The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
ROT13 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 emgordon154 578 87 1,046ms 5 Jan 2025 722nd frankgraziano 578 132 2ms 16 May 2025 723rd HaxSam 578 143 9ms 27 Jun 2025 724th Natanaelel 🇸🇪 577 62 32ms 11 Jul 2025 725th gastropner 576 114 2ms 5 Jul 2025 725th jupj 🇫🇮 576 114 2ms 27 Aug 2025 727th JunkIce 575 88 470ms 17 Jan 2025 728th aksyristos 570 145 9ms 11 Jan 2025 729th ikskuh 570 147 62ms 26 Sep 2025 730th blaztoma 🇱🇹 570 186 37ms 21 Sep 2025 731st HumanoidCPU 568 182 160ms 21 Nov 2025 732nd CaedenHarper 🇨🇦 566 116 4ms 21 Nov 2025 733rd blaztoma 🇱🇹 562 117 4ms 21 Sep 2025 734th xyangst 562 147 10ms 14 Feb 2025 735th janAkali 🇷🇺 556 152 376ms 18 Jan 2025 736th tomh1012 555 128 416ms 12 Sep 2025 737th GolfingSuccess 🇬🇷 555 322 56ms 2 Jan 2025 738th jkelly467 554 98 3,086ms 11 days ago 739th msbranicky 553 138 2ms 4 Jan 2025 740th miabea73 553 152 423ms 26 Aug 2025 741st rucin93 🇵🇱 553 184 209ms 5 Jan 2025 742nd bac0id 552 119 2ms 10 Jan 2025 743rd OllieBoyne 🇬🇧 550 103 10ms 9 Jan 2025 744th snoozingnewt 🇨🇦 550 185 181ms 2 Nov 2025 745th snoozingnewt 🇨🇦 546 83 297ms 25 days ago 746th Shanethegamer 🇺🇸 546 160 26ms 5 Jan 2025 747th Yewzir 🇧🇪 543 121 1ms 6 Jan 2025 748th andrewl64 542 179 2,388ms 25 Sep 2025 749th Natanaelel 🇸🇪 541 39 2ms 9 Jan 2025 750th MeWhenI 🇻🇦 541 91 284ms 10 Jul 2025 751st dokutan 541 93 939ms 5 Feb 2025 752nd jbdrucker 540 153 11ms 24 Jan 2025 753rd Mabeloid 🇳🇴 539 105 10ms 7 Jan 2025 754th lukechampine 539 202 263ms 7 Jun 2025 755th shaneliu-zf 🇹🇼 538 101 4,307ms 30 May 2025 756th CarsonChr 🇺🇸 538 132 415ms 5 Jan 2025 757th ravnskjaer 🇩🇰 538 156 342ms 7 days ago 758th HumanoidCPU 538 189 185ms 1 Feb 2025 759th not-a-pokemon 534 123 5ms 18 Apr 2025 760th ikskuh 530 124 1ms 27 Jun 2025 761st jared-hughes 529 107 15ms 7 Jan 2025 762nd MeWhenI 🇻🇦 529 122 130ms 6 Jan 2025 763rd snoozingnewt 🇨🇦 529 159 3ms 2 Nov 2025 764th Shanethegamer 🇺🇸 524 96 973ms 1 Jan 2025 765th msbranicky 523 208 259ms 6 Jan 2025 766th CheeseCake628 🇳🇴 522 97 380ms 20 May 2025 767th cyrilboyer 🇫🇷 522 195 153ms 13 Jan 2025 768th denballakh 520 109 14ms 13 Jan 2025 769th DialFrost 🇸🇬 519 97 982ms 5 Jan 2025 770th Schmitt-Very-Cool 518 162 452ms 3 Oct 2025 771st olleicua 🇺🇸 517 64 45ms 9 Mar 2025 772nd madex 🇩🇪 516 197 192ms 4 Jan 2025 773rd wobblybits 515 110 15ms 19 Aug 2025 774th michelebastione 🇮🇹 515 138 377ms 21 Aug 2025 775th blaztoma 🇱🇹 514 196 27ms 21 Sep 2025 776th Siri-chan 513 161 11ms 8 Jan 2025 777th CaedenHarper 🇨🇦 511 139 376ms 16 Oct 2025 778th robin-scragg 510 111 12ms 7 Jul 2025 779th iilegacyyii 509 129 2ms 16 Jan 2025 780th JDiLenarda 🇫🇷 508 164 1,354ms 17 Jun 2025 781st dokutan 507 127 73ms 12 Feb 2025 781st JOrE20 🇺🇸 507 127 101ms 17 days ago 783rd 051 🇸🇬 506 112 10ms 8 Oct 2025 784th Siri-chan 506 201 169ms 8 Jan 2025 785th frankgraziano 505 210 40ms 16 May 2025 786th Shanethegamer 🇺🇸 503 141 51ms 2 Jan 2025 787th alaaeelsayed 503 167 379ms 15 Jan 2025 788th Mabeloid 🇳🇴 502 131 4ms 21 Oct 2025 789th balloffur 501 167 472ms 14 days ago 790th aditsu 499 109 4,042ms 21 days ago 791st te-chnical 497 114 17ms 7 May 2025 792nd Kacarott 🇦🇺 497 193 7ms 26 Apr 2025 793rd AstroOrbis 492 115 10ms 12 Jul 2025 793rd Matter1024 🇮🇳 492 115 11ms 25 Aug 2025 795th HumanoidCPU 490 171 63ms 17 Jan 2025 796th MyXoToD 🇩🇪 489 169 9ms 20 May 2025 797th DanielSchmerber 488 172 395ms 9 Jan 2025 798th snoozingnewt 🇨🇦 487 177 8ms 2 Nov 2025 799th nils-imhoff 487 253 1,647ms 27 Jun 2025 800th JRaspass 🇬🇧 486 224 264ms 5 Jan 2025 First Prev 721–800 of 966 Next Last