The Calendar hole will go live in approximately 13 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 ndren 488 309 7ms 3 Mar 2024 641st snoozingnewt 🇨🇦 488 309 7ms 3 Oct 2025 643rd MeWhenI 🇻🇦 486 158 1,185ms 11 May 2023 644th klixel 🇨🇦 486 184 1ms 30 May 2023 645th bbakersmith 486 237 13ms 7 Jun 2022 646th JRaspass 🇬🇧 485 307 2ms 25 Jan 2022 646th KatieLG 🇬🇧 485 307 1ms 27 Jan 2022 646th DaCuteRaccoon 485 307 1ms 15 May 2022 646th KatieLG-Transpiler 🇬🇧 485 307 1ms 24 Jun 2022 646th vroup 🇩🇰 485 307 1ms 28 Sep 2022 646th retrohun 485 307 1ms 28 Dec 2022 646th theunofficialcoder 485 307 1ms 7 Jan 2024 646th dokutan 485 307 1ms 12 Jan 2024 646th HumanoidCPU 485 307 1ms 22 Apr 2024 646th Herbert00709 🇵🇱 485 307 1ms 24 Apr 2024 646th Shanethegamer 🇺🇸 485 307 1ms 15 Aug 2024 646th Mabeloid 🇳🇴 485 307 1ms 4 Oct 2024 646th CaedenHarper 🇨🇦 485 307 1ms 12 Aug 2025 659th knutae 🇳🇴 484 130 9ms 3 Feb 2022 660th dokutan 483 233 104ms 6 days ago 661st aposteriorist 🇨🇦 483 234 434ms 24 Mar 2022 662nd Shanethegamer 🇺🇸 480 50 32ms 25 Jan 2022 662nd scpchicken 🇵🇼 480 50 36ms 13 Mar 2022 662nd yzhs 🇩🇪 480 50 33ms 6 Jun 2022 662nd neel11235813 480 50 33ms 12 Feb 2023 666th cros107 🇦🇺 480 131 9ms 25 Dec 2024 666th andrewjc2000 480 131 16ms 31 Jul 2025 668th moikaturns 🇬🇧 480 169 9ms 15 Nov 2022 668th xyangst 480 169 9ms 2 Oct 2024 670th janbehrens 🇩🇪 479 243 395ms 16 May 2023 671st stertooy 🇧🇪 477 132 10ms 14 Jun 2024 671st robin-scragg 477 132 10ms 21 Oct 2025 671st qpwoeirut 477 132 10ms 23 days ago 674th typeswitch-dev 🇵🇹 477 249 3ms 6 Aug 2023 675th CatsAreFluffy 474 318 9ms 12 Mar 2023 675th annaproxy 474 318 7ms 12 Mar 2023 675th HumanoidCPU 474 318 7ms 11 days ago 678th DaCuteRaccoon 472 64 2ms 15 May 2022 679th janbehrens 🇩🇪 471 130 1,829ms 23 Feb 2022 680th neihousaigaai 471 172 8ms 28 Jan 2022 681st OllieBoyne 🇬🇧 469 134 9ms 14 Apr 2022 682nd CaedenHarper 🇨🇦 469 164 74ms 11 Aug 2025 683rd stefangimmillaro 466 135 13ms 10 Nov 2023 683rd RaBa21 🇭🇺 466 135 9ms 18 Jul 2025 685th violeta-desantis 466 192 1ms 27 Apr 2024 686th arctouch-cristiannevianna 466 218 364ms 4 Mar 2024 687th razetime 465 65 2ms 26 Jan 2022 687th Shanethegamer 🇺🇸 465 65 2ms 20 May 2022 687th bwenstar 465 65 2ms 11 Aug 2022 687th trist224 🇫🇷 465 65 2ms 28 Nov 2022 687th rucin93 🇵🇱 465 65 2ms 3 May 2023 687th snoozingnewt 🇨🇦 465 65 2ms 7 Sep 2023 687th neel11235813 465 65 2ms 20 Nov 2023 687th FortuiteMan 🇫🇷 465 65 2ms 10 Oct 2024 687th LostSyntax21 🇬🇧 465 65 2ms 19 Jan 2025 696th jerrandolph 464 277 269ms 20 Oct 2023 697th quimey 463 136 11ms 12 Jun 2023 697th cingulataluke 463 136 10ms 26 Aug 2023 699th msbranicky 463 212 2ms 3 Oct 2023 700th Shanethegamer 🇺🇸 463 341 472ms 13 Jan 2025 700th KatieLG 🇬🇧 463 341 460ms 13 Jan 2025 700th HumanoidCPU 463 341 477ms 13 Jan 2025 700th dokutan 463 341 470ms 13 Jan 2025 700th CaedenHarper 🇨🇦 463 341 519ms 25 Jan 2025 700th MeWhenI 🇻🇦 463 341 457ms 10 Feb 2025 706th dokutan 462 186 1ms 1 Apr 2024 707th thisishowmymindworks 🇳🇴 461 176 9ms 2 Jul 2024 708th KatieLG 🇬🇧 461 327 7ms 12 Mar 2023 708th msbranicky 461 327 8ms 15 Sep 2023 710th dokutan 460 217 38ms 4 Oct 2024 711th bac0id 460 241 88ms 23 Feb 2024 712th olleicua 🇺🇸 459 136 51ms 15 Feb 2024 713th Lv0Sys 🇵🇱 458 177 9ms 12 days ago 714th retrohun 458 184 33ms 30 Jan 2022 715th JunkIce 456 138 16ms 23 Jan 2025 716th MeWhenI 🇻🇦 455 176 705ms 15 Sep 2025 717th dokutan 454 195 4ms 19 Aug 2024 718th HumanoidCPU 452 170 70ms 28 Apr 2024 719th MeWhenI 🇻🇦 450 158 2ms 16 Apr 2023 720th hamhub7 450 226 331ms 12 Aug 2022 First Prev 641–720 of 1,706 Next Last