The Calendar hole will go live in approximately 6 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 641st yokasuretsu 677 84 11ms 14 Apr 2018 642nd fitzdotlol 🇺🇸 677 86 11ms 29 Mar 2022 642nd Lv0Sys 🇵🇱 677 86 12ms 27 Nov 2025 644th MeWhenI 🇻🇦 676 37 32ms 29 Aug 2023 645th Shanethegamer 🇺🇸 676 60 63ms 2 Jun 2022 645th DialFrost 🇸🇬 676 60 50ms 14 Mar 2025 645th jared-hughes 676 60 47ms 12 hours ago 648th SirBogman 🇺🇸 676 86 849ms 21 Feb 2024 649th SirBogman 🇺🇸 675 152 43ms 3 Jun 2025 650th rak1507 🇬🇧 674 44 364ms 9 Jan 2021 650th Andriamanitra 🇫🇮 674 44 193ms 23 Sep 2022 650th TheLastZombie 674 44 2,104ms 27 Jun 2024 653rd bend-n 673 152 3ms 28 Jan 2024 653rd prestosilver 🇺🇸 673 152 22ms 23 days ago 655th marcin7Cd 672 97 167ms 13 Mar 2021 656th Ripick 672 202 418ms 31 Jul 2024 657th Herbert00709 🇵🇱 670 40 64ms 5 May 2024 658th Sam-Vrgl 670 87 10ms 13 May 2025 658th 52525rr 670 87 11ms 12 Jun 2025 658th JOrE20 🇺🇸 670 87 15ms 4 Nov 2025 661st primo-ppcg 🇹🇭 669 52 14ms 29 Nov 2020 661st trinityy-7 669 52 37ms 14 Mar 2024 663rd Bulmenisaurus 669 85 1,915ms 19 Mar 2025 663rd Lv0Sys 🇵🇱 669 85 11ms 5 Jun 2025 665th m-tkach 🇺🇦 669 180 402ms 26 May 2022 665th MeWhenI 🇻🇦 669 180 73ms 21 May 2023 667th MeWhenI 🇻🇦 668 200 3,065ms 3 Sep 2023 668th MeWhenI 🇻🇦 667 76 278ms 28 Jan 2023 669th emgordon154 665 61 43ms 23 Dec 2021 669th olleicua 🇺🇸 665 61 49ms 13 Mar 2024 669th tatzyr 🇯🇵 665 61 47ms 26 Dec 2024 672nd janbehrens 🇩🇪 665 181 401ms 15 May 2023 672nd oceko 665 181 427ms 13 Feb 2024 674th scpchicken 🇵🇼 664 57 3,373ms 13 Feb 2023 675th Pimentero 🇷🇺 662 88 10ms 2 Apr 2021 675th jansekulowicz 662 88 10ms 8 May 2022 677th yzhs 🇩🇪 661 86 30ms 25 Oct 2020 677th FCORMERAIS 661 86 10ms 5 Mar 2024 679th Bubbler-4 661 88 2,085ms 27 Jan 2022 680th anter69 🇭🇺 661 95 951ms 22 Feb 2023 681st DialFrost 🇸🇬 660 155 3ms 6 Sep 2024 682nd voytxt 🇨🇿 659 45 1,973ms 19 May 2022 683rd rucin93 🇵🇱 659 181 540ms 24 Sep 2025 683rd namelessiw 659 181 464ms 15 Nov 2025 685th stefangimmillaro 659 208 151ms 21 Oct 2023 686th LostSyntax21 🇬🇧 655 62 45ms 22 Aug 2024 686th Lv0Sys 🇵🇱 655 62 46ms 5 Jun 2025 686th blaztoma 🇱🇹 655 62 47ms 8 hours ago 686th dokutan 655 62 51ms 2 mins ago 690th taklam 655 89 10ms 27 May 2020 690th xyangst 655 89 10ms 8 Oct 2024 690th gigaprofisi 🇺🇸 655 89 79ms 25 Jul 2025 693rd MeWhenI 🇻🇦 655 183 51ms 17 Feb 2023 694th CaedenHarper 🇨🇦 652 183 751ms 30 Oct 2025 694th MeWhenI 🇻🇦 652 183 435ms 7 Nov 2025 696th bendiscz 652 223 305ms 20 Apr 2020 696th CaedenHarper 🇨🇦 652 223 282ms 20 Nov 2025 698th emgordon154 651 105 43ms 10 Dec 2024 699th AlephSquirrel 650 206 137ms 3 Aug 2023 700th stefangimmillaro 649 218 129ms 6 Nov 2023 701st m-tkach 🇺🇦 648 158 8ms 26 May 2022 701st janbehrens 🇩🇪 648 158 7ms 15 May 2023 703rd Andrey-Plotnikov 647 90 11ms 25 Jun 2025 703rd XenThe 🇬🇧 647 90 11ms 1 Jul 2025 705th knutae 🇳🇴 646 88 14ms 10 Apr 2018 705th daedals 646 88 14ms 6 Jun 2019 705th urojony 🇵🇱 646 88 15ms 3 Jan 2021 705th elmoiv 🇪🇬 646 88 14ms 23 Jun 2021 705th RYNO8 646 88 2,399ms 27 Aug 2021 705th LouisRustenholz 646 88 25ms 23 Dec 2021 705th Bonjour27891 🇻🇳 646 88 23ms 11 Mar 2022 705th scpchicken 🇵🇼 646 88 25ms 19 Mar 2022 705th fourth-bit 646 88 17ms 9 Dec 2022 705th DrPiranoid 646 88 15ms 26 Mar 2023 705th BREMAUCY 🇫🇷 646 88 15ms 29 Apr 2024 705th qpwoeirut 646 88 24ms 2 Oct 2025 717th stefangimmillaro 645 185 476ms 6 Oct 2025 718th somebody1234 644 46 205ms 11 Dec 2018 719th aksyristos 644 63 47ms 3 Feb 2023 719th Natanaelel 🇸🇪 644 63 52ms 30 Aug 2024 First Prev 641–720 of 3,944 Next Last