The Calendar hole will go live in approximately 3 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 640th wrhm 514 105 9ms 12 Dec 2020 640th gheissen 514 105 12ms 23 Dec 2020 640th krcs 🇵🇱 514 105 11ms 27 Dec 2021 640th alytarik 514 105 10ms 11 Jan 2022 640th petroselo 514 105 12ms 12 Apr 2022 640th jamespeilunli 514 105 11ms 29 Apr 2022 640th Techdude01 514 105 9ms 21 Dec 2023 640th aarooosh 514 105 9ms 8 Aug 2024 649th Adi-K527 509 106 10ms 24 Apr 2021 649th mokymok 🇺🇸 509 106 14ms 23 Jul 2021 649th jbrry 509 106 11ms 5 Jul 2022 649th bartvw 509 106 9ms 28 Oct 2022 649th asmull 509 106 9ms 20 Nov 2023 649th gautambp 509 106 9ms 30 Jun 2025 649th codewrite 🇬🇧 509 106 9ms 4 Jul 2025 656th kusti8 505 107 11ms 30 Jul 2019 656th ValdeQwerty 505 107 9ms 27 Nov 2019 656th Nordle 505 107 11ms 28 Feb 2020 656th cole-wilson 505 107 9ms 3 Dec 2020 656th NicoAdams 505 107 9ms 21 Nov 2021 656th CuboidRaptor 🇨🇦 505 107 10ms 18 Jan 2022 656th twocatsinatrenchcoat 505 107 9ms 5 May 2022 656th 6lr61 505 107 9ms 1 Dec 2022 656th Smorgasaurus 505 107 9ms 15 Apr 2023 665th ridingqwerty 🇺🇸 500 108 9ms 22 Dec 2023 665th CyberTapir 500 108 9ms 1 Sep 2024 667th wilkij1 495 109 9ms 16 Jun 2018 667th h-hh-hhh 🇺🇦 495 109 10ms 10 Jan 2022 667th Trunksistor 🇫🇷 495 109 9ms 21 Apr 2022 667th jorisbertram 495 109 10ms 26 Aug 2022 667th JakeDaCake36 495 109 11ms 18 Feb 2024 672nd tkwa 491 110 10ms 4 Dec 2018 672nd ionutm82 491 110 10ms 18 Dec 2018 672nd zuparnowa 491 110 9ms 28 Jan 2019 672nd henrytranter 491 110 11ms 20 Sep 2019 672nd cthierfelder 🇲🇨 491 110 9ms 13 Nov 2025 677th adoxography 486 111 9ms 21 May 2018 677th Bananapants22 486 111 9ms 21 Sep 2022 677th Nightmarius 486 111 11ms 19 Jan 2024 680th GeoffroyF 482 112 11ms 14 May 2018 680th SimonPeatman 482 112 9ms 29 Dec 2018 680th LaisaLI 482 112 11ms 4 Oct 2019 680th JorenZ 482 112 11ms 10 Oct 2021 680th LeeCamp 482 112 12ms 27 Nov 2021 680th dragonshadows07 482 112 11ms 7 Feb 2024 680th mbittner20 482 112 10ms 21 Sep 2024 687th jackkav 478 113 10ms 20 Jan 2019 687th goliwok 478 113 11ms 8 Aug 2020 687th mrmena 🇦🇺 478 113 12ms 22 Jun 2021 687th raphaelimahorn 478 113 10ms 3 Aug 2021 687th zwxzwxzwx21 478 113 9ms 18 Jan 2024 687th julian-hoelz 478 113 10ms 16 Sep 2024 693rd bkshrader 474 114 9ms 19 Mar 2019 693rd ieeemma 474 114 11ms 31 Jul 2019 693rd mortimervonchappuis 474 114 9ms 7 Mar 2020 693rd pyrolitic 🇮🇪 474 114 11ms 7 Apr 2022 693rd bingbingcrosby 474 114 9ms 8 Oct 2022 693rd hotmanga 474 114 11ms 17 Oct 2023 693rd xbxbxb007 474 114 9ms 10 Jan 2024 700th connorwagner 470 115 9ms 26 Jun 2018 700th ktnguyen2 470 115 10ms 4 Jan 2020 700th GreenyNeko 470 115 11ms 24 Jul 2020 703rd Maxou73 466 116 11ms 16 Jun 2022 703rd kevinnaviapaiva 466 116 9ms 12 Feb 2025 705th newc0m 462 117 9ms 15 Dec 2018 705th plasmaofthedawn 462 117 10ms 19 Feb 2019 705th befoster 462 117 9ms 10 Apr 2021 705th shibacho 🇯🇵 462 117 9ms 18 Mar 2022 705th Zach10za 462 117 9ms 29 Nov 2022 705th Upload-and-View 🇺🇦 462 117 9ms 9 Aug 2025 711th hardlyBearable 458 118 11ms 12 May 2019 711th SchmulRosenzwe1g 458 118 10ms 2 Mar 2021 711th arinhyther 458 118 9ms 16 Jan 2023 711th eddvrs 458 118 10ms 20 Dec 2023 711th JoaoFelipe3 458 118 11ms 15 Jan 2024 711th Hyperoplex145 458 118 9ms 9 Nov 2025 717th raymond-li16 454 119 9ms 10 Jul 2020 717th Keegan-T 🇨🇦 454 119 11ms 18 Sep 2021 717th StoverGitHub 454 119 9ms 15 Jun 2022 717th LeoTheMiner12 454 119 9ms 12 Jul 2025 First Prev 641–720 of 819 Next Last
