The Calendar hole will go live in approximately 31 hours. 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 bizy-coder 606 142 39ms 26 Nov 2025 722nd MeWhenI 🇻🇦 605 163 69ms 3 Jul 2023 723rd FireyFly 604 144 17ms 14 Apr 2018 723rd skps2010 604 144 13ms 1 Jan 2019 723rd didion0 🇺🇸 604 144 13ms 22 Apr 2021 723rd NewDefectus 🇮🇱 604 144 15ms 8 Oct 2021 723rd raphaelimahorn 604 144 13ms 26 Oct 2022 728th ccbrown 604 255 324ms 21 Apr 2020 729th Shanethegamer 🇺🇸 602 101 80ms 4 Apr 2023 730th bricknellj 602 143 18ms 3 Nov 2022 730th vishwathg 602 143 379ms 8 Sep 2023 730th ahmetdemirag 🇨🇾 602 143 21ms 9 Mar 2025 733rd lynn 602 185 27ms 23 Nov 2021 734th anoopsg 🇮🇳 600 207 109ms 18 Nov 2023 735th Irratix 🇳🇱 599 225 417ms 9 Jan 2022 736th TFeld00 🇩🇰 598 144 52ms 21 Apr 2022 736th jared-hughes 598 144 20ms 14 Mar 2023 736th bzijlema 🇳🇱 598 144 45ms 25 Oct 2025 739th cmdrsabre 597 253 179ms 6 Feb 2020 740th legrottagliegionata 596 146 14ms 7 Dec 2021 741st tpaxman 🇨🇦 594 145 19ms 17 Dec 2020 741st rowechenzhong 594 145 25ms 26 Nov 2021 743rd stefangimmillaro 594 166 78ms 19 Oct 2022 744th MeWhenI 🇻🇦 593 227 427ms 14 Nov 2022 745th nsprd 593 277 174ms 16 Jan 2024 746th janbehrens 🇩🇪 591 228 1,053ms 20 Nov 2022 747th blaztoma 🇱🇹 591 233 171ms 28 Nov 2025 748th dyc3 590 146 30ms 27 Jul 2020 748th Augigogigi 590 146 23ms 28 Jul 2020 748th BrunoVisnadi 🇧🇷 590 146 19ms 26 Sep 2025 748th Lv0Sys 🇵🇱 590 146 21ms 8 days ago 752nd ovs-code 🇩🇪 590 155 34ms 3 Feb 2023 753rd dokutan 589 194 3,904ms 2 Nov 2024 754th daniel-pedersen 🇸🇪 588 148 17ms 6 Mar 2022 754th stop-amertime 588 148 15ms 5 Dec 2022 754th dokutan 588 148 14ms 7 Jun 2025 757th aDwarfNamedUrist 588 248 378ms 4 Oct 2023 758th Shanethegamer 🇺🇸 587 154 1,239ms 28 Jan 2024 759th ZakkkkAttackkkk 🇵🇭 587 174 7ms 12 Nov 2023 760th lynn 587 181 158ms 18 May 2021 761st davecame 586 147 23ms 27 Mar 2024 762nd annaproxy 586 203 421ms 13 Mar 2022 763rd FlyingPenguin223 585 198 7ms 30 Nov 2024 764th KatieLG 🇬🇧 585 258 711ms 15 Jan 2023 765th daisy-lau 584 149 12ms 13 Jul 2020 765th satowine1 584 149 14ms 7 Dec 2021 765th Ashikpaul 🇮🇳 584 149 13ms 29 Jul 2022 765th Maznek 584 149 23ms 21 Jun 2023 765th Yewzir 🇧🇪 584 149 13ms 16 Feb 2024 770th Lv0Sys 🇵🇱 583 195 436ms 27 Nov 2025 771st sultan 583 204 431ms 30 Apr 2024 772nd Frowny 582 67 9ms 10 Jan 2022 773rd luftj 582 148 32ms 23 Apr 2020 773rd Stockoh 🇫🇷 582 148 35ms 5 May 2023 773rd janbehrens 🇩🇪 582 148 22ms 17 Jun 2023 773rd edsrzf 🇳🇿 582 148 21ms 22 Jul 2025 777th MeWhenI 🇻🇦 581 129 72ms 13 Feb 2025 778th boxjelly 581 249 647ms 25 Feb 2021 779th janbehrens 🇩🇪 580 133 982ms 1 Nov 2021 780th unfinishedprogram 580 150 14ms 19 Jan 2024 781st blaztoma 🇱🇹 580 197 2,743ms 1 Nov 2025 782nd mtirado1 580 200 6ms 25 Dec 2022 783rd revlayle 🇺🇸 580 205 397ms 21 Nov 2021 784th albanian-laundromat 580 214 122ms 5 Jul 2025 785th Shanethegamer 🇺🇸 580 232 404ms 28 Jan 2024 786th stefangimmillaro 579 105 49ms 23 Feb 2023 787th neel11235813 579 135 521ms 12 Mar 2024 788th nsprd 579 164 204ms 16 Jan 2024 789th eMGeeneer 579 250 478ms 26 Jun 2024 790th CaedenHarper 🇨🇦 579 266 289ms 17 Nov 2025 791st KevinMarquette 🇺🇸 578 135 1,152ms 17 Apr 2022 792nd betaveros 578 149 19ms 2 Jan 2023 792nd sultan 578 149 1,835ms 9 Mar 2024 794th roavin 578 233 73ms 7 Jan 2022 795th Tezaruz 576 151 18ms 20 Dec 2023 795th itserasmus 576 151 15ms 25 Jan 2024 795th olleicua 🇺🇸 576 151 15ms 16 Feb 2024 798th YouLookLikeYouNeedAMonkey 575 234 421ms 14 Oct 2022 799th daedals 574 150 19ms 12 Jun 2019 799th abailey2020 🇺🇸 574 150 21ms 13 Dec 2020 First Prev 721–800 of 1,864 Next Last
