The Calendar hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Christmas Trees in all languages 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 481st MarcMush 🇫🇷 829 61 489ms 13 Jan 2022 482nd ScottHamper 829 108 447ms 30 Nov 2025 483rd KatieLG 🇬🇧 828 71 486ms 3 Aug 2025 483rd commandblockguy 🇺🇸 828 71 528ms 1 Sep 2025 485th MeWhenI 🇻🇦 828 91 1ms 12 Nov 2022 486th kaascevich 827 92 101ms 8 Jul 2025 487th sean-niemann 🇺🇸 825 73 2ms 13 Jul 2023 488th Sakaala 825 74 10ms 24 Apr 2019 488th Attero 🇸🇪 825 74 9ms 4 Oct 2020 488th rzana 825 74 10ms 14 Dec 2020 488th abel465 🇳🇿 825 74 9ms 6 May 2021 488th RYNO8 825 74 9ms 26 Aug 2021 488th orthoplex 🇨🇽 825 74 10ms 10 Jan 2022 488th shelerr 825 74 9ms 8 Sep 2022 488th commandblockguy 🇺🇸 825 74 10ms 20 Sep 2022 488th Eilonlif 🇮🇱 825 74 12ms 7 Apr 2023 488th jmerle 🇳🇱 825 74 10ms 12 Jul 2023 488th WillConker 825 74 10ms 16 Jul 2023 488th DialFrost 🇸🇬 825 74 9ms 25 Oct 2023 488th wyarde 825 74 9ms 7 Nov 2023 488th chartung17 825 74 9ms 10 Dec 2023 488th sultan 825 74 9ms 9 Mar 2024 488th zaki1993 825 74 9ms 28 May 2024 488th jatloe 825 74 9ms 24 Aug 2024 488th plcc0 825 74 9ms 3 Mar 2025 488th MeWhenI 🇻🇦 825 74 10ms 17 Apr 2025 488th YAJUE114514 825 74 9ms 30 Jul 2025 508th sisyphus-ppcg 🇦🇺 825 84 5ms 2 Jul 2023 509th bricknellj 825 125 1ms 29 Nov 2022 510th Steffan153 🇫🇮 823 71 78ms 24 Oct 2023 511th Waffle3z 823 93 265ms 5 Feb 2021 512th MeWhenI 🇻🇦 822 82 2ms 9 Sep 2022 513th JDiLenarda 🇫🇷 821 87 1,277ms 7 Nov 2020 513th Awsute 821 87 117ms 22 Mar 2022 513th MeWhenI 🇻🇦 821 87 1,237ms 18 Jun 2024 516th btjones0 821 102 147ms 29 Dec 2020 516th xDavidL 821 102 126ms 6 May 2021 516th Ignition 🇬🇧 821 102 140ms 12 Oct 2023 519th kkoenig 821 140 266ms 8 Sep 2025 520th lifthrasiir 🇰🇷 820 41 2ms 29 Nov 2024 521st dmrichwa 🇺🇸 820 83 8ms 19 Mar 2022 521st moikaturns 🇬🇧 820 83 8ms 2 Sep 2022 521st makinde 820 83 8ms 7 Nov 2022 521st zakariamouhid 820 83 9ms 1 May 2023 521st iliazeus 820 83 9ms 15 Feb 2024 521st lukegustafson 🇺🇸 820 83 9ms 7 Aug 2024 521st albanian-laundromat 820 83 10ms 40 hours ago 528th GrayJoKing 🇦🇺 820 96 69ms 20 days ago 529th juliansiebert 🇩🇪 819 58 210ms 25 Jul 2022 529th Arnaud-beep 🇫🇷 819 58 211ms 23 Sep 2022 531st TheZwierzLF 🇵🇱 819 66 37ms 8 days ago 532nd SirBogman 🇺🇸 817 72 334ms 15 Jan 2024 533rd ovs-code 🇩🇪 817 107 523ms 6 Mar 2022 534th emgordon154 817 161 455ms 30 May 2025 535th MeWhenI 🇻🇦 816 38 41ms 22 Jul 2022 535th SirBogman 🇺🇸 816 38 38ms 17 Sep 2022 537th emplv 🇱🇻 816 85 5ms 23 Nov 2022 538th primo-ppcg 🇹🇭 814 74 2ms 8 Nov 2022 538th retrohun 814 74 2ms 22 Aug 2025 540th Mr-Xcoder 814 75 13ms 28 Dec 2018 540th giacomogallina 814 75 11ms 14 Jun 2019 540th petar-donchev 814 75 11ms 5 Sep 2019 540th LlamaLad7 🇬🇧 814 75 10ms 16 Mar 2020 540th PiterAnnema 814 75 12ms 30 Aug 2020 540th BLorant 814 75 9ms 23 Dec 2020 540th xsot 🇸🇬 814 75 10ms 2 Jan 2021 540th qrico64 814 75 10ms 2 Feb 2021 540th Brianzhengca 814 75 9ms 2 Feb 2021 540th RobbeSneyders 814 75 11ms 29 Nov 2021 540th neihousaigaai 814 75 9ms 6 Mar 2022 540th markusgraube 814 75 12ms 25 Jun 2023 540th GeneralPoxter 814 75 12ms 7 Dec 2023 540th neel11235813 814 75 10ms 18 Jan 2024 540th CaedenHarper 🇨🇦 814 75 9ms 25 Dec 2024 540th kops-cg 814 75 9ms 21 Feb 2025 540th FEZfan 🇦🇺 814 75 11ms 26 Apr 2025 540th davecame 814 75 9ms 24 Oct 2025 558th janAkali 🇷🇺 814 94 268ms 17 May 2025 559th nwellnhof 🇩🇪 814 110 437ms 25 Sep 2025 559th DialFrost 🇸🇬 814 110 451ms 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