The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
ROT13 in Python 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 161st FlorianCassayre 🇫🇷 738 80 11ms 14 Jan 2025 162nd frankgraziano 720 82 10ms 9 Jul 2025 163rd roguh 🇬🇹 702 84 25ms 9 Jul 2025 164th SB-945 694 85 12ms 5 Jan 2025 164th randolchance 694 85 23ms 20 May 2025 166th yzhs 🇩🇪 686 86 11ms 17 Jan 2025 167th JunkIce 670 88 11ms 17 Jan 2025 168th CheeseCake628 🇳🇴 608 97 13ms 20 May 2025 169th OllieBoyne 🇬🇧 573 103 10ms 9 Jan 2025 170th Mabeloid 🇳🇴 562 105 10ms 7 Jan 2025 171st jared-hughes 551 107 15ms 7 Jan 2025 172nd denballakh 541 109 14ms 13 Jan 2025 173rd wobblybits 536 110 15ms 19 Aug 2025 174th robin-scragg 532 111 12ms 7 Jul 2025 175th 051 🇸🇬 527 112 10ms 8 Oct 2025 176th te-chnical 518 114 17ms 7 May 2025 177th AstroOrbis 513 115 10ms 12 Jul 2025 177th Matter1024 🇮🇳 513 115 11ms 25 Aug 2025 179th Jaydosu 504 117 11ms 16 Apr 2025 179th calebaitken 504 117 11ms 16 Apr 2025 179th adoxography 504 117 10ms 31 Aug 2025 182nd yokasuretsu 492 120 11ms 12 Jul 2025 182nd Bmrl7 492 120 17ms 23 Nov 2025 184th pquline 484 122 17ms 15 Mar 2025 185th vhoulbreque 🇫🇷 476 124 16ms 16 Feb 2025 186th Mikey-Beep 🇬🇧 472 125 12ms 8 Jul 2025 187th osNiko 🇧🇷 468 126 11ms 16 Aug 2025 188th Bobini1 🇵🇱 465 127 16ms 15 Jan 2025 188th matsagad 465 127 34ms 16 Jan 2025 190th driri85 457 129 11ms 7 Jan 2025 190th tjwrenn 457 129 11ms 27 Jan 2025 192nd jtaxen 450 131 45ms 27 Jan 2025 193rd jameswmccarty 447 132 11ms 7 Mar 2025 194th Ailko 🇧🇪 437 135 29ms 17 Jan 2025 194th itljan30 437 135 11ms 26 Jan 2025 194th smilesformiles3 437 135 20ms 18 Jun 2025 197th snooze92 🇫🇷 424 139 11ms 5 Mar 2025 198th brimstonetrader 421 140 18ms 6 Jan 2025 199th PyryL 🇫🇮 418 141 11ms 22 Jan 2025 200th madex 🇩🇪 415 142 18ms 4 Jan 2025 201st galloj 🇨🇿 413 143 15ms 23 Jan 2025 202nd TaserTheFox 🇺🇸 407 145 12ms 22 Feb 2025 203rd martinorav 399 148 13ms 20 Jan 2025 203rd qwjhvbxi 399 148 19ms 21 Jan 2025 205th ComputerKWasTaken 🇺🇸 393 150 10ms 20 Jan 2025 206th atazzam 🇺🇸 388 152 11ms 16 Jan 2025 207th Andrey2001 386 153 12ms 24 Nov 2025 208th Zhenyu-Bo 373 158 10ms 1 Aug 2025 209th mbittner20 366 161 12ms 7 Feb 2025 210th WillowWispy 351 168 11ms 22 Mar 2025 211th chartung17 349 169 19ms 7 Apr 2025 212th Benned-H 328 180 12ms 12 Jan 2025 213th Scenes7 311 190 18ms 9 Jan 2025 213th 40fied4t 311 190 38ms 15 May 2025 215th firewoods1978 306 193 12ms 13 Jan 2025 216th Bananapants22 286 206 12ms 10 Jan 2025 217th codeman4033 261 226 12ms 21 Jan 2025 218th AidanWalter 171 345 10ms 3 Jan 2025 First Prev 161–218 of 218