The Calendar hole will go live in approximately 13 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 gastropner 724 454 4ms 16 Jul 2025 402nd iczelia 🇩🇪 723 372 10ms 19 Oct 2025 403rd JOrE20 🇺🇸 723 559 115ms 3 days ago 404th MeWhenI 🇻🇦 722 336 535ms 14 Feb 2023 405th albanian-laundromat 720 434 4ms 22 days ago 406th CaedenHarper 🇨🇦 719 374 11ms 29 Aug 2025 407th sean-niemann 🇺🇸 719 410 421ms 20 Oct 2024 408th timvermeulen 719 496 203ms 5 Jan 2020 409th orthoplex 🇨🇽 717 265 24ms 9 Oct 2022 410th albanian-laundromat 717 356 810ms 4 Nov 2025 411th msbranicky 717 436 3ms 10 Aug 2023 412th proton 🇩🇪 716 333 36ms 13 Jun 2020 413th CatsAreFluffy 716 484 99ms 14 Dec 2022 413th tailorspy 716 484 1,258ms 10 Mar 2024 415th KatieLG 🇬🇧 715 412 385ms 21 Nov 2021 416th emgordon154 715 621 578ms 4 Oct 2025 417th Yewzir 🇧🇪 712 513 291ms 5 Jan 2024 418th rumblesan 711 378 11ms 7 Dec 2018 418th voytxt 🇨🇿 711 378 11ms 19 Jun 2023 420th CatsAreFluffy 711 462 3ms 1 Jan 2023 421st jacobly0 🇺🇸 711 637 1,786ms 22 Apr 2024 422nd SirBogman 🇺🇸 709 268 13ms 7 Jun 2022 423rd cywong-amino 🇭🇰 709 379 10ms 7 Oct 2020 424th ian-h-chamberlain 🇺🇸 709 503 203ms 3 Nov 2025 425th Betuaredead 706 68 9ms 12 Jan 2023 426th dokutan 706 478 3ms 10 Apr 2025 427th rak1507 🇬🇧 705 256 3ms 9 May 2022 428th JGDoerrer 705 491 534ms 17 Jan 2022 429th helbling 🇨🇭 704 382 11ms 1 Jul 2024 430th MeWhenI 🇻🇦 704 507 36ms 7 Jun 2023 431st janbehrens 🇩🇪 703 493 2,649ms 20 Nov 2022 432nd tatzyr 🇯🇵 702 340 42ms 22 Mar 2025 433rd m-tkach 🇺🇦 701 271 35ms 14 Feb 2023 434th dokutan 701 364 820ms 23 Oct 2025 435th Bubbler-4 700 258 4ms 12 Jan 2022 436th arcpolaris 700 421 403ms 20 Nov 2024 437th jared-hughes 700 472 35ms 8 Jul 2024 438th jerrandolph 700 522 289ms 21 Oct 2023 439th SirBogman 🇺🇸 699 341 35ms 10 Jan 2024 440th dokutan 699 452 4,291ms 26 Oct 2024 441st stefangimmillaro 697 342 87ms 4 Oct 2022 442nd janbehrens 🇩🇪 695 349 482ms 24 Feb 2022 443rd frosster 695 486 3ms 14 Mar 2025 444th Shanethegamer 🇺🇸 693 274 21ms 15 Dec 2022 445th PatrickStephansen 🇿🇦 693 388 38ms 7 Nov 2020 445th eranws 693 388 10ms 10 Sep 2023 447th annaproxy 693 427 228ms 14 Aug 2022 448th MeWhenI 🇻🇦 693 477 52ms 29 Nov 2023 449th SirBogman 🇺🇸 692 196 663ms 2 Feb 2020 450th stefangimmillaro 692 426 336ms 4 Oct 2022 451st stefangimmillaro 692 515 238ms 15 Nov 2023 452nd MarcMush 🇫🇷 691 351 319ms 15 Nov 2023 453rd Natanaelel 🇸🇪 689 297 34ms 16 Feb 2024 454th coreynash 689 390 11ms 24 Feb 2024 454th gigaprofisi 🇺🇸 689 390 11ms 10 Aug 2025 456th Yax42 🇫🇷 689 428 381ms 21 Jan 2025 457th MeWhenI 🇻🇦 689 447 9ms 28 Jun 2023 458th dsntzn 🇸🇰 688 391 11ms 18 Aug 2020 459th Andriamanitra 🇫🇮 687 347 42ms 25 Aug 2022 460th RussellEmerine 687 431 198ms 2 May 2020 461st emgordon154 687 450 6ms 31 Dec 2024 462nd rambox11 686 479 4ms 24 Jun 2019 463rd BBoehm 🇩🇪 684 393 11ms 9 Feb 2021 464th squadb3 682 394 10ms 10 Oct 2019 465th elgan65536 681 524 234ms 9 Nov 2025 466th stefangimmillaro 681 536 271ms 5 May 2025 467th olivermrose 🇺🇸 680 351 34ms 26 Oct 2021 468th CatsAreFluffy 679 436 236ms 18 Dec 2023 469th yzhs 🇩🇪 677 437 219ms 25 Jul 2021 470th SirBogman 🇺🇸 675 303 40ms 9 Sep 2022 471st Andriamanitra 🇫🇮 675 359 306ms 25 Aug 2022 472nd gastropner 675 513 513ms 16 Jul 2025 473rd JRaspass 🇬🇧 675 541 289ms 23 Sep 2022 474th GolfingSuccess 🇬🇷 674 373 21ms 18 Aug 2024 475th shreyasminocha 674 399 10ms 2 Aug 2020 475th xkacer 🇨🇿 674 399 10ms 30 Jan 2021 475th mrxz 🇳🇱 674 399 10ms 9 May 2021 478th dijs 672 400 10ms 21 Dec 2019 479th Yewzir 🇧🇪 670 138 32ms 24 Dec 2023 480th HumanoidCPU 667 403 11ms 23 days ago First Prev 401–480 of 1,052 Next Last