The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
Arabic to Roman 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 721st MeWhenI 🇻🇦 605 163 67ms 3 Jul 2023 722nd FireyFly 604 144 17ms 14 Apr 2018 722nd skps2010 604 144 13ms 1 Jan 2019 722nd didion0 🇺🇸 604 144 13ms 22 Apr 2021 722nd NewDefectus 🇮🇱 604 144 15ms 8 Oct 2021 722nd raphaelimahorn 604 144 13ms 26 Oct 2022 727th ccbrown 604 255 324ms 21 Apr 2020 728th Shanethegamer 🇺🇸 602 101 76ms 4 Apr 2023 729th bricknellj 602 143 18ms 3 Nov 2022 729th vishwathg 602 143 379ms 8 Sep 2023 729th ahmetdemirag 🇨🇾 602 143 21ms 9 Mar 2025 732nd lynn 602 185 27ms 23 Nov 2021 733rd anoopsg 🇮🇳 600 207 109ms 18 Nov 2023 734th Irratix 🇳🇱 599 225 587ms 9 Jan 2022 735th TFeld00 🇩🇰 598 144 52ms 21 Apr 2022 735th jared-hughes 598 144 20ms 14 Mar 2023 735th bzijlema 🇳🇱 598 144 45ms 25 Oct 2025 738th cmdrsabre 597 253 179ms 6 Feb 2020 739th legrottagliegionata 596 146 14ms 7 Dec 2021 740th tpaxman 🇨🇦 594 145 19ms 17 Dec 2020 740th rowechenzhong 594 145 25ms 26 Nov 2021 742nd stefangimmillaro 594 166 71ms 19 Oct 2022 743rd MeWhenI 🇻🇦 593 227 440ms 14 Nov 2022 744th nsprd 593 277 174ms 16 Jan 2024 745th janbehrens 🇩🇪 591 228 1,364ms 20 Nov 2022 746th blaztoma 🇱🇹 591 233 171ms 23 days ago 747th dyc3 590 146 30ms 27 Jul 2020 747th Augigogigi 590 146 23ms 28 Jul 2020 747th BrunoVisnadi 🇧🇷 590 146 19ms 26 Sep 2025 747th Lv0Sys 🇵🇱 590 146 27ms 2 hours ago 751st ovs-code 🇩🇪 590 155 35ms 3 Feb 2023 752nd dokutan 589 194 3,904ms 2 Nov 2024 753rd daniel-pedersen 🇸🇪 588 148 17ms 6 Mar 2022 753rd stop-amertime 588 148 15ms 5 Dec 2022 753rd dokutan 588 148 14ms 7 Jun 2025 756th aDwarfNamedUrist 588 248 378ms 4 Oct 2023 757th Shanethegamer 🇺🇸 587 154 1,239ms 28 Jan 2024 758th ZakkkkAttackkkk 🇵🇭 587 174 7ms 12 Nov 2023 759th lynn 587 181 158ms 18 May 2021 760th davecame 586 147 23ms 27 Mar 2024 761st annaproxy 586 203 421ms 13 Mar 2022 762nd FlyingPenguin223 585 198 6ms 30 Nov 2024 763rd KatieLG 🇬🇧 585 258 711ms 15 Jan 2023 764th daisy-lau 584 149 12ms 13 Jul 2020 764th satowine1 584 149 14ms 7 Dec 2021 764th Ashikpaul 🇮🇳 584 149 13ms 29 Jul 2022 764th Maznek 584 149 23ms 21 Jun 2023 764th Yewzir 🇧🇪 584 149 13ms 16 Feb 2024 769th Lv0Sys 🇵🇱 583 195 436ms 24 days ago 770th sultan 583 204 431ms 30 Apr 2024 771st Frowny 582 67 9ms 10 Jan 2022 772nd luftj 582 148 32ms 23 Apr 2020 772nd Stockoh 🇫🇷 582 148 35ms 5 May 2023 772nd janbehrens 🇩🇪 582 148 22ms 17 Jun 2023 772nd edsrzf 🇳🇿 582 148 21ms 22 Jul 2025 776th MeWhenI 🇻🇦 581 129 72ms 13 Feb 2025 777th boxjelly 581 249 647ms 25 Feb 2021 778th janbehrens 🇩🇪 580 133 1,179ms 1 Nov 2021 779th unfinishedprogram 580 150 14ms 19 Jan 2024 780th blaztoma 🇱🇹 580 197 4,972ms 1 Nov 2025 781st mtirado1 580 200 6ms 25 Dec 2022 782nd revlayle 🇺🇸 580 205 397ms 21 Nov 2021 783rd albanian-laundromat 580 214 122ms 5 Jul 2025 784th Shanethegamer 🇺🇸 580 232 437ms 28 Jan 2024 785th stefangimmillaro 579 105 71ms 23 Feb 2023 786th neel11235813 579 135 521ms 12 Mar 2024 787th nsprd 579 164 204ms 16 Jan 2024 788th eMGeeneer 579 250 478ms 26 Jun 2024 789th CaedenHarper 🇨🇦 579 266 289ms 17 Nov 2025 790th KevinMarquette 🇺🇸 578 135 1,152ms 17 Apr 2022 791st betaveros 578 149 19ms 2 Jan 2023 791st sultan 578 149 1,835ms 9 Mar 2024 793rd roavin 578 233 80ms 7 Jan 2022 794th Tezaruz 576 151 18ms 20 Dec 2023 794th itserasmus 576 151 15ms 25 Jan 2024 794th olleicua 🇺🇸 576 151 15ms 16 Feb 2024 797th YouLookLikeYouNeedAMonkey 575 234 451ms 14 Oct 2022 798th daedals 574 150 19ms 12 Jun 2019 798th abailey2020 🇺🇸 574 150 21ms 13 Dec 2020 800th MeWhenI 🇻🇦 574 166 133ms 16 Jun 2023 First Prev 721–800 of 1,861 Next Last
