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 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 241st MeWhenI 🇻🇦 829 868 45ms 14 Jan 2025 242nd prplz 🇦🇺 828 353 2ms 21 Jun 2020 243rd SirBogman 🇺🇸 828 970 53ms 23 Nov 2022 244th emgordon154 828 972 873ms 24 Mar 2025 245th primo-ppcg 🇹🇭 827 272 5ms 7 Dec 2020 246th MarcMush 🇫🇷 827 274 579ms 14 Jan 2024 247th lifthrasiir 🇰🇷 827 986 234ms 17 Dec 2024 248th edsrzf 🇳🇿 825 705 122ms 19 days ago 249th m-tkach 🇺🇦 823 372 520ms 25 Sep 2025 250th sean-niemann 🇺🇸 822 325 440ms 23 Jul 2024 251st edsrzf 🇳🇿 822 837 20ms 23 Jun 2025 252nd ovs-code 🇩🇪 821 276 1,040ms 10 May 2024 253rd Steffan153 🇫🇮 819 284 146ms 26 Jun 2024 254th KatieLG 🇬🇧 818 81 254ms 11 Oct 2025 255th GrayJoKing 🇦🇺 818 256 239ms 23 Aug 2020 256th ovs-code 🇩🇪 816 739 11ms 22 Jul 2023 257th KasperKivimaeki 🇫🇮 814 359 2ms 10 Nov 2025 258th typeswitch-dev 🇵🇹 814 741 11ms 22 Jul 2023 259th Alex-x90 🇺🇸 813 365 4ms 15 Oct 2023 260th lifthrasiir 🇰🇷 813 572 3ms 1 Dec 2024 261st tomtheisen 🇺🇸 809 199 390ms 12 Feb 2025 262nd Shanethegamer 🇺🇸 809 280 826ms 21 Apr 2022 263rd dokutan 808 73 72ms 6 Nov 2024 264th MeWhenI 🇻🇦 807 697 176ms 2 Aug 2023 265th qrakhen 805 200 419ms 18 Nov 2025 266th prplz 🇦🇺 803 385 66ms 9 Jan 2022 267th DialFrost 🇸🇬 797 284 603ms 21 May 2024 268th rucin93 🇵🇱 796 1,011 501ms 20 Mar 2025 269th Alex-x90 🇺🇸 795 321 4,197ms 28 Oct 2024 270th canissimia 🇦🇶 792 3,820 10ms 22 Nov 2021 271st GrayJoKing 🇦🇺 791 754 33ms 19 Jan 2023 272nd namelessiw 790 204 429ms 14 Aug 2024 273rd clemmesserli 789 84 294ms 20 Jun 2022 274th MeWhenI 🇻🇦 789 589 3ms 27 May 2024 275th GolfingSuccess 🇬🇷 786 915 25ms 18 Dec 2024 276th ovs-code 🇩🇪 784 721 18ms 5 Jun 2025 277th annaproxy 779 85 252ms 4 Jan 2022 277th janbehrens 🇩🇪 779 85 251ms 3 Jan 2024 279th Shanethegamer 🇺🇸 775 1,038 463ms 9 Apr 2025 280th ovs-code 🇩🇪 772 81 392ms 24 Jan 2024 281st DoogeJ 771 209 449ms 19 May 2023 282nd jared-hughes 771 1,058 225ms 17 Dec 2024 283rd jmerle 🇳🇱 770 86 314ms 7 Jul 2024 284th liamjpeters 762 87 259ms 2 May 2023 285th edsrzf 🇳🇿 757 377 42ms 10 Jan 2025 286th ericlangedijk 🇸🇮 756 213 413ms 19 May 2023 287th GrayJoKing 🇦🇺 753 83 383ms 24 Jan 2024 287th m-tkach 🇺🇦 753 83 372ms 24 Jan 2024 287th Steffan153 🇫🇮 753 83 718ms 24 Jan 2024 287th CaedenHarper 🇨🇦 753 83 479ms 19 Jan 2025 291st swbbl 753 88 251ms 5 Feb 2022 291st ryanlanegit 753 88 340ms 23 Jun 2022 291st Yewzir 🇧🇪 753 88 347ms 9 Apr 2024 294th Irratix 🇳🇱 753 388 2ms 16 Dec 2022 295th duckyluuk 🇳🇱 753 956 38ms 5 Jul 2025 296th Yewzir 🇧🇪 752 354 13ms 17 Apr 2023 297th lynn 749 796 33ms 18 Jul 2023 298th roguh 🇬🇹 747 79 348ms 22 Jan 2024 299th Alex-x90 🇺🇸 745 411 490ms 15 Oct 2023 300th inventshah 744 84 347ms 27 Jan 2024 300th GolfingSuccess 🇬🇷 744 84 335ms 27 Jan 2024 302nd JunkIce 741 335 109ms 13 Feb 2025 302nd snoozingnewt 🇨🇦 741 335 109ms 31 Mar 2025 304th Shanethegamer 🇺🇸 736 345 112ms 24 May 2025 305th Waffle3z 734 373 10ms 29 Jan 2022 306th CaedenHarper 🇨🇦 731 324 892ms 23 Oct 2025 307th vlpx 🇫🇮 731 364 11ms 1 Aug 2024 307th voytxt 🇨🇿 731 364 13ms 13 Apr 2025 309th SirBogman 🇺🇸 730 637 2ms 27 May 2024 310th primo-ppcg 🇹🇭 728 81 339ms 1 Aug 2023 310th lynn 728 81 337ms 2 Aug 2023 312th ScottHamper 728 421 666ms 8 Jun 2021 313th Irratix 🇳🇱 725 426 2,587ms 16 Dec 2022 314th two-bad 🇬🇧 721 369 17ms 2 Feb 2024 315th MeWhenI 🇻🇦 720 82 65ms 6 Nov 2023 316th Shanethegamer 🇺🇸 720 434 276ms 5 May 2022 317th MeWhenI 🇻🇦 719 392 18ms 9 May 2024 318th anter69 🇭🇺 715 300 42ms 8 Feb 2024 319th emgordon154 715 813 400ms 14 days ago 320th FlorianCassayre 🇫🇷 712 93 239ms 16 Sep 2023 First Prev 241–320 of 1,251 Next Last