The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
Christmas Trees 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 159th P-Quentin 🇫🇷 701 77 9ms 8 Aug 2022 159th James-Oswald 🇺🇸 701 77 13ms 19 May 2023 159th InigoK 🇺🇸 701 77 9ms 26 Sep 2025 164th Fracture17 692 78 11ms 2 Apr 2023 164th fuzzylojik-golf 🇺🇸 692 78 9ms 22 May 2025 164th blaztoma 🇱🇹 692 78 10ms 25 days ago 167th deflatSOCO 684 79 10ms 24 Apr 2019 167th jared-hughes 684 79 9ms 2 Oct 2021 167th mosho-p 684 79 12ms 11 Oct 2022 167th AlephSquirrel 684 79 10ms 24 Dec 2022 167th ehulinsky 🇺🇸 684 79 20ms 9 May 2023 167th janbehrens 🇩🇪 684 79 10ms 17 Jun 2023 167th AlexanderFair 684 79 10ms 27 Jul 2023 167th VictorFordham 684 79 10ms 19 Dec 2023 167th rollershutter 684 79 9ms 19 Mar 2024 167th ahmetdemirag 🇨🇾 684 79 9ms 7 Jun 2024 167th stertooy 🇧🇪 684 79 9ms 13 Jun 2024 167th dirckvdende 684 79 9ms 7 Jul 2025 167th retrohun 684 79 9ms 23 Aug 2025 167th Languag3 684 79 13ms 5 days ago 167th Lv0Sys 🇵🇱 684 79 13ms 9 hours ago 182nd daedals 675 80 13ms 19 Jun 2019 182nd StardustGogeta 675 80 9ms 6 Aug 2020 182nd rschwa6308 🇺🇸 675 80 11ms 6 Aug 2020 182nd zbreit 🇺🇸 675 80 9ms 6 Aug 2020 182nd mcjo163 675 80 12ms 6 Aug 2020 182nd jacklynnepenick 675 80 11ms 12 Aug 2021 182nd glesnick 675 80 11ms 17 Aug 2022 182nd StefanHabel 🇨🇦 675 80 9ms 19 Nov 2022 182nd SirFireball3521 675 80 9ms 25 Jan 2023 182nd Pyroan 675 80 9ms 12 Mar 2025 182nd vhoulbreque 🇫🇷 675 80 10ms 22 days ago 193rd somebody1234 667 81 9ms 16 Dec 2018 193rd Andre3582 667 81 9ms 27 Oct 2020 193rd fynnkroeger 667 81 12ms 20 Feb 2021 193rd stordev 667 81 9ms 26 Feb 2021 193rd CodyMiner 667 81 9ms 13 Nov 2021 193rd vishwathg 667 81 9ms 18 Aug 2022 193rd 2bt 667 81 9ms 26 Jan 2024 193rd FCORMERAIS 667 81 11ms 5 Mar 2024 193rd Bmrl7 667 81 9ms 7 Mar 2024 193rd countlpaul-dotcom 667 81 10ms 19 Oct 2025 203rd lrustand 659 82 13ms 5 Feb 2018 203rd bloche 659 82 10ms 22 Dec 2018 203rd RDShah 659 82 11ms 1 Feb 2020 203rd andre-lameirinhas 🇵🇹 659 82 11ms 26 Feb 2020 203rd celynw 659 82 9ms 5 Aug 2020 203rd urojony 🇵🇱 659 82 9ms 4 Jan 2021 203rd nullie 659 82 10ms 7 Jun 2022 203rd DrPiranoid 659 82 9ms 24 Sep 2022 203rd aksyristos 659 82 9ms 18 Jan 2023 203rd badboj40 659 82 9ms 14 Feb 2023 203rd GulgDev 659 82 13ms 22 Mar 2023 203rd cros107 🇦🇺 659 82 9ms 31 May 2023 203rd BREMAUCY 🇫🇷 659 82 10ms 11 Mar 2024 203rd imelxr 🇮🇱 659 82 9ms 17 Aug 2024 203rd nstearns96 🇬🇧 659 82 12ms 22 Oct 2024 203rd klixel 🇨🇦 659 82 10ms 8 Apr 2025 203rd bknower 659 82 9ms 26 Jun 2025 203rd KasperKivimaeki 🇫🇮 659 82 9ms 4 Oct 2025 203rd Bulmenisaurus 659 82 10ms 20 Oct 2025 203rd Andrey2001 659 82 9ms 23 Nov 2025 223rd lmolteno 651 83 10ms 27 Mar 2021 223rd jfallon1997 651 83 11ms 6 Sep 2022 223rd smilesformiles3 651 83 9ms 12 Jun 2025 226th Secozzi 643 84 10ms 21 Mar 2021 226th jjbvtk 643 84 10ms 7 Sep 2021 226th CedricGebistorf 643 84 9ms 23 Feb 2022 226th MichalMarsalek 🇨🇿 643 84 13ms 8 Mar 2022 226th slerpyyy 🇩🇪 643 84 9ms 3 Nov 2022 226th thehylian 643 84 9ms 27 Dec 2022 226th TaserTheFox 🇺🇸 643 84 9ms 20 Jan 2023 226th cefqrn 643 84 10ms 16 Jun 2023 226th RedzGoose 🇦🇺 643 84 9ms 3 Oct 2024 226th qpwoeirut 643 84 10ms 29 Aug 2025 236th zdzc 635 85 9ms 6 Mar 2018 236th dzshn 635 85 10ms 25 Nov 2020 236th PatrickStephansen 🇿🇦 635 85 9ms 26 Jan 2021 236th elmoiv 🇪🇬 635 85 11ms 26 Feb 2021 236th TRG078 635 85 9ms 15 Dec 2021 First Prev 161–240 of 818 Next Last