The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Ordinal Numbers in Python in bytes. 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 Bytes Time Submitted 400th danielharris0 540 150 12ms 17 Jun 2023 402nd markbyrne 536 151 13ms 26 Oct 2020 402nd Kasci 536 151 58ms 7 Dec 2021 402nd wa1ker38552 536 151 13ms 23 May 2023 402nd dylanjones92 536 151 15ms 29 Jan 2024 402nd clayboll99 536 151 13ms 14 Jul 2025 407th febiw 533 152 12ms 22 Mar 2020 408th louisbosqui 529 153 18ms 31 Dec 2020 408th Re-Adventures 🇮🇳 529 153 12ms 15 Feb 2022 410th HassanAliKadhem 🇧🇭 523 155 12ms 4 Jan 2022 410th AnnoyedArt1256 523 155 18ms 22 Jan 2022 410th Azearia 523 155 18ms 21 Feb 2024 413th OppositeShark 519 156 12ms 9 Apr 2022 413th zt14427 519 156 13ms 28 Dec 2024 415th GeryonDev 513 158 12ms 13 Oct 2020 416th goombado 509 159 19ms 8 Feb 2020 416th gnash117 509 159 11ms 31 Dec 2020 418th ToE42 506 160 15ms 9 May 2021 419th shibacho 🇯🇵 503 161 12ms 29 Nov 2021 420th janga1 500 162 12ms 11 Aug 2021 420th yokasuretsu 500 162 13ms 2 Jan 2025 422nd Frowny 494 164 13ms 16 Mar 2020 422nd jmmographer 494 164 14ms 11 Nov 2023 422nd EnisEfe0 494 164 19ms 18 May 2025 425th vodker1 488 166 13ms 8 Mar 2022 426th 4ndyJ 🇬🇧 482 168 12ms 16 Jan 2023 427th KiwiKoder0123 479 169 13ms 22 Oct 2019 428th OSYCh314 🇦🇺 476 170 19ms 16 Nov 2024 429th volpi-m 🇫🇷 471 172 19ms 1 Sep 2020 430th Nibamot 468 173 12ms 21 Jan 2020 430th ashwinvis 468 173 12ms 19 Apr 2020 432nd The3gs 463 175 12ms 13 Oct 2020 432nd feherd 463 175 18ms 30 Aug 2021 434th Oscujic 455 178 12ms 11 Nov 2019 435th gamer0kayf1n3 448 181 12ms 5 May 2023 436th jameslindesay 433 187 12ms 26 Feb 2021 437th SOONwasTaken 429 189 12ms 1 Oct 2025 438th DGipe 405 200 20ms 6 May 2024 439th mikaelivarsson 401 202 18ms 28 Aug 2019 439th ThatAlo 401 202 12ms 19 May 2023 439th JakeDaCake36 401 202 13ms 21 Feb 2024 439th zwxzwxzwx21 401 202 12ms 12 May 2024 439th NoneTheFewer 401 202 12ms 13 days ago 444th NuqieNoila 372 218 12ms 9 Aug 2019 444th jgermain48 372 218 11ms 8 Dec 2019 446th r-i-c-e 367 221 12ms 20 Jul 2023 447th UltimateGuy0987 362 224 13ms 14 Oct 2022 448th felixcroc 351 231 18ms 19 Apr 2022 449th leon-w 335 242 19ms 12 Jul 2019 450th HaiPaul 299 271 12ms 5 Mar 2024 451st joshuamkite 298 272 12ms 25 Aug 2023 452nd tpepython 291 278 12ms 13 Feb 2025 453rd alfonsoalves 290 279 13ms 21 Jul 2024 454th MariuszPienkosz 266 304 12ms 20 May 2020 455th codefeld 245 331 12ms 20 Feb 2023 456th Zhenyu-Bo 196 413 12ms 1 Aug 2025 457th eli-siegel 192 422 12ms 23 Oct 2023 458th AidanWalter 188 431 13ms 3 Jan 2025 459th KatieLG-Transpiler 🇬🇧 5 15,911 82ms 23 Jun 2022 First Prev 401–459 of 459