The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
π in all languages in bytes. 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 Bytes Time Submitted 640th dokutan 695 44 2,334ms 26 Mar 2023 642nd GeorgeStechman 🇬🇧 694 84 21ms 20 Jun 2022 642nd Salutations45 694 84 10ms 12 Mar 2025 644th jacklynnepenick 691 92 21ms 25 Aug 2021 644th ImpressedByRocks 691 92 932ms 22 May 2025 646th MeWhenI 🇻🇦 691 144 754ms 21 Dec 2022 647th inventshah 691 148 3ms 28 Apr 2023 648th trinityy-7 690 53 37ms 14 Mar 2024 649th emgordon154 690 91 945ms 23 Dec 2021 650th stefangimmillaro 690 212 316ms 17 Oct 2023 651st marshallward 🇺🇸 689 149 53ms 6 May 2025 652nd primo-ppcg 🇹🇭 689 176 493ms 13 Jul 2020 652nd Lydxn 🇨🇦 689 176 535ms 28 Dec 2021 654th Alex-x90 🇺🇸 688 175 93ms 21 Oct 2022 655th Mandrzejy 🇵🇱 687 149 6ms 14 Apr 2024 656th xAlien95 685 85 10ms 30 Jan 2020 657th primo-ppcg 🇹🇭 685 195 2,206ms 3 Feb 2022 658th MeWhenI 🇻🇦 683 213 2,552ms 12 Jan 2025 659th prplz 🇦🇺 682 150 3ms 19 Mar 2019 660th prplz 🇦🇺 680 60 46ms 17 Oct 2020 660th fitzdotlol 🇺🇸 680 60 41ms 28 Jan 2021 660th olivermrose 🇺🇸 680 60 40ms 12 Sep 2021 660th UladzimirSukharukau 680 60 48ms 15 Sep 2021 660th pilaf 🇦🇷 680 60 41ms 14 Apr 2022 660th Shanethegamer 🇺🇸 680 60 69ms 2 Jun 2022 660th SirBogman 🇺🇸 680 60 41ms 8 Jun 2022 660th jared-hughes 680 60 42ms 12 Sep 2022 660th 4hg 🇺🇸 680 60 49ms 29 Dec 2022 660th anter69 🇭🇺 680 60 49ms 19 Jan 2023 660th BREMAUCY 🇫🇷 680 60 48ms 27 Mar 2024 660th DialFrost 🇸🇬 680 60 53ms 14 Mar 2025 672nd kejcao 🇨🇦 680 177 83ms 11 May 2024 673rd rak1507 🇬🇧 679 45 467ms 9 Jan 2021 673rd Andriamanitra 🇫🇮 679 45 209ms 23 Sep 2022 673rd TheLastZombie 679 45 2,104ms 27 Jun 2024 676th kejcao 🇨🇦 678 151 4ms 10 May 2024 676th snoozingnewt 🇨🇦 678 151 4ms 2 Jun 2024 678th primo-ppcg 🇹🇭 677 54 14ms 29 Nov 2020 679th CaedenHarper 🇨🇦 677 66 817ms 10 Sep 2025 679th albanian-laundromat 677 66 822ms 12 Sep 2025 681st fitzdotlol 🇺🇸 677 86 11ms 29 Mar 2022 681st Lv0Sys 🇵🇱 677 86 12ms 21 days ago 683rd SirBogman 🇺🇸 676 86 849ms 21 Feb 2024 684th BREMAUCY 🇫🇷 676 88 442ms 12 days ago 685th SirBogman 🇺🇸 675 152 43ms 3 Jun 2025 686th MeWhenI 🇻🇦 674 888 4ms 25 May 2022 687th bend-n 673 152 3ms 28 Jan 2024 687th prestosilver 🇺🇸 673 152 22ms 16 days ago 689th marcin7Cd 672 97 167ms 13 Mar 2021 690th Ripick 672 202 418ms 31 Jul 2024 691st Sam-Vrgl 670 87 10ms 13 May 2025 691st 52525rr 670 87 11ms 12 Jun 2025 691st JOrE20 🇺🇸 670 87 16ms 4 Nov 2025 694th btjones0 669 95 18ms 6 Dec 2021 694th quimey 669 95 84ms 16 Mar 2023 696th m-tkach 🇺🇦 669 180 555ms 26 May 2022 696th MeWhenI 🇻🇦 669 180 82ms 21 May 2023 698th rucin93 🇵🇱 669 181 540ms 24 Sep 2025 699th jaredcrystal 🇺🇸 668 61 51ms 18 Sep 2018 699th meenie 668 61 44ms 14 Mar 2021 699th gilufin 668 61 43ms 31 May 2021 699th emgordon154 668 61 48ms 23 Dec 2021 699th KatieLG 🇬🇧 668 61 40ms 9 Oct 2022 699th Haksell 🇦🇶 668 61 42ms 22 Feb 2023 699th 3dm4n 🇫🇮 668 61 43ms 2 Mar 2024 699th Yewzir 🇧🇪 668 61 40ms 9 Mar 2024 699th olleicua 🇺🇸 668 61 40ms 13 Mar 2024 699th wowu 668 61 41ms 19 Sep 2024 699th edsrzf 🇳🇿 668 61 57ms 15 Oct 2024 699th tatzyr 🇯🇵 668 61 39ms 26 Dec 2024 699th blaztoma 🇱🇹 668 61 54ms 12 Oct 2025 712th MeWhenI 🇻🇦 668 200 3,065ms 3 Sep 2023 713th MeWhenI 🇻🇦 667 76 278ms 28 Jan 2023 714th voytxt 🇨🇿 665 46 2,164ms 19 May 2022 715th janbehrens 🇩🇪 665 181 412ms 15 May 2023 715th oceko 665 181 427ms 13 Feb 2024 717th Pimentero 🇷🇺 662 88 10ms 2 Apr 2021 717th jansekulowicz 662 88 10ms 8 May 2022 719th CaedenHarper 🇨🇦 662 183 751ms 30 Oct 2025 719th MeWhenI 🇻🇦 662 183 435ms 7 Nov 2025 First Prev 641–720 of 4,024 Next Last