The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Christmas Trees in JavaScript 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 153rd charliegaming 686 102 8ms 3 Oct 2023 153rd coreynash 686 102 8ms 12 Apr 2024 163rd lcba 680 103 9ms 22 Jan 2020 163rd richard-oelze 🇩🇪 680 103 9ms 30 Jan 2021 163rd dukeaccent 🇫🇮 680 103 8ms 27 Nov 2022 163rd FrederikHutfless 🇩🇪 680 103 9ms 23 Dec 2022 163rd GulgDev 680 103 9ms 14 Nov 2023 168th mandm-pt 673 104 8ms 30 Jun 2021 168th smclaughlin-cf 673 104 9ms 20 Mar 2025 170th sethimcclaine 667 105 9ms 5 Apr 2019 170th dijs 667 105 8ms 8 Dec 2019 170th ArmaanAS 667 105 8ms 22 Feb 2022 170th kibblator 667 105 9ms 30 Sep 2023 170th Florian-Mt 667 105 9ms 12 Jul 2024 175th entibo 660 106 8ms 14 Dec 2019 175th pbarath 660 106 9ms 4 Jun 2021 175th ibeucaly 660 106 9ms 26 Nov 2021 175th seyja 660 106 8ms 1 Dec 2021 175th yAlphabet 660 106 9ms 16 Nov 2023 180th tomh1012 654 107 9ms 15 Oct 2020 180th valgardg 🇮🇸 654 107 9ms 13 Aug 2021 180th eranws 654 107 9ms 10 Sep 2022 180th adamnielson42 🇺🇸 654 107 8ms 25 Apr 2023 180th TRexOnGit 654 107 9ms 30 Jan 2024 180th strattonwhisler 654 107 9ms 6 May 2025 180th acollett89 654 107 8ms 23 Jun 2025 187th leon-w 648 108 9ms 5 Jan 2020 187th ForkKILLET 🇨🇳 648 108 9ms 18 Feb 2021 187th ShiraJoseph 🇺🇸 648 108 8ms 10 May 2022 190th aaronshaf 642 109 9ms 14 Dec 2020 191st jakobwitte 636 110 9ms 25 Mar 2018 191st marekMin 636 110 9ms 25 Nov 2019 191st veiko 636 110 9ms 22 Jun 2022 191st AnnoyedArt1256 636 110 8ms 21 Aug 2022 191st msbranicky 636 110 8ms 8 Jan 2024 196th casivido 631 111 8ms 21 Dec 2018 196th Joe85gr 631 111 9ms 30 Sep 2023 196th hotmanga 631 111 8ms 17 Oct 2023 196th xbxbxb007 631 111 9ms 10 Jan 2024 196th SebassNoob 631 111 9ms 8 Aug 2025 201st SkimnerPhi 625 112 8ms 5 Dec 2020 201st TechNolaByte 625 112 9ms 15 Jun 2021 201st CallanMcNulty 625 112 8ms 29 Sep 2022 201st n3uromanc3r 625 112 9ms 12 Dec 2024 201st RobertHoeh 625 112 9ms 5 Apr 2025 201st KAKISKA-code 🇫🇮 625 112 9ms 24 May 2025 207th Re-Adventures 🇮🇳 619 113 8ms 10 Aug 2022 208th gdickison 614 114 8ms 21 Dec 2018 208th Henrixounez 614 114 8ms 17 Sep 2021 208th joakim-ronning 614 114 8ms 24 May 2023 208th stephanie-flower 614 114 9ms 13 days ago 212th sammylou852 609 115 8ms 30 Nov 2018 212th NatNgs 609 115 8ms 21 Jan 2020 212th devrieda 609 115 9ms 9 Dec 2020 215th unfinishedprogram 603 116 9ms 27 Jun 2025 216th JonathanPartain 598 117 9ms 9 Mar 2022 217th Kladdkaka 588 119 9ms 27 Feb 2018 217th Michal-Miky-Jankovsky 588 119 8ms 30 Apr 2020 217th stadamdoki 588 119 9ms 7 Jun 2021 220th Nuottajarvi 583 120 9ms 8 Oct 2018 220th jwhear 🇺🇸 583 120 9ms 21 Dec 2018 220th lucas-hugdahl 583 120 8ms 28 Nov 2019 220th hvanderdys 583 120 8ms 9 Dec 2019 220th krcs 🇵🇱 583 120 8ms 26 Dec 2021 225th GiftOfDeath 579 121 9ms 5 Feb 2018 225th tehgeg 579 121 9ms 3 Mar 2019 225th jacobsmith 579 121 8ms 5 Mar 2021 225th rgthree 579 121 8ms 24 Aug 2023 225th LuisGoncalves05 🇵🇹 579 121 9ms 27 Jul 2025 230th E2dgar 574 122 8ms 31 Jan 2022 231st i-a-n 560 125 9ms 8 May 2018 231st flempke 560 125 8ms 12 Oct 2018 231st atsheridan 560 125 8ms 7 Feb 2020 231st null-tangent 560 125 8ms 21 Aug 2022 231st lewdev 🇺🇸 560 125 9ms 3 Jul 2024 231st johnkiernander 560 125 9ms 8 days ago 237th Cube14yt 556 126 9ms 19 Nov 2025 238th modellking 551 127 9ms 3 Jun 2020 238th Kibble 551 127 9ms 12 Jul 2020 238th con-cs 551 127 8ms 26 Oct 2021 First Prev 161–240 of 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