The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Christmas Trees 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 636th petroselo 590 105 12ms 12 Apr 2022 636th jamespeilunli 590 105 11ms 29 Apr 2022 636th Techdude01 590 105 9ms 21 Dec 2023 636th aarooosh 590 105 9ms 8 Aug 2024 645th Adi-K527 585 106 10ms 24 Apr 2021 645th jbrry 585 106 11ms 5 Jul 2022 645th bartvw 585 106 9ms 28 Oct 2022 645th asmull 585 106 9ms 20 Nov 2023 645th gautambp 585 106 9ms 30 Jun 2025 645th codewrite 🇬🇧 585 106 9ms 4 Jul 2025 651st kusti8 579 107 11ms 30 Jul 2019 651st ValdeQwerty 579 107 9ms 27 Nov 2019 651st Nordle 579 107 11ms 28 Feb 2020 651st cole-wilson 579 107 9ms 3 Dec 2020 651st NicoAdams 579 107 9ms 21 Nov 2021 651st twocatsinatrenchcoat 579 107 9ms 5 May 2022 651st 6lr61 579 107 9ms 1 Dec 2022 651st Smorgasaurus 579 107 9ms 15 Apr 2023 659th ridingqwerty 🇺🇸 574 108 9ms 22 Dec 2023 659th CyberTapir 574 108 9ms 1 Sep 2024 661st wilkij1 569 109 9ms 16 Jun 2018 661st h-hh-hhh 🇺🇦 569 109 10ms 10 Jan 2022 661st Trunksistor 🇫🇷 569 109 9ms 21 Apr 2022 661st jorisbertram 569 109 10ms 26 Aug 2022 661st jhpaques 🇫🇷 569 109 11ms 6 Dec 2022 661st JakeDaCake36 569 109 11ms 18 Feb 2024 661st FCORMERAIS 569 109 11ms 5 Mar 2024 668th tkwa 564 110 10ms 4 Dec 2018 668th ionutm82 564 110 10ms 18 Dec 2018 668th zuparnowa 564 110 9ms 28 Jan 2019 668th henrytranter 564 110 11ms 20 Sep 2019 668th cthierfelder 🇲🇨 564 110 9ms 13 Nov 2025 673rd adoxography 559 111 9ms 21 May 2018 673rd Bananapants22 559 111 9ms 21 Sep 2022 673rd Nightmarius 559 111 11ms 19 Jan 2024 676th GeoffroyF 554 112 11ms 14 May 2018 676th SimonPeatman 554 112 9ms 29 Dec 2018 676th LaisaLI 554 112 11ms 4 Oct 2019 676th JorenZ 554 112 11ms 10 Oct 2021 676th LeeCamp 554 112 12ms 27 Nov 2021 676th dragonshadows07 554 112 11ms 7 Feb 2024 676th mbittner20 554 112 10ms 21 Sep 2024 683rd jackkav 549 113 10ms 20 Jan 2019 683rd goliwok 549 113 11ms 8 Aug 2020 683rd mrmena 🇦🇺 549 113 12ms 22 Jun 2021 683rd raphaelimahorn 549 113 10ms 3 Aug 2021 683rd zwxzwxzwx21 549 113 9ms 18 Jan 2024 683rd julian-hoelz 549 113 10ms 16 Sep 2024 683rd Deedogg 549 113 9ms 16 Nov 2024 690th bkshrader 544 114 9ms 19 Mar 2019 690th ieeemma 544 114 11ms 31 Jul 2019 690th mortimervonchappuis 544 114 9ms 7 Mar 2020 690th pyrolitic 🇮🇪 544 114 11ms 7 Apr 2022 690th bingbingcrosby 544 114 9ms 8 Oct 2022 690th hotmanga 544 114 11ms 17 Oct 2023 690th xbxbxb007 544 114 9ms 10 Jan 2024 697th connorwagner 539 115 9ms 26 Jun 2018 697th ktnguyen2 539 115 10ms 4 Jan 2020 697th GreenyNeko 539 115 11ms 24 Jul 2020 700th Maxou73 534 116 11ms 16 Jun 2022 700th kevinnaviapaiva 534 116 9ms 12 Feb 2025 702nd newc0m 530 117 9ms 15 Dec 2018 702nd plasmaofthedawn 530 117 10ms 19 Feb 2019 702nd befoster 530 117 9ms 10 Apr 2021 702nd shibacho 🇯🇵 530 117 9ms 18 Mar 2022 702nd Zach10za 530 117 9ms 29 Nov 2022 702nd Upload-and-View 🇺🇦 530 117 9ms 9 Aug 2025 708th hardlyBearable 525 118 11ms 12 May 2019 708th SchmulRosenzwe1g 525 118 10ms 2 Mar 2021 708th arinhyther 525 118 9ms 16 Jan 2023 708th eddvrs 525 118 10ms 20 Dec 2023 708th JoaoFelipe3 525 118 11ms 15 Jan 2024 708th Hyperoplex145 525 118 9ms 9 Nov 2025 714th raymond-li16 521 119 9ms 10 Jul 2020 714th Keegan-T 🇨🇦 521 119 11ms 18 Sep 2021 714th StoverGitHub 521 119 9ms 15 Jun 2022 714th LeoTheMiner12 521 119 9ms 12 Jul 2025 718th ramonmedeiros 517 120 9ms 15 Dec 2020 718th Techno504 517 120 9ms 22 Sep 2021 720th ArturLange 512 121 9ms 17 Apr 2020 First Prev 641–720 of 819 Next Last
