The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Spelling Numbers 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 401st iczelia 🇩🇪 723 372 10ms 19 Oct 2025 402nd JOrE20 🇺🇸 723 559 115ms 9 days ago 403rd MeWhenI 🇻🇦 722 336 429ms 14 Feb 2023 404th albanian-laundromat 720 434 4ms 26 Nov 2025 405th CaedenHarper 🇨🇦 719 374 11ms 29 Aug 2025 406th sean-niemann 🇺🇸 719 410 421ms 20 Oct 2024 407th timvermeulen 719 496 203ms 5 Jan 2020 408th orthoplex 🇨🇽 717 265 24ms 9 Oct 2022 409th albanian-laundromat 717 356 810ms 4 Nov 2025 410th msbranicky 717 436 3ms 10 Aug 2023 411th proton 🇩🇪 716 333 46ms 13 Jun 2020 412th CatsAreFluffy 716 484 77ms 14 Dec 2022 412th tailorspy 716 484 1,021ms 10 Mar 2024 414th KatieLG 🇬🇧 715 412 385ms 21 Nov 2021 415th emgordon154 715 621 578ms 4 Oct 2025 416th Yewzir 🇧🇪 712 513 291ms 5 Jan 2024 417th rumblesan 711 378 11ms 7 Dec 2018 417th voytxt 🇨🇿 711 378 11ms 19 Jun 2023 419th CatsAreFluffy 711 462 3ms 1 Jan 2023 420th jacobly0 🇺🇸 711 637 1,786ms 22 Apr 2024 421st SirBogman 🇺🇸 709 268 13ms 7 Jun 2022 422nd cywong-amino 🇭🇰 709 379 10ms 7 Oct 2020 423rd ian-h-chamberlain 🇺🇸 709 503 203ms 3 Nov 2025 424th Betuaredead 706 68 9ms 12 Jan 2023 425th dokutan 706 478 3ms 10 Apr 2025 426th rak1507 🇬🇧 705 256 3ms 9 May 2022 427th JGDoerrer 705 491 437ms 17 Jan 2022 428th helbling 🇨🇭 704 382 11ms 1 Jul 2024 429th MeWhenI 🇻🇦 704 507 36ms 7 Jun 2023 430th janbehrens 🇩🇪 703 493 2,525ms 20 Nov 2022 431st tatzyr 🇯🇵 702 340 41ms 22 Mar 2025 432nd m-tkach 🇺🇦 701 271 35ms 14 Feb 2023 433rd dokutan 701 364 820ms 23 Oct 2025 434th Bubbler-4 700 258 4ms 12 Jan 2022 435th arcpolaris 700 421 403ms 20 Nov 2024 436th jared-hughes 700 472 35ms 8 Jul 2024 437th jerrandolph 700 522 289ms 21 Oct 2023 438th SirBogman 🇺🇸 699 341 41ms 10 Jan 2024 439th dokutan 699 452 3,355ms 26 Oct 2024 440th stefangimmillaro 697 342 53ms 4 Oct 2022 441st janbehrens 🇩🇪 695 349 471ms 24 Feb 2022 442nd frosster 695 486 5ms 14 Mar 2025 443rd Shanethegamer 🇺🇸 693 274 21ms 15 Dec 2022 444th PatrickStephansen 🇿🇦 693 388 38ms 7 Nov 2020 444th eranws 693 388 10ms 10 Sep 2023 446th annaproxy 693 427 228ms 14 Aug 2022 447th MeWhenI 🇻🇦 693 477 52ms 29 Nov 2023 448th SirBogman 🇺🇸 692 196 663ms 2 Feb 2020 449th stefangimmillaro 692 426 336ms 4 Oct 2022 450th stefangimmillaro 692 515 238ms 15 Nov 2023 451st MarcMush 🇫🇷 691 351 319ms 15 Nov 2023 452nd Natanaelel 🇸🇪 689 297 34ms 16 Feb 2024 453rd coreynash 689 390 11ms 24 Feb 2024 453rd gigaprofisi 🇺🇸 689 390 11ms 10 Aug 2025 455th Yax42 🇫🇷 689 428 381ms 21 Jan 2025 456th MeWhenI 🇻🇦 689 447 9ms 28 Jun 2023 457th dsntzn 🇸🇰 688 391 11ms 18 Aug 2020 458th Andriamanitra 🇫🇮 687 347 41ms 25 Aug 2022 459th RussellEmerine 687 431 198ms 2 May 2020 460th emgordon154 687 450 6ms 31 Dec 2024 461st rambox11 686 479 4ms 24 Jun 2019 462nd BBoehm 🇩🇪 684 393 11ms 9 Feb 2021 463rd squadb3 682 394 10ms 10 Oct 2019 464th elgan65536 681 524 234ms 9 Nov 2025 465th stefangimmillaro 681 536 271ms 5 May 2025 466th olivermrose 🇺🇸 680 351 45ms 26 Oct 2021 467th CatsAreFluffy 679 436 236ms 18 Dec 2023 468th yzhs 🇩🇪 677 437 219ms 25 Jul 2021 469th SirBogman 🇺🇸 675 303 40ms 9 Sep 2022 470th Andriamanitra 🇫🇮 675 359 306ms 25 Aug 2022 471st gastropner 675 513 513ms 16 Jul 2025 472nd JRaspass 🇬🇧 675 541 289ms 23 Sep 2022 473rd GolfingSuccess 🇬🇷 674 373 21ms 18 Aug 2024 474th shreyasminocha 674 399 10ms 2 Aug 2020 474th xkacer 🇨🇿 674 399 10ms 30 Jan 2021 474th mrxz 🇳🇱 674 399 10ms 9 May 2021 477th dijs 672 400 10ms 21 Dec 2019 478th Yewzir 🇧🇪 670 138 32ms 24 Dec 2023 479th HumanoidCPU 667 403 11ms 25 Nov 2025 480th postie77 667 442 335ms 23 May 2023 First Prev 401–480 of 1,051 Next Last