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 481st tobeannouncd 667 444 223ms 12 Jan 2024 482nd arctouch-cristiannevianna 665 443 361ms 28 Feb 2024 483rd cafehaine 🇫🇷 665 508 3ms 6 Sep 2021 484th tayloia 🇬🇧 664 405 11ms 15 May 2023 485th CaedenHarper 🇨🇦 663 385 794ms 11 Sep 2025 486th stefangimmillaro 662 365 985ms 4 Oct 2022 487th alexsave 662 406 10ms 23 days ago 488th targrik 662 413 13ms 17 Jan 2025 489th pzagrebin 660 349 52ms 16 Jul 2022 490th emgordon154 660 381 16ms 22 Sep 2024 491st HumanoidCPU 660 498 4ms 25 Nov 2025 492nd Phil-RGOMEGA 660 512 3ms 9 May 2023 493rd dokutan 655 477 5ms 9 Apr 2025 494th Shanethegamer 🇺🇸 654 276 3ms 15 Dec 2022 495th malworthy 654 451 344ms 18 Oct 2023 496th SmartK8 🇨🇿 651 453 372ms 12 Nov 2022 497th alphafalfa 649 360 6ms 25 Oct 2024 498th klixel 🇨🇦 648 550 180ms 19 Jun 2023 499th lifthrasiir 🇰🇷 647 279 3ms 28 Nov 2024 500th tomh1012 646 416 10ms 21 Sep 2020 501st djeedjay 🇳🇱 644 510 5ms 27 Oct 2020 502nd yokasuretsu 643 371 42ms 19 Apr 2018 503rd wansacis 🇩🇪 643 418 10ms 14 Jun 2022 504th SirBogman 🇺🇸 642 281 5ms 8 Aug 2024 505th error256 642 353 1,958ms 8 Jun 2025 506th jgbaldwinbrown 641 570 289ms 6 Jul 2021 507th lynn 640 297 182ms 6 Apr 2021 508th ReidZ3 🇺🇸 639 463 228ms 2 Dec 2020 508th boxjelly 639 463 227ms 14 Mar 2022 510th citsur 638 464 244ms 20 Jun 2019 511th Widgitty 638 515 5ms 24 Sep 2025 512th JRaspass 🇬🇧 637 278 4ms 7 Oct 2020 512th Shanethegamer 🇺🇸 637 278 4ms 16 Dec 2021 514th acollett89 637 422 11ms 1 Aug 2025 515th RockOfStone 634 533 3ms 9 Mar 2024 516th SpareManiKatti 631 426 10ms 9 Sep 2021 517th MeWhenI 🇻🇦 631 486 22ms 18 Nov 2021 518th dokutan 631 488 5ms 22 days ago 519th albanian-laundromat 630 371 5ms 11 Jul 2025 520th pandapawskat 630 521 4ms 1 Sep 2021 521st primo-ppcg 🇹🇭 627 383 453ms 29 Sep 2021 522nd snoozingnewt 🇨🇦 625 471 92ms 19 Oct 2025 523rd CarsonChr 🇺🇸 618 435 10ms 21 May 2023 524th emgordon154 618 562 14ms 10 Jun 2025 525th KatieLG 🇬🇧 615 393 993ms 25 Apr 2021 526th madeforlosers 615 437 11ms 13 Sep 2024 527th snoozingnewt 🇨🇦 615 537 163ms 13 Sep 2025 528th cmayer777 614 535 4ms 20 Dec 2022 529th jaredcrystal 🇺🇸 613 389 41ms 13 Dec 2018 530th h3ra993huskp 🇯🇵 613 392 475ms 25 days ago 531st roavin 613 481 350ms 30 Jun 2022 532nd bac0id 611 538 3ms 24 Dec 2024 533rd neihousaigaai 610 394 417ms 2 Apr 2021 533rd kmathis22 610 394 536ms 17 days ago 535th RegularSalamander 610 441 10ms 30 Jan 2022 536th rbertram90 🇬🇧 610 448 5ms 3 May 2025 537th ericlangedijk 🇸🇮 610 483 353ms 18 Mar 2022 538th gnlow 🇰🇷 607 443 10ms 27 Jan 2022 539th IISResetMe 606 408 297ms 7 Mar 2024 540th Laksen 🇩🇰 606 656 25ms 9 Jul 2021 541st MattShaile 604 445 11ms 13 Apr 2022 542nd mckymsh 603 446 13ms 14 Feb 2024 542nd XenThe 🇬🇧 603 446 10ms 23 Jun 2025 544th Meowsan91 🇨🇿 603 489 342ms 21 Nov 2021 545th biinari 599 398 39ms 18 Mar 2018 546th samthidny 599 449 10ms 13 Apr 2022 547th emgordon154 597 405 1,364ms 20 Nov 2024 548th two-bad 🇬🇧 597 450 10ms 25 Feb 2024 549th janbehrens 🇩🇪 596 403 438ms 5 Jul 2021 550th bac0id 593 584 2,619ms 10 Jan 2025 551st lahell 591 418 391ms 17 Jun 2020 552nd BlueSky555 591 586 2,507ms 8 Aug 2024 553rd msbranicky 591 603 250ms 6 Oct 2023 554th BettaGeorge 590 300 4ms 24 Dec 2017 555th namelessiw 590 407 456ms 10 Oct 2025 556th Waffle3z 589 405 41ms 6 Jul 2021 557th bzijlema 🇳🇱 585 325 13ms 7 Jul 2025 558th jorbDehmel 🇺🇸 585 592 1,065ms 8 Jun 2023 559th mrmena 🇦🇺 584 580 44ms 8 May 2024 560th boxjelly 581 565 4ms 17 Feb 2021 First Prev 481–560 of 1,051 Next Last
