The Calendar hole will go live in approximately 5 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 481st ejini6969 769 43 48ms 14 Jun 2025 482nd tatzyr 🇯🇵 769 191 15ms 6 Apr 2025 483rd Shanethegamer 🇺🇸 768 59 269ms 6 Jan 2025 484th ovs-code 🇩🇪 767 66 417ms 3 Jan 2025 484th AlephSquirrel 767 66 383ms 5 Jan 2025 484th duckyluuk 🇳🇱 767 66 458ms 9 Jul 2025 484th TheZwierzLF 🇵🇱 767 66 438ms 24 Nov 2025 488th annaproxy 767 116 24ms 29 Aug 2025 489th Shanethegamer 🇺🇸 766 94 107ms 6 Jan 2025 490th kurkale6ka 765 74 11ms 10 days ago 491st Maznek 765 108 9ms 9 Jan 2025 492nd error256 765 133 150ms 3 May 2025 493rd Mukundan314 764 86 2ms 28 Apr 2025 494th AdrienHache 🇫🇷 764 93 403ms 6 Jan 2025 495th namelessiw 764 110 445ms 3 Oct 2025 495th MeWhenI 🇻🇦 764 110 582ms 7 Nov 2025 497th error256 763 66 1,016ms 7 Jan 2025 498th stefangimmillaro 759 45 18ms 6 Jan 2025 499th sean-niemann 🇺🇸 759 85 130ms 21 Oct 2025 500th HumanoidCPU 758 109 9ms 7 Jan 2025 500th Andrey-Plotnikov 758 109 9ms 16 Jan 2025 500th acollett89 758 109 9ms 4 Aug 2025 500th snoozingnewt 🇨🇦 758 109 9ms 4 Nov 2025 500th olleicua 🇺🇸 758 109 9ms 9 Nov 2025 505th edsrzf 🇳🇿 756 28 59ms 2 Nov 2025 506th alemelis 756 60 332ms 15 Jul 2025 507th FEZfan 🇦🇺 755 67 442ms 9 Jul 2025 507th m-tkach 🇺🇦 755 67 395ms 23 Jul 2025 509th andrewl64 755 75 10ms 25 Sep 2025 510th MostParsingVex 754 111 418ms 7 Jan 2025 511th UnderKoen 🇳🇱 753 144 12ms 21 May 2025 512th snoozingnewt 🇨🇦 752 40 2ms 2 Nov 2025 513th GolfingSuccess 🇬🇷 750 272 1,514ms 11 Feb 2025 514th duckyluuk 🇳🇱 749 108 38ms 4 Jan 2025 515th ovs-code 🇩🇪 748 86 71ms 5 Jan 2025 515th edsrzf 🇳🇿 748 86 70ms 12 Jul 2025 517th pcrav0 745 76 16ms 29 Jan 2025 517th ZakkkkAttackkkk 🇵🇭 745 76 17ms 5 Feb 2025 517th evan18c 745 76 10ms 17 Apr 2025 520th Shanethegamer 🇺🇸 744 68 335ms 2 Jan 2025 520th SirBogman 🇺🇸 744 68 417ms 15 Jan 2025 522nd ShiraJoseph 🇺🇸 744 111 9ms 5 Jan 2025 523rd Vexxter9 🇳🇱 744 113 3ms 14 Jan 2025 524th error256 743 113 530ms 24 Sep 2025 525th stefangimmillaro 741 105 102ms 3 Jan 2025 526th qwertyuiop3 🇷🇺 741 113 405ms 15 May 2025 527th anter69 🇭🇺 740 68 1,003ms 13 Mar 2025 528th kkoenig 740 147 269ms 7 Sep 2025 529th rucin93 🇵🇱 738 89 2ms 2 Jan 2025 529th Alex-x90 🇺🇸 738 89 4ms 4 Jan 2025 531st zakariamouhid 738 112 9ms 8 Jan 2025 531st gnlow 🇰🇷 738 112 9ms 11 Feb 2025 533rd Just4FunCoder 735 77 10ms 24 Sep 2025 534th snoozingnewt 🇨🇦 734 124 105ms 20 Nov 2025 535th MeWhenI 🇻🇦 733 69 429ms 3 Jan 2025 535th roguh 🇬🇹 733 69 362ms 18 Jul 2025 537th rucin93 🇵🇱 731 88 108ms 18 Feb 2025 538th Salutations45 731 97 10ms 6 Jan 2025 539th CaedenHarper 🇨🇦 731 113 9ms 31 Aug 2025 540th emgordon154 730 29 127ms 11 Sep 2025 541st SirBogman 🇺🇸 730 49 33ms 9 Jan 2025 542nd SirBogman 🇺🇸 728 115 60ms 16 Jan 2025 543rd edsrzf 🇳🇿 727 99 96ms 13 Jun 2025 544th ehulinsky 🇺🇸 726 78 10ms 29 Mar 2025 545th sean-niemann 🇺🇸 726 98 442ms 24 Jan 2025 546th Yax42 🇫🇷 725 114 11ms 13 Nov 2025 547th Shanethegamer 🇺🇸 723 98 3ms 6 Jan 2025 548th qwertyuiop3 🇷🇺 722 91 1ms 15 May 2025 549th yhm138 717 79 10ms 16 Feb 2025 550th CLOStrophobic 🇮🇹 717 144 136ms 28 May 2025 550th Andriamanitra 🇫🇮 717 144 149ms 7 Jun 2025 552nd j2e2 🇪🇸 716 103 4ms 6 Feb 2025 553rd MostParsingVex 714 92 4ms 7 Jan 2025 553rd Lv0Sys 🇵🇱 714 92 4ms 15 days ago 555th frankgraziano 714 128 6ms 23 Aug 2025 556th smclaughlin-cf 712 116 9ms 21 Feb 2025 557th luuumine 🇫🇷 711 143 141ms 18 days ago 558th MeWhenI 🇻🇦 711 153 262ms 7 Jan 2025 559th albanian-laundromat 710 141 4ms 5 Jul 2025 560th MarcMush 🇫🇷 708 64 305ms 29 Jan 2025 First Prev 481–560 of 967 Next Last