman 🇺🇸 886 182 424ms 23 Jan 2025 139th m-tkach 🇺🇦 885 637 14ms 9 Sep 2023 139th sean-niemann 🇺🇸 885 637 10ms 25 Sep 2024 141st JayXon 🇺🇸 884 693 260ms 15 Jan 2025 142nd BREMAUCY 🇫🇷 883 75 381ms 17 Mar 2024 143rd lynn 883 638 16ms 27 Jul 2021 143rd annaproxy 883 638 17ms 18 Jan 2023 143rd duckyluuk 🇳🇱 883 638 11ms 5 Jul 2025 146th FlorianCassayre 🇫🇷 881 67 342ms 26 May 2024 147th rifatx 881 183 419ms 4 Jul 2024 148th JayXon 🇺🇸 881 673 179ms 10 Jan 2025 149th anter69 🇭🇺 880 640 102ms 3 Nov 2023 150th radarek 🇵🇱 879 580 331ms 2 Jul 2025 151st m-tkach 🇺🇦 879 685 429ms 22 Sep 2023 152nd dmrichwa 🇺🇸 878 642 10ms 16 Jan 2023 152nd emplv 🇱🇻 878 642 11ms 17 Mar 2023 152nd vlpx 🇫🇮 878 642 11ms 1 Aug 2024 155th primo-ppcg 🇹🇭 877 581 58ms 21 Dec 2020 155th JayXon 🇺🇸 877 581 48ms 10 Aug 2021 155th sisyphus-ppcg 🇦🇺 877 581 45ms 9 Mar 2022 155th Steffan153 🇫🇮 877 581 47ms 11 Mar 2023 159th sean-niemann 🇺🇸 877 736 42ms 10 Jan 2024 160th sean-niemann 🇺🇸 876 582 41ms 2 Aug 2025 First Prev 81–160 of 1,258 Next Last