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 321st adyache 🇺🇸 710 792 63ms 27 Jul 2023 322nd Shanethegamer 🇺🇸 708 973 13ms 4 Oct 2024 323rd SirBogman 🇺🇸 707 351 28ms 23 Jan 2024 324th Shanethegamer 🇺🇸 707 444 237ms 30 Apr 2022 325th Waffle3z 703 305 41ms 27 Sep 2020 326th CLOStrophobic 🇮🇹 701 393 34ms 6 Mar 2025 327th InigoK 🇺🇸 697 356 31ms 6 Aug 2025 328th Alex-x90 🇺🇸 697 385 104ms 8 Aug 2023 329th MeWhenI 🇻🇦 694 1,159 412ms 10 Feb 2025 330th hemphen 691 233 414ms 22 Nov 2022 331st lahell 690 96 414ms 4 Jul 2020 332nd Shanethegamer 🇺🇸 688 361 35ms 21 Apr 2022 332nd Just4FunCoder 688 361 98ms 22 Feb 2024 334th abailey2020 🇺🇸 686 362 18ms 16 Dec 2020 334th now4est 🇯🇵 686 362 30ms 24 Sep 2025 336th Shanethegamer 🇺🇸 684 448 512ms 24 Sep 2025 337th kkoenig 679 460 270ms 13 Sep 2024 338th o0lit3 🇺🇸 676 333 7ms 15 Oct 2020 339th Artemis21 🇬🇧 675 368 40ms 7 Jan 2025 340th saito-ta 🇯🇵 673 1,105 451ms 18 Jul 2024 341st Shanethegamer 🇺🇸 669 99 265ms 18 Feb 2023 342nd JOrE20 🇺🇸 667 399 14ms 11 days ago 343rd MeWhenI 🇻🇦 666 373 36ms 19 Nov 2021 343rd neel11235813 666 373 18ms 15 Jan 2023 345th ZakkkkAttackkkk 🇵🇭 664 374 17ms 19 Jun 2023 346th lynn 663 89 67ms 13 Sep 2023 347th MeWhenI 🇻🇦 662 463 467ms 7 Nov 2025 348th stefangimmillaro 660 244 423ms 5 Jul 2023 349th SirBogman 🇺🇸 659 318 940ms 23 Jan 2024 350th Yewzir 🇧🇪 659 377 18ms 16 Apr 2023 351st ToriTheChicken 656 406 9ms 9 Aug 2020 352nd h3ra993huskp 🇯🇵 655 468 460ms 18 days ago 353rd MeWhenI 🇻🇦 654 407 11ms 1 Mar 2022 354th Yewzir 🇧🇪 654 1,101 16ms 20 Dec 2024 355th MichalMarsalek 🇨🇿 652 381 18ms 11 Jan 2023 356th emgordon154 650 869 214ms 11 May 2025 357th primo-ppcg 🇹🇭 645 475 450ms 7 Apr 2022 358th acotis 645 487 226ms 2 days ago 359th edsrzf 🇳🇿 641 487 291ms 15 Jan 2025 360th SirBogman 🇺🇸 639 336 38ms 27 Jan 2024 361st RYNO8 632 393 11ms 14 Oct 2021 362nd elgan65536 628 500 233ms 10 Jul 2024 363rd MeWhenI 🇻🇦 620 498 670ms 8 Mar 2023 364th eiburns 619 107 298ms 25 Aug 2023 365th annaproxy 617 261 431ms 22 Oct 2023 366th janbehrens 🇩🇪 613 434 10ms 17 Jun 2023 367th jacobly0 🇺🇸 612 447 2ms 23 Sep 2023 368th GolfingSuccess 🇬🇷 611 406 11ms 16 Dec 2020 369th itsh01 611 436 16ms 2 Aug 2022 370th stefangimmillaro 611 718 45ms 26 Apr 2025 371st sean-niemann 🇺🇸 609 558 46ms 31 Aug 2024 372nd janbehrens 🇩🇪 607 409 10ms 17 Jun 2023 372nd wh3n3v3r 🇨🇿 607 409 18ms 15 Nov 2024 374th ryyyn 🇺🇸 606 410 12ms 30 Jul 2025 374th dokutan 606 410 110ms 8 Sep 2025 376th stefangimmillaro 606 443 98ms 20 Oct 2022 377th MeWhenI 🇻🇦 606 471 114ms 4 Sep 2024 378th janbehrens 🇩🇪 604 507 688ms 13 Sep 2022 379th MeWhenI 🇻🇦 601 104 483ms 14 Jul 2024 380th albanian-laundromat 600 566 3,600ms 20 Nov 2025 381st Shanethegamer 🇺🇸 599 358 47ms 27 Jun 2021 382nd MeWhenI 🇻🇦 599 944 54ms 13 Aug 2024 383rd gjh71 🇳🇱 597 111 248ms 11 May 2023 384th QuincyNash 🇺🇸 595 417 12ms 1 Dec 2022 384th elgan65536 595 417 10ms 9 Apr 2024 386th SirBogman 🇺🇸 595 519 69ms 3 Jan 2022 387th Shanethegamer 🇺🇸 591 665 164ms 16 Jul 2021 388th Davr1 🇨🇿 590 451 14ms 15 Oct 2023 389th commandblockguy 🇺🇸 588 422 20ms 22 Aug 2023 390th SirBogman 🇺🇸 588 497 2ms 31 Dec 2021 391st Indivicivet 576 115 281ms 9 May 2022 392nd CaedenHarper 🇨🇦 576 431 19ms 10 Jan 2025 393rd emgordon154 575 432 12ms 1 Aug 2024 394th gnlow 🇰🇷 574 464 14ms 27 Jan 2022 394th eranws 574 464 18ms 23 Oct 2022 396th orthoplex 🇨🇽 571 116 242ms 31 Mar 2022 397th galloj 🇨🇿 571 1,303 3,546ms 3 Mar 2023 398th Msleizak 🇫🇷 566 117 265ms 16 Nov 2023 399th MeWhenI 🇻🇦 564 1,057 530ms 6 Jun 2023 400th inventshah 564 1,320 2,904ms 21 May 2022 First Prev 321–400 of 1,251 Next Last