The Calendar hole will go live in approximately 5 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 snoozingnewt 🇨🇦 678 151 4ms 2 Jun 2024 642nd Shanethegamer 🇺🇸 677 60 63ms 2 Jun 2022 642nd DialFrost 🇸🇬 677 60 50ms 14 Mar 2025 642nd jared-hughes 677 60 47ms 35 hours ago 645th CaedenHarper 🇨🇦 677 66 817ms 10 Sep 2025 645th albanian-laundromat 677 66 822ms 12 Sep 2025 647th yokasuretsu 677 84 11ms 14 Apr 2018 648th fitzdotlol 🇺🇸 677 86 11ms 29 Mar 2022 648th Lv0Sys 🇵🇱 677 86 12ms 27 Nov 2025 650th MeWhenI 🇻🇦 676 37 32ms 29 Aug 2023 651st SirBogman 🇺🇸 676 86 849ms 21 Feb 2024 652nd SirBogman 🇺🇸 675 152 43ms 3 Jun 2025 653rd rak1507 🇬🇧 674 44 364ms 9 Jan 2021 653rd Andriamanitra 🇫🇮 674 44 193ms 23 Sep 2022 653rd TheLastZombie 674 44 2,104ms 27 Jun 2024 656th bend-n 673 152 3ms 28 Jan 2024 656th prestosilver 🇺🇸 673 152 22ms 24 days ago 658th marcin7Cd 672 97 167ms 13 Mar 2021 659th Ripick 672 202 418ms 31 Jul 2024 660th Herbert00709 🇵🇱 670 40 64ms 5 May 2024 661st Sam-Vrgl 670 87 10ms 13 May 2025 661st 52525rr 670 87 11ms 12 Jun 2025 661st JOrE20 🇺🇸 670 87 15ms 4 Nov 2025 664th primo-ppcg 🇹🇭 669 52 14ms 29 Nov 2020 664th trinityy-7 669 52 37ms 14 Mar 2024 666th Bulmenisaurus 669 85 1,915ms 19 Mar 2025 666th Lv0Sys 🇵🇱 669 85 11ms 5 Jun 2025 668th m-tkach 🇺🇦 669 180 402ms 26 May 2022 668th MeWhenI 🇻🇦 669 180 73ms 21 May 2023 670th MeWhenI 🇻🇦 668 200 3,065ms 3 Sep 2023 671st MeWhenI 🇻🇦 667 76 278ms 28 Jan 2023 672nd olleicua 🇺🇸 666 61 49ms 13 Mar 2024 672nd tatzyr 🇯🇵 666 61 47ms 26 Dec 2024 674th janbehrens 🇩🇪 665 181 401ms 15 May 2023 674th oceko 665 181 427ms 13 Feb 2024 676th scpchicken 🇵🇼 664 57 3,373ms 13 Feb 2023 677th Pimentero 🇷🇺 662 88 10ms 2 Apr 2021 677th jansekulowicz 662 88 10ms 8 May 2022 679th yzhs 🇩🇪 661 86 30ms 25 Oct 2020 679th FCORMERAIS 661 86 10ms 5 Mar 2024 681st Bubbler-4 661 88 2,085ms 27 Jan 2022 682nd anter69 🇭🇺 661 95 951ms 22 Feb 2023 683rd DialFrost 🇸🇬 660 155 3ms 6 Sep 2024 684th voytxt 🇨🇿 659 45 1,973ms 19 May 2022 685th rucin93 🇵🇱 659 181 540ms 24 Sep 2025 685th namelessiw 659 181 464ms 15 Nov 2025 687th stefangimmillaro 659 208 151ms 21 Oct 2023 688th LostSyntax21 🇬🇧 655 62 45ms 22 Aug 2024 688th Lv0Sys 🇵🇱 655 62 46ms 5 Jun 2025 688th blaztoma 🇱🇹 655 62 47ms 32 hours ago 688th Yewzir 🇧🇪 655 62 43ms 20 hours ago 692nd taklam 655 89 10ms 27 May 2020 692nd xyangst 655 89 10ms 8 Oct 2024 692nd gigaprofisi 🇺🇸 655 89 79ms 25 Jul 2025 695th MeWhenI 🇻🇦 655 183 51ms 17 Feb 2023 696th CaedenHarper 🇨🇦 652 183 751ms 30 Oct 2025 696th MeWhenI 🇻🇦 652 183 435ms 7 Nov 2025 698th bendiscz 652 223 305ms 20 Apr 2020 698th CaedenHarper 🇨🇦 652 223 282ms 20 Nov 2025 700th emgordon154 651 105 43ms 10 Dec 2024 701st AlephSquirrel 650 206 137ms 3 Aug 2023 702nd stefangimmillaro 649 218 129ms 6 Nov 2023 703rd m-tkach 🇺🇦 648 158 8ms 26 May 2022 703rd janbehrens 🇩🇪 648 158 7ms 15 May 2023 705th Andrey-Plotnikov 647 90 11ms 25 Jun 2025 705th XenThe 🇬🇧 647 90 11ms 1 Jul 2025 707th knutae 🇳🇴 646 88 14ms 10 Apr 2018 707th daedals 646 88 14ms 6 Jun 2019 707th urojony 🇵🇱 646 88 15ms 3 Jan 2021 707th elmoiv 🇪🇬 646 88 14ms 23 Jun 2021 707th RYNO8 646 88 2,399ms 27 Aug 2021 707th LouisRustenholz 646 88 25ms 23 Dec 2021 707th Bonjour27891 🇻🇳 646 88 23ms 11 Mar 2022 707th scpchicken 🇵🇼 646 88 25ms 19 Mar 2022 707th fourth-bit 646 88 17ms 9 Dec 2022 707th DrPiranoid 646 88 15ms 26 Mar 2023 707th BREMAUCY 🇫🇷 646 88 15ms 29 Apr 2024 707th qpwoeirut 646 88 24ms 2 Oct 2025 719th stefangimmillaro 645 185 476ms 6 Oct 2025 720th somebody1234 644 46 205ms 11 Dec 2018 First Prev 641–720 of 3,946 Next Last