The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Number Spiral 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 641st DialFrost 🇸🇬 488 62 2ms 31 Jan 2024 642nd blaztoma 🇱🇹 488 128 35ms 15 Oct 2025 643rd ndren 488 309 7ms 3 Mar 2024 643rd snoozingnewt 🇨🇦 488 309 7ms 3 Oct 2025 645th MeWhenI 🇻🇦 486 158 1,185ms 11 May 2023 646th klixel 🇨🇦 486 184 1ms 30 May 2023 647th bbakersmith 486 237 13ms 7 Jun 2022 648th JRaspass 🇬🇧 485 307 2ms 25 Jan 2022 648th KatieLG 🇬🇧 485 307 1ms 27 Jan 2022 648th DaCuteRaccoon 485 307 1ms 15 May 2022 648th KatieLG-Transpiler 🇬🇧 485 307 1ms 24 Jun 2022 648th vroup 🇩🇰 485 307 1ms 28 Sep 2022 648th retrohun 485 307 1ms 28 Dec 2022 648th theunofficialcoder 485 307 1ms 7 Jan 2024 648th dokutan 485 307 1ms 12 Jan 2024 648th HumanoidCPU 485 307 1ms 22 Apr 2024 648th Herbert00709 🇵🇱 485 307 1ms 24 Apr 2024 648th Shanethegamer 🇺🇸 485 307 1ms 15 Aug 2024 648th Mabeloid 🇳🇴 485 307 1ms 4 Oct 2024 648th CaedenHarper 🇨🇦 485 307 1ms 12 Aug 2025 661st knutae 🇳🇴 484 130 9ms 3 Feb 2022 662nd dokutan 483 233 104ms 12 days ago 663rd aposteriorist 🇨🇦 483 234 434ms 24 Mar 2022 664th Shanethegamer 🇺🇸 480 50 32ms 25 Jan 2022 664th scpchicken 🇵🇼 480 50 36ms 13 Mar 2022 664th yzhs 🇩🇪 480 50 33ms 6 Jun 2022 664th neel11235813 480 50 33ms 12 Feb 2023 668th cros107 🇦🇺 480 131 9ms 25 Dec 2024 668th andrewjc2000 480 131 16ms 31 Jul 2025 670th moikaturns 🇬🇧 480 169 9ms 15 Nov 2022 670th xyangst 480 169 9ms 2 Oct 2024 672nd janbehrens 🇩🇪 479 243 395ms 16 May 2023 673rd stertooy 🇧🇪 477 132 10ms 14 Jun 2024 673rd robin-scragg 477 132 10ms 21 Oct 2025 673rd qpwoeirut 477 132 10ms 25 Nov 2025 676th typeswitch-dev 🇵🇹 477 249 3ms 6 Aug 2023 677th CatsAreFluffy 474 318 9ms 12 Mar 2023 677th annaproxy 474 318 7ms 12 Mar 2023 677th HumanoidCPU 474 318 7ms 17 days ago 680th DaCuteRaccoon 472 64 2ms 15 May 2022 681st janbehrens 🇩🇪 471 130 1,793ms 23 Feb 2022 682nd neihousaigaai 471 172 8ms 28 Jan 2022 683rd OllieBoyne 🇬🇧 470 134 9ms 14 Apr 2022 684th CaedenHarper 🇨🇦 469 164 74ms 11 Aug 2025 685th stefangimmillaro 466 135 13ms 10 Nov 2023 685th RaBa21 🇭🇺 466 135 9ms 18 Jul 2025 687th violeta-desantis 466 192 1ms 27 Apr 2024 688th arctouch-cristiannevianna 466 218 364ms 4 Mar 2024 689th razetime 465 65 2ms 26 Jan 2022 689th Shanethegamer 🇺🇸 465 65 2ms 20 May 2022 689th bwenstar 465 65 2ms 11 Aug 2022 689th trist224 🇫🇷 465 65 2ms 28 Nov 2022 689th rucin93 🇵🇱 465 65 2ms 3 May 2023 689th snoozingnewt 🇨🇦 465 65 2ms 7 Sep 2023 689th neel11235813 465 65 2ms 20 Nov 2023 689th FortuiteMan 🇫🇷 465 65 2ms 10 Oct 2024 689th LostSyntax21 🇬🇧 465 65 2ms 19 Jan 2025 698th jerrandolph 464 277 269ms 20 Oct 2023 699th quimey 463 136 11ms 12 Jun 2023 699th cingulataluke 463 136 10ms 26 Aug 2023 701st msbranicky 463 212 2ms 3 Oct 2023 702nd Shanethegamer 🇺🇸 463 341 472ms 13 Jan 2025 702nd KatieLG 🇬🇧 463 341 460ms 13 Jan 2025 702nd HumanoidCPU 463 341 477ms 13 Jan 2025 702nd dokutan 463 341 470ms 13 Jan 2025 702nd CaedenHarper 🇨🇦 463 341 487ms 25 Jan 2025 702nd MeWhenI 🇻🇦 463 341 457ms 10 Feb 2025 708th dokutan 462 186 1ms 1 Apr 2024 709th thisishowmymindworks 🇳🇴 461 176 9ms 2 Jul 2024 710th KatieLG 🇬🇧 461 327 7ms 12 Mar 2023 710th msbranicky 461 327 8ms 15 Sep 2023 712th dokutan 460 217 38ms 4 Oct 2024 713th bac0id 460 241 75ms 23 Feb 2024 714th olleicua 🇺🇸 459 136 35ms 15 Feb 2024 715th Lv0Sys 🇵🇱 458 177 9ms 18 days ago 716th retrohun 458 184 20ms 30 Jan 2022 717th JunkIce 456 138 16ms 23 Jan 2025 718th MeWhenI 🇻🇦 455 176 705ms 15 Sep 2025 719th dokutan 454 195 4ms 19 Aug 2024 720th HumanoidCPU 452 170 70ms 28 Apr 2024 First Prev 641–720 of 1,708 Next Last