The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Roman to Arabic 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 720th Andrey-Plotnikov 610 124 13ms 9 Aug 2025 722nd vezzick 609 118 20ms 5 Mar 2021 722nd CommandLeo 🇮🇹 609 118 218ms 22 Nov 2025 724th olivermrose 🇺🇸 608 79 88ms 24 Oct 2021 725th Shanethegamer 🇺🇸 608 130 29ms 4 Oct 2024 726th retrohun 607 111 15ms 21 Sep 2024 727th dsntzn 🇸🇰 605 125 14ms 1 Mar 2021 727th smclaughlin-cf 605 125 14ms 8 Apr 2025 729th TomvdPeet 605 129 29ms 15 days ago 730th albanian-laundromat 604 106 1,219ms 26 Oct 2025 731st bzijlema 🇳🇱 604 119 19ms 3 Jul 2024 732nd cure-honey 🇯🇵 603 200 43ms 26 Apr 2020 733rd Phil-RGOMEGA 601 149 10ms 30 Aug 2023 734th KatieLG 🇬🇧 600 67 51ms 27 Nov 2023 735th ollyspooner 600 126 13ms 18 Oct 2023 736th targrik 600 130 16ms 27 Oct 2025 737th giacomogallina 599 120 20ms 21 May 2020 738th MeWhenI 🇻🇦 598 105 29ms 12 Nov 2022 739th albanian-laundromat 598 178 40ms 22 Aug 2025 740th snoozingnewt 🇨🇦 597 164 118ms 20 Nov 2025 741st CaedenHarper 🇨🇦 596 131 410ms 17 Aug 2025 742nd Shanethegamer 🇺🇸 595 74 6ms 6 Jan 2022 743rd eranws 595 127 14ms 9 Sep 2022 744th ovs-code 🇩🇪 595 128 19ms 4 Feb 2023 745th timvermeulen 595 190 161ms 4 Jan 2020 746th Lv0Sys 🇵🇱 594 121 21ms 29 hours ago 747th DialFrost 🇸🇬 594 133 31ms 11 Dec 2024 748th sisyphus-ppcg 🇦🇺 591 114 221ms 24 Jun 2022 749th elisherer 🇮🇱 591 128 21ms 24 Apr 2019 749th avartanii 591 128 22ms 17 Jan 2021 749th MathisBullinger 591 128 22ms 15 Nov 2021 752nd dokutan 591 132 330ms 7 Apr 2025 753rd filharmonista 590 138 3ms 13 Mar 2020 753rd TeodorDyakov 🇧🇬 590 138 3ms 3 Jul 2025 755th OllieBoyne 🇬🇧 589 122 22ms 3 Jun 2021 755th Emutis 🇱🇹 589 122 20ms 17 Sep 2025 757th SirBogman 🇺🇸 587 75 19ms 3 Jan 2022 758th timvermeulen 587 167 94ms 19 Jan 2020 759th lynn 587 182 19ms 18 Nov 2021 760th ian-odonnell 586 129 14ms 9 Mar 2018 760th JohnSBarden 586 129 13ms 9 Nov 2021 762nd CaedenHarper 🇨🇦 586 135 123ms 18 Aug 2025 763rd mtirado1 585 153 6ms 18 Apr 2023 764th rowechenzhong 584 123 18ms 25 Mar 2020 764th MichalMarsalek 🇨🇿 584 123 20ms 9 Oct 2022 764th qpwoeirut 584 123 27ms 20 Nov 2025 767th KatieLG 🇬🇧 583 168 694ms 15 Jan 2023 768th ian-h-chamberlain 🇺🇸 583 194 159ms 6 Jan 2020 769th SirBogman 🇺🇸 583 403 81ms 23 Nov 2022 770th omurakazuaki 🇯🇵 582 130 13ms 16 Feb 2021 771st janbehrens 🇩🇪 582 140 4ms 18 May 2023 772nd emgordon154 580 336 661ms 6 Nov 2025 773rd not-a-pokemon 578 141 4ms 9 Sep 2025 774th adriweb 🇫🇷 578 155 26ms 29 Aug 2023 775th p01 577 131 14ms 7 Feb 2018 775th Florian-Mt 577 131 16ms 23 Oct 2023 777th JRaspass 🇬🇧 577 132 9ms 1 Oct 2022 778th PaulTaykalo 576 170 108ms 24 Sep 2020 779th annaproxy 575 125 20ms 9 May 2022 779th commandblockguy 🇺🇸 575 125 20ms 21 May 2023 779th davecame 575 125 22ms 14 Sep 2023 782nd CaedenHarper 🇨🇦 574 136 8ms 22 Aug 2025 783rd DanielRHolland 573 194 359ms 12 Nov 2020 784th MeWhenI 🇻🇦 572 77 5ms 16 Apr 2023 784th janbehrens 🇩🇪 572 77 6ms 18 May 2023 786th CaedenHarper 🇨🇦 572 124 3,442ms 18 Aug 2025 787th Indivicivet 571 126 20ms 26 Oct 2021 787th vishwathg 571 126 21ms 2 Feb 2023 789th DaCuteRaccoon 569 133 14ms 8 Dec 2022 790th Yewzir 🇧🇪 569 139 109ms 9 Jun 2024 791st MeWhenI 🇻🇦 569 168 1,370ms 16 Jun 2023 792nd commandblockguy 🇺🇸 567 114 490ms 1 Sep 2025 793rd Sciman101 567 158 6ms 16 May 2023 794th marcin7Cd 566 127 18ms 28 Sep 2019 795th CaedenHarper 🇨🇦 566 144 4ms 16 Nov 2025 796th CaedenHarper 🇨🇦 566 173 650ms 22 Aug 2025 797th annaproxy 564 197 327ms 23 Feb 2023 798th daedals 562 128 20ms 31 May 2019 798th mathb0y512 562 128 22ms 11 Jan 2024 798th mathisfun271 562 128 41ms 13 Feb 2024 First Prev 721–800 of 1,453 Next Last
