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 801st caasinehc 588 99 10ms 6 Nov 2019 801st Bonjour27891 🇻🇳 588 99 10ms 12 Mar 2022 803rd duckyluuk 🇳🇱 588 117 3,649ms 29 Oct 2024 804th snoozingnewt 🇨🇦 587 92 664ms 28 Sep 2025 805th flawr 587 111 733ms 2 Jan 2019 806th cingulataluke 586 97 15ms 26 Aug 2023 807th rowan-OzRunways 586 234 674ms 14 Oct 2023 808th kmathis22 585 204 522ms 17 days ago 809th AlephSquirrel 583 46 53ms 10 Feb 2023 810th Secozzi 583 100 10ms 21 Mar 2021 811th Yewzir 🇧🇪 581 93 417ms 15 Jan 2024 811th KatieLG 🇬🇧 581 93 529ms 28 Oct 2024 813th emgordon154 580 244 126ms 26 Feb 2025 814th MeWhenI 🇻🇦 579 168 471ms 13 Oct 2023 815th lynn 578 177 3ms 22 May 2021 816th elgan65536 578 245 122ms 11 Nov 2023 817th unfinishedprogram 577 101 10ms 10 Aug 2022 818th janbehrens 🇩🇪 576 88 264ms 3 Dec 2023 819th bac0id 574 99 15ms 26 Sep 2023 820th MeWhenI 🇻🇦 574 149 53ms 12 Nov 2022 821st f-tucker 572 179 5ms 4 Jul 2025 822nd yokasuretsu 571 71 46ms 15 Apr 2018 822nd Irratix 🇳🇱 571 71 59ms 27 Jun 2022 824th tomh1012 571 102 10ms 1 Oct 2020 824th HumanoidCPU 571 102 15ms 21 Feb 2025 824th Yax42 🇫🇷 571 102 9ms 5 Sep 2025 827th Shanethegamer 🇺🇸 571 110 944ms 2 Jun 2022 828th adriweb 🇫🇷 571 201 257ms 21 Aug 2023 829th yuchuehw 570 52 2,004ms 2 Jun 2024 830th MeWhenI 🇻🇦 570 61 12ms 15 Feb 2025 831st Soyo-Wind 569 177 422ms 6 Nov 2025 832nd leon-w 568 100 55ms 4 Jan 2019 832nd LlamaLad7 🇬🇧 568 100 20ms 17 Jan 2021 834th dokutan 568 239 205ms 1 Jul 2025 835th snoozingnewt 🇨🇦 566 79 739ms 21 Nov 2025 836th dan-simon 565 67 277ms 29 Dec 2017 837th Yewzir 🇧🇪 562 259 6ms 19 Dec 2024 838th lowlighter 560 104 11ms 12 Mar 2021 838th con-cs 560 104 11ms 15 Oct 2021 838th MattShaile 560 104 11ms 20 Mar 2022 838th goodwyna21 560 104 11ms 27 Jan 2025 842nd FnControlOption 559 53 164ms 23 Aug 2022 842nd katrina1232 559 53 181ms 7 Dec 2022 844th potato-jackson 557 102 11ms 6 Sep 2021 844th wh3n3v3r 🇨🇿 557 102 20ms 20 Nov 2024 844th piano-miles 557 102 226ms 3 Aug 2025 847th Lv0Sys 🇵🇱 557 261 286ms 27 days ago 848th orthoplex 🇨🇽 556 370 2ms 9 Jun 2024 849th alex-oser 🇲🇰 555 105 10ms 18 Aug 2021 849th ShiraJoseph 🇺🇸 555 105 10ms 7 Jan 2023 851st MeWhenI 🇻🇦 555 144 754ms 21 Dec 2022 852nd Yewzir 🇧🇪 555 217 703ms 3 Jan 2024 853rd MeWhenI 🇻🇦 553 231 148ms 6 Aug 2023 854th BREMAUCY 🇫🇷 551 114 836ms 17 Jun 2025 855th cure-honey 🇯🇵 551 257 137ms 7 Jul 2021 856th nicholasdejong 550 106 10ms 3 Jun 2020 857th Vinterion 550 186 4ms 1 Nov 2023 858th tfkls 549 54 214ms 16 Oct 2020 859th albanian-laundromat 548 206 2ms 25 Jun 2025 860th cmdrsabre 548 250 666ms 31 Jan 2020 861st croc54 547 187 3ms 27 Nov 2024 862nd matsagad 546 104 254ms 12 Dec 2024 863rd DialFrost 🇸🇬 546 126 3,384ms 28 Oct 2024 864th dokutan 546 207 2ms 27 Mar 2024 865th dcgjb 545 93 345ms 14 May 2024 866th Hacksore 🇺🇸 544 107 11ms 18 Aug 2021 866th akshatj27 🇦🇶 544 107 10ms 11 Jan 2022 866th SiddharthShyniben 544 107 10ms 1 Jul 2022 866th CatsAreFluffy 544 107 15ms 19 Dec 2022 866th FortuiteMan 🇫🇷 544 107 11ms 31 Aug 2025 871st m-tkach 🇺🇦 543 208 2ms 26 Oct 2022 872nd Shanethegamer 🇺🇸 541 70 176ms 2 Jun 2022 873rd cros107 🇦🇺 541 105 63ms 11 Aug 2023 874th heanyang1 539 55 238ms 29 May 2025 875th EricBalingit 539 108 10ms 25 May 2021 875th arrudagates 539 108 11ms 23 Jun 2021 877th RealAMC 🇳🇿 539 190 4ms 7 Nov 2023 878th h3ra993huskp 🇯🇵 538 222 481ms 25 days ago 879th MeWhenI 🇻🇦 538 263 155ms 12 Dec 2022 880th tri1212 🇻🇳 536 106 37ms 8 May 2023 First Prev 801–880 of 3,938 Next Last
