The Calendar hole will go live in approximately 26 hours. Why not try and solve it ahead of time?
Inventory Sequence 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 161st betaveros 720 75 13ms 31 Dec 2022 161st Wildst 720 75 14ms 7 Jul 2023 161st mosho-p 720 75 21ms 14 Sep 2023 161st eiburns 720 75 18ms 26 Oct 2023 165th Edjyzod 711 76 20ms 31 Mar 2023 166th Squidled 701 77 14ms 3 Jan 2023 166th mbittner20 701 77 14ms 27 May 2023 166th xyangst 701 77 14ms 7 Oct 2024 169th Techdude01 684 79 14ms 20 Jan 2023 169th rollershutter 684 79 43ms 4 Jul 2023 169th bob-th 684 79 14ms 19 Aug 2023 169th qwjhvbxi 684 79 15ms 6 Feb 2024 173rd Vaekor 675 80 15ms 9 Jul 2023 173rd rucin93 🇵🇱 675 80 22ms 10 Feb 2024 173rd JunkIce 675 80 14ms 26 Dec 2024 173rd fuzzylojik-golf 🇺🇸 675 80 15ms 9 Jun 2025 173rd Flekay 🇩🇪 675 80 14ms 10 Jul 2025 178th fkantelberg 667 81 11ms 23 Jul 2023 178th CutSandstone 667 81 13ms 4 Jul 2024 180th TaserTheFox 🇺🇸 659 82 15ms 31 Mar 2023 180th StefanHabel 🇨🇦 659 82 15ms 21 Apr 2024 182nd glesnick 651 83 51ms 23 Nov 2022 182nd Yewzir 🇧🇪 651 83 14ms 7 Feb 2024 182nd wh3n3v3r 🇨🇿 651 83 14ms 14 Nov 2024 185th twocatsinatrenchcoat 643 84 15ms 29 Nov 2022 185th FortuiteMan 🇫🇷 643 84 15ms 21 Jul 2025 187th AZ9tumas 628 86 14ms 17 Dec 2022 187th jmerle 🇳🇱 628 86 19ms 11 Jul 2023 187th Mikey-Beep 🇬🇧 628 86 15ms 2 Jun 2024 187th khaninm 628 86 24ms 4 Jun 2025 191st Just4FunCoder 607 89 42ms 23 Mar 2023 192nd SirFireball3521 600 90 14ms 23 Jan 2023 192nd yuchuehw 600 90 15ms 10 Feb 2024 194th LeeCamp 593 91 33ms 8 Jan 2023 194th aksyristos 593 91 978ms 17 Jan 2023 196th WillowWispy 587 92 10ms 17 Mar 2025 196th osNiko 🇧🇷 587 92 14ms 18 Aug 2025 198th inverseLorentz 🇦🇺 581 93 16ms 7 Jan 2024 199th QuincyNash 🇺🇸 574 94 23ms 27 Nov 2022 200th adamreidsmith 563 96 15ms 16 Feb 2024 201st TobyBoyne 🇬🇧 551 98 14ms 28 Nov 2022 201st TheLazySquid 551 98 14ms 23 Jan 2023 203rd brimstonetrader 535 101 14ms 8 Jan 2024 204th jameswmccarty 529 102 17ms 23 Feb 2025 205th amollberg 🇸🇪 524 103 20ms 23 Apr 2023 205th HumanoidCPU 524 103 38ms 26 Jun 2024 205th ComputerKWasTaken 🇺🇸 524 103 15ms 23 Jan 2025 205th Andrey2001 524 103 193ms 29 Nov 2025 209th ridingqwerty 🇺🇸 519 104 14ms 1 Feb 2024 209th Pyroan 519 104 23ms 16 Apr 2025 211th NoahBolohan 🇨🇦 514 105 15ms 2 Feb 2023 212th TheCod-r 🇦🇶 509 106 15ms 24 Feb 2023 212th adoxography 509 106 16ms 19 Nov 2023 214th eshilo-draper 495 109 16ms 12 Jun 2023 214th Ythaenagor 495 109 17ms 5 Aug 2024 216th aeonsablaze 482 112 18ms 22 Nov 2022 216th cingulataluke 482 112 13ms 28 Aug 2023 218th Ripick 470 115 14ms 8 Feb 2023 219th J09M 462 117 929ms 15 days ago 220th DrPrettyman 458 118 14ms 6 Jul 2023 220th gigaprofisi 🇺🇸 458 118 952ms 1 Nov 2025 222nd keelimeguy 🇺🇸 443 122 13ms 14 Jun 2025 223rd robin-scragg 415 130 13ms 25 Oct 2025 224th kevinnaviapaiva 388 139 11ms 7 Mar 2025 225th shibacho 🇯🇵 386 140 9ms 13 Dec 2022 226th RaBa21 🇭🇺 375 144 19ms 19 Jul 2025 227th Yongmin870 372 145 883ms 16 Dec 2023 228th clayboll99 367 147 13ms 11 Jul 2025 229th dylanjones92 316 171 15ms 18 Jan 2024 230th atazzam 🇺🇸 314 172 18ms 4 Feb 2023 231st henry-von-wichert 273 198 17ms 30 Mar 2023 232nd alfonsoalves 257 210 12ms 27 Feb 2024 233rd Zhenyu-Bo 213 253 14ms 31 Jul 2025 234th Upload-and-View 🇺🇦 181 298 16ms 25 Aug 2025 235th AidanWalter 85 636 14ms 3 Jan 2025 236th retrohun 20 2,635 10ms 27 Dec 2022 236th ehulinsky 🇺🇸 20 2,635 10ms 8 May 2023 236th Mabeloid 🇳🇴 20 2,635 9ms 3 Oct 2024 236th kurkale6ka 20 2,635 10ms 18 days ago 240th zt14427 15 3,630 11ms 18 Nov 2023 First Prev 161–240 of 241 Next Last