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 481st postie77 667 442 335ms 23 May 2023 482nd tobeannouncd 667 444 223ms 12 Jan 2024 483rd arctouch-cristiannevianna 665 443 361ms 28 Feb 2024 484th cafehaine 🇫🇷 665 508 4ms 6 Sep 2021 485th tayloia 🇬🇧 664 405 11ms 15 May 2023 486th CaedenHarper 🇨🇦 663 385 794ms 11 Sep 2025 487th stefangimmillaro 662 365 985ms 4 Oct 2022 488th alexsave 662 406 10ms 16 days ago 489th targrik 662 413 11ms 17 Jan 2025 490th pzagrebin 660 349 52ms 16 Jul 2022 491st emgordon154 660 381 16ms 22 Sep 2024 492nd HumanoidCPU 660 498 4ms 23 days ago 493rd Phil-RGOMEGA 660 512 4ms 9 May 2023 494th dokutan 655 477 5ms 9 Apr 2025 495th Shanethegamer 🇺🇸 654 276 3ms 15 Dec 2022 496th malworthy 654 451 344ms 18 Oct 2023 497th SmartK8 🇨🇿 651 453 372ms 12 Nov 2022 498th alphafalfa 649 360 6ms 25 Oct 2024 499th klixel 🇨🇦 648 550 181ms 19 Jun 2023 500th lifthrasiir 🇰🇷 647 279 3ms 28 Nov 2024 501st tomh1012 646 416 10ms 21 Sep 2020 502nd djeedjay 🇳🇱 644 510 5ms 27 Oct 2020 503rd yokasuretsu 643 371 39ms 19 Apr 2018 504th wansacis 🇩🇪 643 418 10ms 14 Jun 2022 505th SirBogman 🇺🇸 642 281 5ms 8 Aug 2024 506th error256 642 353 1,958ms 8 Jun 2025 507th jgbaldwinbrown 641 570 289ms 6 Jul 2021 508th lynn 640 297 182ms 6 Apr 2021 509th ReidZ3 🇺🇸 639 463 228ms 2 Dec 2020 509th boxjelly 639 463 227ms 14 Mar 2022 511th citsur 638 464 244ms 20 Jun 2019 512th Widgitty 638 515 5ms 24 Sep 2025 513th JRaspass 🇬🇧 637 278 4ms 7 Oct 2020 513th Shanethegamer 🇺🇸 637 278 4ms 16 Dec 2021 515th acollett89 637 422 11ms 1 Aug 2025 516th RockOfStone 634 533 4ms 9 Mar 2024 517th SpareManiKatti 631 426 10ms 9 Sep 2021 518th MeWhenI 🇻🇦 631 486 22ms 18 Nov 2021 519th dokutan 631 488 5ms 15 days ago 520th albanian-laundromat 630 371 5ms 11 Jul 2025 521st pandapawskat 630 521 4ms 1 Sep 2021 522nd primo-ppcg 🇹🇭 627 383 453ms 29 Sep 2021 523rd snoozingnewt 🇨🇦 625 471 92ms 19 Oct 2025 524th CarsonChr 🇺🇸 618 435 10ms 21 May 2023 525th emgordon154 618 562 14ms 10 Jun 2025 526th KatieLG 🇬🇧 615 393 993ms 25 Apr 2021 527th madeforlosers 615 437 11ms 13 Sep 2024 528th snoozingnewt 🇨🇦 615 537 163ms 13 Sep 2025 529th cmayer777 614 535 4ms 20 Dec 2022 530th jaredcrystal 🇺🇸 613 389 41ms 13 Dec 2018 531st h3ra993huskp 🇯🇵 613 392 475ms 18 days ago 532nd roavin 613 481 350ms 30 Jun 2022 533rd bac0id 611 538 3ms 24 Dec 2024 534th neihousaigaai 610 394 417ms 2 Apr 2021 534th kmathis22 610 394 536ms 10 days ago 536th RegularSalamander 610 441 10ms 30 Jan 2022 537th rbertram90 🇬🇧 610 448 5ms 3 May 2025 538th ericlangedijk 🇸🇮 610 483 353ms 18 Mar 2022 539th gnlow 🇰🇷 607 443 10ms 27 Jan 2022 540th IISResetMe 606 408 316ms 7 Mar 2024 541st Laksen 🇩🇰 606 656 25ms 9 Jul 2021 542nd MattShaile 604 445 11ms 13 Apr 2022 543rd mckymsh 603 446 13ms 14 Feb 2024 543rd XenThe 🇬🇧 603 446 10ms 23 Jun 2025 545th Meowsan91 🇨🇿 603 489 342ms 21 Nov 2021 546th biinari 599 398 35ms 18 Mar 2018 547th samthidny 599 449 10ms 13 Apr 2022 548th emgordon154 597 405 1,364ms 20 Nov 2024 549th two-bad 🇬🇧 597 450 10ms 25 Feb 2024 550th janbehrens 🇩🇪 596 403 438ms 5 Jul 2021 551st bac0id 593 584 2,619ms 10 Jan 2025 552nd lahell 591 418 413ms 17 Jun 2020 553rd BlueSky555 591 586 2,866ms 8 Aug 2024 554th msbranicky 591 603 250ms 6 Oct 2023 555th BettaGeorge 590 300 4ms 24 Dec 2017 556th namelessiw 590 407 456ms 10 Oct 2025 557th Waffle3z 589 405 34ms 6 Jul 2021 558th bzijlema 🇳🇱 585 325 13ms 7 Jul 2025 559th jorbDehmel 🇺🇸 585 592 1,318ms 8 Jun 2023 560th mrmena 🇦🇺 584 580 44ms 8 May 2024 First Prev 481–560 of 1,052 Next Last
