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 481st RYNO8 649 868 11ms 14 Oct 2021 482nd msbranicky 649 1,168 6ms 28 Oct 2023 483rd CarsonChr 🇺🇸 639 882 9ms 22 Apr 2024 484th KatieLG 🇬🇧 639 962 4ms 8 Jan 2023 485th MeWhenI 🇻🇦 639 963 20ms 5 Dec 2021 486th AshyIsMe 🇦🇺 635 755 32ms 18 Apr 2023 487th tayloia 🇬🇧 635 887 13ms 21 Mar 2023 488th MeWhenI 🇻🇦 635 944 54ms 13 Aug 2024 489th bbakersmith 635 969 19ms 29 Jul 2021 490th hiddicop 🇸🇪 634 804 44ms 5 Feb 2021 491st albanian-laundromat 632 891 16ms 25 May 2025 492nd eranws 632 892 12ms 23 Oct 2022 493rd SirBogman 🇺🇸 631 1,858 53ms 23 Nov 2022 494th Shanethegamer 🇺🇸 629 943 237ms 30 Apr 2022 495th alemelis 627 824 819ms 8 Oct 2024 496th TaserTheFox 🇺🇸 625 901 16ms 8 May 2023 497th o0lit3 🇺🇸 624 839 6ms 15 Oct 2020 498th eiburns 619 107 298ms 25 Aug 2023 499th Alex-x90 🇺🇸 619 919 104ms 8 Aug 2023 500th Alex-x90 🇺🇸 618 945 490ms 15 Oct 2023 501st annaproxy 617 261 431ms 22 Oct 2023 502nd Babafaba 617 912 14ms 27 days ago 503rd BBoehm 🇩🇪 617 913 12ms 1 Mar 2021 503rd gnlow 🇰🇷 617 913 14ms 27 Jan 2022 505th Shanethegamer 🇺🇸 616 947 512ms 24 Sep 2025 506th Shanethegamer 🇺🇸 613 1,003 15ms 8 Sep 2021 507th SirBogman 🇺🇸 612 833 35ms 8 Jun 2022 508th CaedenHarper 🇨🇦 611 955 488ms 4 Oct 2025 509th prplz 🇦🇺 610 988 66ms 9 Jan 2022 510th Waffle3z 607 839 41ms 27 Sep 2020 511th vgamula 🇺🇦 607 927 13ms 16 Mar 2023 512th SirBogman 🇺🇸 605 842 267ms 3 Dec 2021 513th dokutan 601 937 162ms 18 Apr 2025 514th KatieLG 🇬🇧 598 941 11ms 24 Jan 2021 515th cntkillme 598 958 2ms 26 Sep 2020 516th gjh71 🇳🇱 597 111 248ms 11 May 2023 517th janbehrens 🇩🇪 597 876 5ms 3 Jan 2021 518th Artemis21 🇬🇧 597 943 40ms 7 Jan 2025 519th MeWhenI 🇻🇦 597 979 5ms 28 May 2023 520th Shanethegamer 🇺🇸 592 987 4ms 2 Jul 2023 521st CedricGebistorf 589 956 11ms 15 Mar 2022 521st JOrE20 🇺🇸 589 956 10ms 11 days ago 523rd iTearo 🇷🇺 589 992 5ms 25 Dec 2020 524th dylanpyle 586 962 10ms 26 Jun 2020 525th thehylian 585 963 12ms 25 Dec 2022 525th ZakkkkAttackkkk 🇵🇭 585 963 12ms 28 Aug 2023 527th KatieLG 🇬🇧 584 965 10ms 15 Apr 2021 528th Yewzir 🇧🇪 584 976 8ms 20 Dec 2023 529th RDShah 583 965 11ms 27 Nov 2021 529th OllieBoyne 🇬🇧 583 965 11ms 8 May 2022 531st ShiraJoseph 🇺🇸 583 967 11ms 30 Apr 2022 532nd MeWhenI 🇻🇦 583 976 98ms 15 Oct 2022 533rd hiddicop 🇸🇪 582 968 10ms 5 Feb 2021 533rd bbakersmith 582 968 12ms 28 Jun 2022 533rd StefanHabel 🇨🇦 582 968 10ms 12 Dec 2022 536th cywong-amino 🇭🇰 582 1,003 4ms 23 Jun 2020 537th BREMAUCY 🇫🇷 581 969 10ms 17 Mar 2024 538th Yewzir 🇧🇪 580 970 10ms 16 Apr 2023 539th firegene 🇮🇪 580 971 11ms 30 Dec 2023 540th msbranicky 579 972 10ms 20 Sep 2023 541st RDShah 579 973 10ms 27 Nov 2021 542nd SniperSmiley 🇺🇸 578 975 11ms 28 Jul 2022 543rd ScottHamper 577 976 9ms 31 May 2021 543rd veiko 577 976 9ms 2 Jul 2022 545th daviddostal 577 980 1,296ms 9 Oct 2022 546th Indivicivet 576 115 281ms 9 May 2022 547th RaBa21 🇭🇺 575 979 17ms 10 Jul 2025 548th commandblockguy 🇺🇸 572 131 502ms 1 Sep 2025 549th orthoplex 🇨🇽 571 116 242ms 31 Mar 2022 550th galloj 🇨🇿 571 1,303 3,546ms 3 Mar 2023 551st gallium-gonzollium 570 987 10ms 26 Aug 2024 552nd helbling 🇨🇭 570 988 9ms 12 Mar 2024 553rd jacobly0 🇺🇸 570 1,005 2ms 23 Sep 2023 554th MichalMarsalek 🇨🇿 569 989 13ms 15 Jan 2024 555th Ralac07 🇦🇺 569 990 15ms 8 Dec 2024 556th Yewzir 🇧🇪 568 994 138ms 17 Sep 2023 557th KatieLG 🇬🇧 567 922 996ms 25 Apr 2021 558th prplz 🇦🇺 567 956 2ms 21 Jun 2020 559th Yewzir 🇧🇪 567 1,080 263ms 5 Jan 2024 560th Msleizak 🇫🇷 566 117 265ms 16 Nov 2023 First Prev 481–560 of 1,257 Next Last
