The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
π 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 640th UladzimirSukharukau 680 60 48ms 15 Sep 2021 640th pilaf 🇦🇷 680 60 41ms 14 Apr 2022 640th Shanethegamer 🇺🇸 680 60 69ms 2 Jun 2022 640th jared-hughes 680 60 42ms 12 Sep 2022 640th 4hg 🇺🇸 680 60 49ms 29 Dec 2022 640th BREMAUCY 🇫🇷 680 60 48ms 27 Mar 2024 640th DialFrost 🇸🇬 680 60 53ms 14 Mar 2025 648th kejcao 🇨🇦 680 177 83ms 11 May 2024 649th dokutan 680 196 3ms 12 Aug 2024 650th ovs-code 🇩🇪 678 118 2,728ms 16 Aug 2023 651st kejcao 🇨🇦 678 151 4ms 10 May 2024 651st snoozingnewt 🇨🇦 678 151 4ms 2 Jun 2024 653rd CaedenHarper 🇨🇦 677 66 817ms 10 Sep 2025 653rd albanian-laundromat 677 66 822ms 12 Sep 2025 655th yokasuretsu 677 84 11ms 14 Apr 2018 656th fitzdotlol 🇺🇸 677 86 11ms 29 Mar 2022 656th Lv0Sys 🇵🇱 677 86 12ms 20 days ago 658th MeWhenI 🇻🇦 676 37 32ms 29 Aug 2023 659th SirBogman 🇺🇸 676 86 849ms 21 Feb 2024 660th SirBogman 🇺🇸 675 152 43ms 3 Jun 2025 661st rak1507 🇬🇧 674 44 467ms 9 Jan 2021 661st Andriamanitra 🇫🇮 674 44 209ms 23 Sep 2022 661st TheLastZombie 674 44 2,104ms 27 Jun 2024 664th bend-n 673 152 3ms 28 Jan 2024 664th prestosilver 🇺🇸 673 152 22ms 16 days ago 666th marcin7Cd 672 97 167ms 13 Mar 2021 667th Ripick 672 202 418ms 31 Jul 2024 668th Herbert00709 🇵🇱 670 40 99ms 5 May 2024 669th Sam-Vrgl 670 87 10ms 13 May 2025 669th 52525rr 670 87 11ms 12 Jun 2025 669th JOrE20 🇺🇸 670 87 16ms 4 Nov 2025 672nd primo-ppcg 🇹🇭 669 52 14ms 29 Nov 2020 672nd trinityy-7 669 52 37ms 14 Mar 2024 674th Bulmenisaurus 669 85 1,915ms 19 Mar 2025 674th Lv0Sys 🇵🇱 669 85 11ms 5 Jun 2025 676th m-tkach 🇺🇦 669 180 555ms 26 May 2022 676th MeWhenI 🇻🇦 669 180 82ms 21 May 2023 678th jaredcrystal 🇺🇸 668 61 51ms 18 Sep 2018 678th meenie 668 61 44ms 14 Mar 2021 678th gilufin 668 61 43ms 31 May 2021 678th emgordon154 668 61 48ms 23 Dec 2021 678th Haksell 🇦🇶 668 61 42ms 22 Feb 2023 678th 3dm4n 🇫🇮 668 61 43ms 2 Mar 2024 678th Yewzir 🇧🇪 668 61 40ms 9 Mar 2024 678th olleicua 🇺🇸 668 61 40ms 13 Mar 2024 678th edsrzf 🇳🇿 668 61 57ms 15 Oct 2024 678th tatzyr 🇯🇵 668 61 39ms 26 Dec 2024 678th blaztoma 🇱🇹 668 61 54ms 12 Oct 2025 689th MeWhenI 🇻🇦 668 200 3,065ms 3 Sep 2023 690th MeWhenI 🇻🇦 667 76 278ms 28 Jan 2023 691st janbehrens 🇩🇪 665 181 412ms 15 May 2023 691st oceko 665 181 427ms 13 Feb 2024 693rd scpchicken 🇵🇼 664 57 4,935ms 13 Feb 2023 694th Pimentero 🇷🇺 662 88 10ms 2 Apr 2021 694th jansekulowicz 662 88 10ms 8 May 2022 696th yzhs 🇩🇪 661 86 30ms 25 Oct 2020 696th FCORMERAIS 661 86 10ms 5 Mar 2024 698th Bubbler-4 661 88 2,085ms 27 Jan 2022 699th anter69 🇭🇺 661 95 951ms 22 Feb 2023 700th DialFrost 🇸🇬 660 155 3ms 6 Sep 2024 701st voytxt 🇨🇿 659 45 2,164ms 19 May 2022 702nd rucin93 🇵🇱 659 181 540ms 24 Sep 2025 702nd namelessiw 659 181 464ms 15 Nov 2025 704th stefangimmillaro 659 208 155ms 21 Oct 2023 705th vonagam 658 62 50ms 9 Nov 2017 705th sapphyrus 658 62 47ms 4 Aug 2019 705th proton 🇩🇪 658 62 43ms 8 Jun 2020 705th hiddicop 🇸🇪 658 62 55ms 23 Jan 2021 705th m-tkach 🇺🇦 658 62 41ms 12 Dec 2022 705th LostSyntax21 🇬🇧 658 62 40ms 22 Aug 2024 705th Lv0Sys 🇵🇱 658 62 43ms 5 Jun 2025 705th RaBa21 🇭🇺 658 62 44ms 19 Jul 2025 705th trinityy-7 658 62 45ms 29 Jul 2025 714th taklam 655 89 10ms 27 May 2020 714th xyangst 655 89 10ms 8 Oct 2024 714th gigaprofisi 🇺🇸 655 89 79ms 25 Jul 2025 717th MeWhenI 🇻🇦 655 183 51ms 17 Feb 2023 718th Waffle3z 654 156 135ms 8 Apr 2022 719th CaedenHarper 🇨🇦 652 183 751ms 30 Oct 2025 719th MeWhenI 🇻🇦 652 183 435ms 7 Nov 2025 First Prev 641–720 of 3,979 Next Last