The Calendar hole will go live in approximately 10 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 tatzyr 🇯🇵 769 191 15ms 6 Apr 2025 482nd Shanethegamer 🇺🇸 768 59 320ms 6 Jan 2025 483rd ovs-code 🇩🇪 767 66 417ms 3 Jan 2025 483rd AlephSquirrel 767 66 383ms 5 Jan 2025 483rd duckyluuk 🇳🇱 767 66 458ms 9 Jul 2025 483rd TheZwierzLF 🇵🇱 767 66 438ms 26 days ago 487th annaproxy 767 116 24ms 29 Aug 2025 488th Shanethegamer 🇺🇸 766 94 107ms 6 Jan 2025 489th kurkale6ka 765 74 11ms 5 days ago 490th Maznek 765 108 9ms 9 Jan 2025 491st error256 765 133 150ms 3 May 2025 492nd Mukundan314 764 86 2ms 28 Apr 2025 493rd namelessiw 764 110 445ms 3 Oct 2025 493rd MeWhenI 🇻🇦 764 110 582ms 7 Nov 2025 495th error256 763 66 1,016ms 7 Jan 2025 496th AdrienHache 🇫🇷 763 93 403ms 6 Jan 2025 497th stefangimmillaro 759 45 18ms 6 Jan 2025 498th sean-niemann 🇺🇸 759 85 130ms 21 Oct 2025 499th HumanoidCPU 758 109 9ms 7 Jan 2025 499th Andrey-Plotnikov 758 109 9ms 16 Jan 2025 499th acollett89 758 109 9ms 4 Aug 2025 499th snoozingnewt 🇨🇦 758 109 9ms 4 Nov 2025 499th olleicua 🇺🇸 758 109 9ms 9 Nov 2025 504th edsrzf 🇳🇿 756 28 77ms 2 Nov 2025 505th alemelis 756 60 357ms 15 Jul 2025 506th FEZfan 🇦🇺 755 67 442ms 9 Jul 2025 506th m-tkach 🇺🇦 755 67 395ms 23 Jul 2025 508th andrewl64 755 75 10ms 25 Sep 2025 509th MostParsingVex 754 111 494ms 7 Jan 2025 510th UnderKoen 🇳🇱 753 144 12ms 21 May 2025 511th snoozingnewt 🇨🇦 752 40 2ms 2 Nov 2025 512th GolfingSuccess 🇬🇷 750 272 1,514ms 11 Feb 2025 513th duckyluuk 🇳🇱 749 108 38ms 4 Jan 2025 514th ovs-code 🇩🇪 748 86 73ms 5 Jan 2025 514th edsrzf 🇳🇿 748 86 70ms 12 Jul 2025 516th pcrav0 745 76 16ms 29 Jan 2025 516th ZakkkkAttackkkk 🇵🇭 745 76 17ms 5 Feb 2025 516th evan18c 745 76 10ms 17 Apr 2025 519th Shanethegamer 🇺🇸 744 68 335ms 2 Jan 2025 519th SirBogman 🇺🇸 744 68 417ms 15 Jan 2025 521st ShiraJoseph 🇺🇸 744 111 9ms 5 Jan 2025 522nd Vexxter9 🇳🇱 744 113 2ms 14 Jan 2025 523rd error256 743 113 530ms 24 Sep 2025 524th stefangimmillaro 741 105 102ms 3 Jan 2025 525th qwertyuiop3 🇷🇺 741 113 512ms 15 May 2025 526th anter69 🇭🇺 740 68 1,003ms 13 Mar 2025 527th kkoenig 740 147 269ms 7 Sep 2025 528th rucin93 🇵🇱 738 89 2ms 2 Jan 2025 528th Alex-x90 🇺🇸 738 89 4ms 4 Jan 2025 530th zakariamouhid 738 112 9ms 8 Jan 2025 530th gnlow 🇰🇷 738 112 9ms 11 Feb 2025 532nd Just4FunCoder 735 77 10ms 24 Sep 2025 533rd snoozingnewt 🇨🇦 734 124 105ms 20 Nov 2025 534th MeWhenI 🇻🇦 733 69 429ms 3 Jan 2025 534th roguh 🇬🇹 733 69 362ms 18 Jul 2025 536th rucin93 🇵🇱 731 88 108ms 18 Feb 2025 537th Salutations45 731 97 10ms 6 Jan 2025 538th CaedenHarper 🇨🇦 731 113 9ms 31 Aug 2025 539th emgordon154 730 29 131ms 11 Sep 2025 540th SirBogman 🇺🇸 730 49 33ms 9 Jan 2025 541st SirBogman 🇺🇸 728 115 60ms 16 Jan 2025 542nd edsrzf 🇳🇿 727 99 96ms 13 Jun 2025 543rd ehulinsky 🇺🇸 726 78 10ms 29 Mar 2025 544th sean-niemann 🇺🇸 726 98 442ms 24 Jan 2025 545th Yax42 🇫🇷 725 114 11ms 13 Nov 2025 546th Shanethegamer 🇺🇸 723 98 3ms 6 Jan 2025 547th qwertyuiop3 🇷🇺 722 91 1ms 15 May 2025 548th yhm138 717 79 10ms 16 Feb 2025 549th CLOStrophobic 🇮🇹 717 144 136ms 28 May 2025 549th Andriamanitra 🇫🇮 717 144 149ms 7 Jun 2025 551st j2e2 🇪🇸 716 103 4ms 6 Feb 2025 552nd MostParsingVex 714 92 4ms 7 Jan 2025 552nd Lv0Sys 🇵🇱 714 92 4ms 10 days ago 554th frankgraziano 714 128 6ms 23 Aug 2025 555th smclaughlin-cf 712 116 9ms 21 Feb 2025 556th luuumine 🇫🇷 711 143 141ms 13 days ago 557th MeWhenI 🇻🇦 711 153 262ms 7 Jan 2025 558th albanian-laundromat 710 141 4ms 5 Jul 2025 559th MarcMush 🇫🇷 708 64 442ms 29 Jan 2025 560th FlorianCassayre 🇫🇷 708 80 11ms 14 Jan 2025 First Prev 481–560 of 965 Next Last