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 641st avavuvu 509 528 10ms 20 Jun 2025 642nd somebody1234 507 530 11ms 12 Nov 2018 643rd phdphil 503 247 317ms 28 Mar 2018 644th ryguyNelson 501 656 4ms 6 Oct 2020 645th InigoK 🇺🇸 500 380 13ms 11 Jun 2023 645th dokutan 500 380 16ms 23 Oct 2025 647th CatsAreFluffy 499 381 19ms 14 Dec 2022 648th MeWhenI 🇻🇦 498 203 44ms 4 Sep 2024 649th RYNO8 497 382 13ms 4 Sep 2023 649th SB-945 497 382 13ms 25 Mar 2024 651st jhcole 496 383 15ms 25 Apr 2020 651st SniperSmiley 🇺🇸 496 383 13ms 18 Dec 2022 651st mbittner20 496 383 13ms 27 May 2023 654th janbehrens 🇩🇪 495 351 26ms 28 May 2021 655th CommandLeo 🇮🇹 495 384 19ms 21 days ago 656th hyvyys 494 553 7ms 21 Jul 2019 657th mtirado1 494 683 5ms 23 Dec 2022 658th CaedenHarper 🇨🇦 493 385 33ms 3 Oct 2025 659th labster 492 360 3ms 10 May 2018 660th blaztoma 🇱🇹 492 386 19ms 4 Oct 2025 660th snoozingnewt 🇨🇦 492 386 23ms 27 days ago 660th iliaspapa 492 386 13ms 7 days ago 663rd guilhem-roy 🇫🇷 491 387 20ms 7 Mar 2022 664th ZakkkkAttackkkk 🇵🇭 490 388 32ms 20 Sep 2023 664th cros107 🇦🇺 490 388 14ms 11 Jun 2025 664th retrohun 490 388 12ms 23 Jul 2025 667th dokutan 489 550 11ms 16 days ago 668th retrohun 488 356 25ms 29 Oct 2019 669th abailey2020 🇺🇸 488 389 20ms 13 Dec 2020 669th Mabeloid 🇳🇴 488 389 15ms 4 May 2025 671st baumpilz 488 492 435ms 20 Jan 2021 672nd commandblockguy 🇺🇸 487 390 25ms 26 Sep 2023 673rd fgrosshans 🇫🇷 486 391 14ms 30 Mar 2022 673rd FlorianCassayre 🇫🇷 486 391 21ms 11 Mar 2023 675th davecame 485 392 13ms 24 Oct 2023 676th adamnielson42 🇺🇸 485 543 30ms 11 Jan 2024 677th Shanethegamer 🇺🇸 484 468 112ms 17 Dec 2024 678th HCRitter 🇩🇪 484 511 327ms 1 Nov 2023 679th owenoclee 484 555 10ms 7 Oct 2017 680th jared-hughes 483 360 817ms 22 Apr 2022 681st chartung17 483 393 15ms 14 Jan 2024 682nd c0d3-4-F00d 🇩🇪 483 610 361ms 21 Nov 2021 683rd cure-honey 🇯🇵 483 823 56ms 27 Apr 2020 684th adamnielson42 🇺🇸 482 394 13ms 24 May 2023 685th FortuiteMan 🇫🇷 481 395 19ms 11 days ago 686th DrPiranoid 480 396 14ms 10 Oct 2022 686th Troon 480 396 20ms 19 Aug 2025 686th Lv0Sys 🇵🇱 480 396 19ms 20 days ago 689th rifatx 479 615 435ms 22 Jul 2024 690th qpwoeirut 477 398 12ms 11 Aug 2025 691st najs91 477 618 415ms 15 Oct 2024 692nd Flekay 🇩🇪 476 399 19ms 10 Jul 2025 693rd nephila-nacrea 🇬🇧 475 373 6ms 17 Jan 2018 694th knutae 🇳🇴 475 400 12ms 16 Nov 2021 695th DialFrost 🇸🇬 475 648 24ms 4 Feb 2023 696th martinnorling 🇸🇪 474 401 13ms 2 Mar 2022 697th HumanEquivalentUnit 474 646 18ms 28 Nov 2023 698th Fishron 473 402 15ms 18 Jun 2022 698th stefangimmillaro 473 402 13ms 10 Nov 2023 700th pikti 472 625 339ms 21 Nov 2021 701st Indivicivet 471 403 24ms 30 Mar 2021 701st zach333 471 403 13ms 12 Jul 2024 703rd DialFrost 🇸🇬 470 404 22ms 24 Feb 2024 704th TheZwierzLF 🇵🇱 469 509 55ms 43 hours ago 705th aalec 468 406 20ms 26 days ago 706th d4rkne55 468 584 6ms 23 Feb 2018 707th argusdusty 🇺🇸 467 407 19ms 1 Jan 2021 708th Ashikpaul 🇮🇳 466 577 10ms 9 May 2021 709th emgordon154 465 409 20ms 21 Sep 2025 710th Neofox 462 592 5ms 18 Nov 2017 711th EnTerr 461 412 19ms 8 Sep 2024 712th KatieLG 🇬🇧 461 754 16ms 25 May 2024 713th Shanethegamer 🇺🇸 461 862 46ms 23 Dec 2021 714th jotslo 🇬🇧 458 415 14ms 12 Jul 2021 715th richard-oelze 🇩🇪 457 416 19ms 19 Apr 2021 715th rollershutter 457 416 19ms 17 Apr 2024 717th Schmitt-Very-Cool 457 525 611ms 3 Oct 2025 718th msbranicky 455 203 63ms 25 Dec 2023 719th jakobkordez 🇸🇮 455 418 13ms 30 Nov 2022 720th Europe2048 453 419 13ms 2 Dec 2024 First Prev 641–720 of 1,052 Next Last
