The Calendar hole will go live in approximately 8 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 399th StefanHabel 🇨🇦 836 68 18ms 14 Mar 2023 399th jared-hughes 836 68 11ms 14 Sep 2023 399th bizy-coder 836 68 22ms 19 Jan 2024 399th croc54 836 68 16ms 27 Nov 2024 405th SirBogman 🇺🇸 836 144 67ms 27 May 2023 406th o0lit3 🇺🇸 833 30 34ms 6 Jan 2022 407th GrayJoKing 🇦🇺 833 144 71ms 2 Feb 2024 408th nwellnhof 🇩🇪 832 49 77ms 1 May 2020 408th sisyphus-ppcg 🇦🇺 832 49 142ms 1 Apr 2021 408th ovs-code 🇩🇪 832 49 114ms 22 Oct 2023 408th janlelis 832 49 4,982ms 4 Dec 2023 412th ETHproductions 🇺🇸 832 70 10ms 16 Aug 2019 412th jbt 832 70 11ms 26 Dec 2023 412th KingSkyrock 🇺🇸 832 70 11ms 14 Oct 2024 412th trinityy-7 832 70 37ms 29 Jul 2025 416th CaedenHarper 🇨🇦 832 121 378ms 21 Oct 2025 417th rhdqor213 832 123 20ms 27 Jun 2024 417th ovs-code 🇩🇪 832 123 14ms 13 days ago 419th neel11235813 831 65 401ms 19 Jan 2024 419th albanian-laundromat 831 65 363ms 4 Aug 2025 421st ovs-code 🇩🇪 829 64 133ms 3 Aug 2024 422nd DialFrost 🇸🇬 828 54 798ms 31 Aug 2025 423rd Fvirgilio 825 79 134ms 31 Aug 2025 424th annaproxy 825 122 359ms 20 Aug 2022 425th davitf 824 69 111ms 9 Jul 2020 425th Attero 🇸🇪 824 69 20ms 25 Sep 2020 425th sisyphus-ppcg 🇦🇺 824 69 109ms 20 Mar 2021 425th inventshah 824 69 20ms 16 Apr 2021 425th CedricGebistorf 824 69 111ms 6 Mar 2022 425th RDShah 824 69 19ms 11 Jun 2022 425th fredrik-bakke 🇳🇴 824 69 14ms 2 Oct 2022 425th ryyyn 🇺🇸 824 69 1,139ms 28 Oct 2025 433rd msbranicky 823 36 176ms 12 Jan 2024 433rd codereport 🇨🇦 823 36 222ms 16 Apr 2025 435th nwellnhof 🇩🇪 823 46 1,411ms 10 Feb 2020 435th GrayJoKing 🇦🇺 823 46 2,370ms 6 Jun 2021 437th sean-niemann 🇺🇸 823 145 511ms 25 Sep 2025 438th AlephSquirrel 821 71 11ms 10 Feb 2023 439th lynn 820 62 628ms 25 Oct 2023 440th ovs-code 🇩🇪 819 66 458ms 15 Jan 2024 440th AlephSquirrel 819 66 381ms 21 Jan 2024 442nd GrayJoKing 🇦🇺 819 125 30ms 19 Jun 2024 443rd saito-ta 🇯🇵 818 118 4,941ms 8 Nov 2023 444th billings7 🇬🇧 818 123 345ms 21 Nov 2021 444th rifatx 818 123 421ms 14 Jul 2024 446th nwellnhof 🇩🇪 817 62 285ms 1 Nov 2021 446th SirBogman 🇺🇸 817 62 344ms 11 Aug 2023 448th MeWhenI 🇻🇦 816 50 86ms 13 Dec 2023 449th fisxoj 815 54 19ms 28 Apr 2018 450th cbrt-x 815 80 148ms 28 Jun 2024 451st Shanethegamer 🇺🇸 813 115 122ms 14 Oct 2022 452nd saito-ta 🇯🇵 812 33 444ms 4 Aug 2023 452nd ovs-code 🇩🇪 812 33 205ms 21 Jul 2024 454th Constructor7 812 70 22ms 19 Mar 2018 455th MeWhenI 🇻🇦 810 84 1,276ms 8 Jun 2023 456th ovs-code 🇩🇪 809 152 486ms 29 Mar 2025 457th m-tkach 🇺🇦 809 202 129ms 17 Dec 2023 458th sean-niemann 🇺🇸 808 168 507ms 17 Jun 2025 459th GrayJoKing 🇦🇺 806 67 421ms 16 Jan 2024 459th MeWhenI 🇻🇦 806 67 421ms 17 Jan 2024 459th m-tkach 🇺🇦 806 67 428ms 20 Jan 2024 459th Steffan153 🇫🇮 806 67 386ms 20 Jan 2024 459th CaedenHarper 🇨🇦 806 67 412ms 11 Aug 2025 459th Babafaba 806 67 432ms 23 Nov 2025 465th annaproxy 805 81 119ms 8 Aug 2022 466th MeWhenI 🇻🇦 805 84 48ms 14 Feb 2025 467th emplv 🇱🇻 804 66 133ms 29 Oct 2024 467th rucin93 🇵🇱 804 66 154ms 14 Mar 2025 469th Steffan153 🇫🇮 804 85 71ms 18 Feb 2024 469th kg583 🇺🇸 804 85 108ms 23 Nov 2025 471st GalladeGuy 🇺🇸 804 180 42ms 25 May 2020 472nd m-tkach 🇺🇦 804 256 2ms 14 Jun 2022 472nd UnderKoen 🇳🇱 804 256 2ms 22 Feb 2024 474th Indivicivet 801 37 224ms 30 Mar 2021 474th commandblockguy 🇺🇸 801 37 201ms 6 Nov 2023 476th MeWhenI 🇻🇦 801 171 228ms 4 Mar 2025 477th CatsAreFluffy 800 71 27ms 5 Jan 2024 477th mathisfun271 800 71 14ms 15 Feb 2024 479th Herbert00709 🇵🇱 799 128 18ms 25 Jan 2025 480th MeepMoop 799 181 153ms 10 Apr 2025 First Prev 401–480 of 3,977 Next Last