The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Ordinal Numbers 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 401st CheeseCake628 🇳🇴 443 149 18ms 19 Mar 2023 401st SURAJMITTAL 443 149 12ms 19 Dec 2024 401st TJK-S 443 149 12ms 6 Nov 2025 404th Drew-j-Smith 440 150 11ms 6 Jun 2022 404th danielharris0 440 150 12ms 17 Jun 2023 406th markbyrne 437 151 13ms 26 Oct 2020 406th Kasci 437 151 58ms 7 Dec 2021 406th wa1ker38552 437 151 13ms 23 May 2023 406th dylanjones92 437 151 15ms 29 Jan 2024 406th clayboll99 437 151 13ms 14 Jul 2025 411th febiw 434 152 12ms 22 Mar 2020 412th louisbosqui 431 153 18ms 31 Dec 2020 412th Re-Adventures 🇮🇳 431 153 12ms 15 Feb 2022 414th HassanAliKadhem 🇧🇭 426 155 12ms 4 Jan 2022 414th AnnoyedArt1256 426 155 18ms 22 Jan 2022 414th Azearia 426 155 18ms 21 Feb 2024 417th OppositeShark 423 156 12ms 9 Apr 2022 417th zt14427 423 156 13ms 28 Dec 2024 419th GeryonDev 418 158 12ms 13 Oct 2020 420th goombado 415 159 19ms 8 Feb 2020 420th gnash117 415 159 11ms 31 Dec 2020 422nd ToE42 413 160 15ms 9 May 2021 423rd shibacho 🇯🇵 410 161 12ms 29 Nov 2021 424th janga1 407 162 12ms 11 Aug 2021 424th yokasuretsu 407 162 13ms 2 Jan 2025 426th jmmographer 402 164 14ms 11 Nov 2023 426th EnisEfe0 402 164 19ms 18 May 2025 428th vodker1 398 166 13ms 8 Mar 2022 429th 4ndyJ 🇬🇧 393 168 12ms 16 Jan 2023 430th KiwiKoder0123 391 169 13ms 22 Oct 2019 431st OSYCh314 🇦🇺 388 170 19ms 16 Nov 2024 432nd volpi-m 🇫🇷 384 172 19ms 1 Sep 2020 433rd Nibamot 382 173 12ms 21 Jan 2020 433rd ashwinvis 382 173 12ms 19 Apr 2020 435th The3gs 377 175 12ms 13 Oct 2020 435th feherd 377 175 18ms 30 Aug 2021 437th Oscujic 371 178 12ms 11 Nov 2019 438th gamer0kayf1n3 365 181 12ms 5 May 2023 439th jameslindesay 353 187 12ms 26 Feb 2021 440th SOONwasTaken 349 189 12ms 1 Oct 2025 441st DGipe 330 200 20ms 6 May 2024 442nd mikaelivarsson 327 202 18ms 28 Aug 2019 442nd ThatAlo 327 202 12ms 19 May 2023 442nd JakeDaCake36 327 202 13ms 21 Feb 2024 445th NuqieNoila 303 218 12ms 9 Aug 2019 445th jgermain48 303 218 11ms 8 Dec 2019 447th r-i-c-e 299 221 12ms 20 Jul 2023 448th UltimateGuy0987 295 224 13ms 14 Oct 2022 449th felixcroc 286 231 18ms 19 Apr 2022 450th HaiPaul 244 271 12ms 5 Mar 2024 451st joshuamkite 243 272 12ms 25 Aug 2023 452nd tpepython 237 278 12ms 13 Feb 2025 453rd alfonsoalves 237 279 13ms 21 Jul 2024 454th MariuszPienkosz 217 304 12ms 20 May 2020 455th codefeld 199 331 12ms 20 Feb 2023 456th Zhenyu-Bo 160 413 12ms 1 Aug 2025 457th eli-siegel 156 422 12ms 23 Oct 2023 458th AidanWalter 153 431 13ms 3 Jan 2025 459th KatieLG-Transpiler 🇬🇧 4 15,911 82ms 23 Jun 2022 First Prev 401–459 of 459
