The Calendar hole will go live in approximately 13 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 561st sean-niemann 🇺🇸 812 72 73ms 3 Jul 2025 562nd boxjelly 812 88 117ms 26 Dec 2020 563rd Shanethegamer 🇺🇸 812 162 502ms 22 Jan 2025 564th primo-ppcg 🇹🇭 811 97 74ms 19 Sep 2023 565th obarakon 810 84 8ms 19 Dec 2018 565th dylanarmstrong 810 84 8ms 26 Jan 2024 565th two-bad 🇬🇧 810 84 9ms 15 Feb 2024 565th alexsave 810 84 9ms 31 Aug 2024 565th albanian-laundromat 810 84 9ms 16 days ago 570th annaproxy 810 86 8ms 22 Jun 2023 571st janbehrens 🇩🇪 810 108 486ms 24 Mar 2022 572nd albanian-laundromat 810 142 255ms 14 days ago 573rd Yewzir 🇧🇪 808 94 97ms 14 Sep 2023 574th orthoplex 🇨🇽 808 143 2ms 25 Jun 2023 575th labster 807 55 114ms 20 Feb 2018 575th yokasuretsu 807 55 122ms 27 Apr 2018 575th SirFireball3521 807 55 118ms 14 Mar 2023 578th takebackfr 807 67 45ms 7 Dec 2021 578th Andriamanitra 🇫🇮 807 67 35ms 21 Jul 2022 578th Haksell 🇦🇶 807 67 35ms 22 Feb 2023 581st namelessiw 806 103 363ms 2 Jul 2024 582nd bizy-coder 806 128 2ms 10 Jan 2024 583rd matt9ucci 805 59 222ms 14 Jun 2020 584th ian-h-chamberlain 🇺🇸 805 104 136ms 3 Aug 2022 585th Laksen 🇩🇰 805 122 27ms 9 Jul 2021 586th MeWhenI 🇻🇦 804 143 298ms 8 Feb 2023 586th stefangimmillaro 804 143 293ms 14 Sep 2023 588th clockworknazo 803 75 2ms 9 Nov 2022 589th loserface69 803 76 11ms 15 Mar 2020 589th hggcgio 803 76 9ms 11 Apr 2020 589th nathanadams 🇳🇿 803 76 11ms 10 May 2021 592nd SirBogman 🇺🇸 803 77 39ms 2 Jul 2023 593rd MeWhenI 🇻🇦 803 84 100ms 15 Oct 2022 594th guliyevemil1 🇦🇿 803 89 115ms 17 Apr 2020 594th annaproxy 803 89 120ms 17 Aug 2022 596th error256 803 98 64ms 13 Sep 2024 597th edsrzf 🇳🇿 803 102 6ms 17 Nov 2025 598th m-tkach 🇺🇦 803 111 26ms 6 May 2025 599th AdrienHache 🇫🇷 802 57 57ms 15 Dec 2024 600th dloscutoff 802 63 382ms 27 Nov 2018 601st DialFrost 🇸🇬 802 164 460ms 7 Mar 2025 602nd neel11235813 801 85 8ms 26 Mar 2024 602nd voytxt 🇨🇿 801 85 9ms 27 Jan 2025 604th MeWhenI 🇻🇦 800 95 94ms 25 Feb 2025 605th EvilFonti 800 112 355ms 6 days ago 606th GrayJoKing 🇦🇺 800 129 2ms 21 Jul 2020 607th MeWhenI 🇻🇦 799 59 3ms 15 Apr 2023 607th Shanethegamer 🇺🇸 799 59 3ms 29 Oct 2024 609th edsrzf 🇳🇿 799 99 2ms 17 Nov 2025 610th janbehrens 🇩🇪 798 104 382ms 21 Nov 2021 611th edsrzf 🇳🇿 797 87 4ms 17 Nov 2025 612th albanian-laundromat 797 97 40ms 14 days ago 613th acornellier 795 68 35ms 9 Dec 2018 613th tarotaro0 795 68 43ms 2 Oct 2019 613th dokutan 795 68 818ms 30 Apr 2024 613th aydamak 795 68 39ms 15 May 2024 613th FlyingPenguin223 795 68 947ms 30 Oct 2024 618th emgordon154 795 74 495ms 12 Apr 2025 619th ovs-code 🇩🇪 795 99 72ms 12 Sep 2024 620th LucaArgentiUCF 🇮🇹 793 78 41ms 5 Feb 2021 621st DialFrost 🇸🇬 793 106 97ms 14 days ago 622nd ovs-code 🇩🇪 793 118 433ms 3 Jun 2024 623rd leebar77 792 60 270ms 18 Aug 2021 624th mikepk 792 77 11ms 31 Jan 2019 624th guliyevemil1 🇦🇿 792 77 11ms 17 Apr 2020 624th ageneric 792 77 9ms 13 Oct 2020 624th James-Oswald 🇺🇸 792 77 13ms 19 May 2023 624th InigoK 🇺🇸 792 77 9ms 26 Sep 2025 629th saramaebee 792 86 8ms 15 Oct 2018 629th joseprio 792 86 9ms 13 Aug 2019 629th davishyer 792 86 8ms 9 Dec 2020 629th jeffredodd 792 86 8ms 9 Dec 2020 629th biocommando 🇫🇮 792 86 9ms 26 Dec 2022 629th AlephSquirrel 792 86 8ms 15 Feb 2023 629th trinityy-7 792 86 8ms 19 Oct 2023 629th Yax42 🇫🇷 792 86 9ms 10 Sep 2025 637th janbehrens 🇩🇪 790 64 253ms 1 Nov 2021 637th MeWhenI 🇻🇦 790 64 348ms 14 Feb 2023 639th tomtheisen 🇺🇸 790 105 382ms 14 Dec 2022 640th klixel 🇨🇦 790 106 143ms 4 Jun 2023 First Prev 561–640 of 3,027 Next Last