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 chars. 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 Chars Time Submitted 561st Neofox 462 592 5ms 18 Nov 2017 562nd hyvyys 461 361 11ms 19 Sep 2020 563rd KatieLG 🇬🇧 461 754 16ms 25 May 2024 564th Shanethegamer 🇺🇸 461 862 46ms 23 Dec 2021 565th keelimeguy 🇺🇸 460 242 20ms 15 May 2025 566th DialFrost 🇸🇬 455 245 25ms 10 Jan 2023 567th MeWhenI 🇻🇦 455 299 342ms 28 Jan 2023 568th Lv0Sys 🇵🇱 454 366 11ms 20 days ago 569th Schmitt-Very-Cool 454 525 611ms 3 Oct 2025 570th rambox11 452 479 4ms 24 Jun 2019 571st lgastako 452 655 208ms 2 Aug 2019 572nd AlexDaniel 🇪🇪 449 166 209ms 14 Nov 2017 573rd bac0id 449 584 2,619ms 10 Jan 2025 574th Shanethegamer 🇺🇸 448 318 142ms 17 Dec 2024 575th Feluxus 448 532 417ms 15 Nov 2021 576th rucin93 🇵🇱 447 319 151ms 27 Dec 2024 577th iczelia 🇩🇪 447 372 10ms 19 Oct 2025 578th BlueSky555 447 586 2,866ms 8 Aug 2024 579th CaedenHarper 🇨🇦 445 374 11ms 29 Aug 2025 580th Bulmenisaurus 444 251 20ms 8 Aug 2024 581st ovs-code 🇩🇪 444 309 809ms 10 Mar 2024 582nd jorbDehmel 🇺🇸 443 592 1,318ms 8 Jun 2023 583rd retrohun 441 432 6ms 23 Aug 2025 584th vaughad 440 308 859ms 22 Jan 2020 585th rumblesan 440 378 11ms 7 Dec 2018 585th voytxt 🇨🇿 440 378 11ms 19 Jun 2023 587th AlephSquirrel 439 254 14ms 22 Jan 2024 588th snoozingnewt 🇨🇦 439 543 477ms 24 Sep 2025 589th cmayer777 438 598 82ms 19 Dec 2022 590th D1CED 438 699 18ms 17 Nov 2021 591st janlelis 437 255 30ms 26 Aug 2025 592nd inventshah 436 437 132ms 27 Aug 2022 593rd Shanethegamer 🇺🇸 435 143 487ms 16 Jan 2024 594th primo-ppcg 🇹🇭 435 231 2,742ms 7 Feb 2023 595th HumanoidCPU 434 498 4ms 23 days ago 596th c0d3-4-F00d 🇩🇪 434 610 361ms 21 Nov 2021 597th luuumine 🇫🇷 430 259 20ms 21 Oct 2025 598th rifatx 430 615 435ms 22 Jul 2024 599th eranws 429 388 10ms 10 Sep 2023 600th MeWhenI 🇻🇦 429 690 234ms 6 Nov 2023 601st najs91 428 618 415ms 15 Oct 2024 602nd dokutan 428 638 18ms 17 days ago 603rd RaBa21 🇭🇺 427 261 22ms 13 Jul 2025 604th MeWhenI 🇻🇦 426 334 154ms 25 Oct 2024 605th coreynash 426 390 11ms 24 Feb 2024 605th gigaprofisi 🇺🇸 426 390 11ms 10 Aug 2025 607th MeWhenI 🇻🇦 426 618 25ms 15 Aug 2024 608th robin-scragg 425 262 22ms 27 Sep 2025 609th dsntzn 🇸🇰 425 391 11ms 18 Aug 2020 610th djeedjay 🇳🇱 424 510 5ms 27 Oct 2020 611th pikti 424 625 339ms 21 Nov 2021 612th BBoehm 🇩🇪 423 393 11ms 9 Feb 2021 613th squadb3 422 394 10ms 10 Oct 2019 614th Widgitty 420 515 5ms 24 Sep 2025 615th alemelis 418 328 795ms 23 Jul 2024 616th shreyasminocha 417 399 10ms 2 Aug 2020 616th xkacer 🇨🇿 417 399 10ms 30 Jan 2021 616th mrxz 🇳🇱 417 399 10ms 9 May 2021 619th MeWhenI 🇻🇦 417 543 118ms 6 Nov 2023 620th bwat2 417 572 426ms 24 May 2022 621st dijs 416 400 10ms 21 Dec 2019 622nd pandapawskat 415 521 4ms 1 Sep 2021 623rd yuchuehw 415 574 419ms 1 Jan 2024 624th MeWhenI 🇻🇦 413 332 535ms 14 Feb 2023 625th mcipperly 412 422 363ms 26 Aug 2018 626th joshuaxie8 412 579 403ms 9 Jul 2025 627th alexsave 410 406 10ms 16 days ago 628th mazzegi 408 896 283ms 18 Apr 2020 629th cmayer777 404 535 4ms 20 Dec 2022 630th Apataras 403 591 423ms 12 Aug 2025 631st ovs-code 🇩🇪 402 288 40ms 9 Jul 2024 632nd bac0id 402 538 3ms 24 Dec 2024 633rd sisyphus-ppcg 🇦🇺 400 290 42ms 3 Feb 2022 634th tomh1012 400 416 10ms 21 Sep 2020 635th wansacis 🇩🇪 398 418 10ms 14 Jun 2022 636th msbranicky 396 203 63ms 25 Dec 2023 637th janbehrens 🇩🇪 395 347 482ms 24 Feb 2022 638th acollett89 394 422 11ms 1 Aug 2025 639th brochmann 🇸🇪 392 284 21ms 13 Aug 2023 640th SpareManiKatti 390 426 10ms 9 Sep 2021 First Prev 561–640 of 1,048 Next Last
