The Calendar hole will go live in approximately 11 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 Yax42 🇫🇷 813 102 372ms 29 Jan 2025 562nd sean-niemann 🇺🇸 812 72 73ms 3 Jul 2025 563rd boxjelly 812 88 117ms 26 Dec 2020 564th Shanethegamer 🇺🇸 812 162 502ms 22 Jan 2025 565th primo-ppcg 🇹🇭 811 97 74ms 19 Sep 2023 566th obarakon 810 84 8ms 19 Dec 2018 566th dylanarmstrong 810 84 8ms 26 Jan 2024 566th two-bad 🇬🇧 810 84 9ms 15 Feb 2024 566th alexsave 810 84 9ms 31 Aug 2024 566th albanian-laundromat 810 84 9ms 18 days ago 571st annaproxy 810 86 8ms 22 Jun 2023 572nd janbehrens 🇩🇪 810 108 486ms 24 Mar 2022 573rd albanian-laundromat 810 142 255ms 16 days ago 574th Yewzir 🇧🇪 808 94 97ms 14 Sep 2023 575th orthoplex 🇨🇽 808 143 2ms 25 Jun 2023 576th labster 807 55 114ms 20 Feb 2018 576th yokasuretsu 807 55 122ms 27 Apr 2018 576th SirFireball3521 807 55 118ms 14 Mar 2023 579th takebackfr 807 67 45ms 7 Dec 2021 579th Andriamanitra 🇫🇮 807 67 35ms 21 Jul 2022 579th Haksell 🇦🇶 807 67 35ms 22 Feb 2023 582nd namelessiw 806 103 363ms 2 Jul 2024 583rd bizy-coder 806 128 2ms 10 Jan 2024 584th matt9ucci 805 59 222ms 14 Jun 2020 585th ian-h-chamberlain 🇺🇸 805 104 136ms 3 Aug 2022 586th Laksen 🇩🇰 805 122 27ms 9 Jul 2021 587th MeWhenI 🇻🇦 804 143 298ms 8 Feb 2023 587th stefangimmillaro 804 143 293ms 14 Sep 2023 589th clockworknazo 803 75 2ms 9 Nov 2022 590th loserface69 803 76 11ms 15 Mar 2020 590th hggcgio 803 76 9ms 11 Apr 2020 590th nathanadams 🇳🇿 803 76 11ms 10 May 2021 593rd SirBogman 🇺🇸 803 77 39ms 2 Jul 2023 594th MeWhenI 🇻🇦 803 84 100ms 15 Oct 2022 595th guliyevemil1 🇦🇿 803 89 115ms 17 Apr 2020 595th annaproxy 803 89 120ms 17 Aug 2022 597th error256 803 98 64ms 13 Sep 2024 598th edsrzf 🇳🇿 803 102 6ms 17 Nov 2025 599th m-tkach 🇺🇦 803 111 26ms 6 May 2025 600th AdrienHache 🇫🇷 802 57 57ms 15 Dec 2024 601st dloscutoff 802 63 382ms 27 Nov 2018 602nd DialFrost 🇸🇬 802 164 460ms 7 Mar 2025 603rd neel11235813 801 85 8ms 26 Mar 2024 603rd voytxt 🇨🇿 801 85 9ms 27 Jan 2025 605th MeWhenI 🇻🇦 800 59 3ms 15 Apr 2023 605th Shanethegamer 🇺🇸 800 59 3ms 29 Oct 2024 605th blaztoma 🇱🇹 800 59 3ms 27 mins ago 608th MeWhenI 🇻🇦 800 95 94ms 25 Feb 2025 609th EvilFonti 800 112 355ms 7 days ago 610th GrayJoKing 🇦🇺 800 129 2ms 21 Jul 2020 611th edsrzf 🇳🇿 799 99 2ms 17 Nov 2025 612th janbehrens 🇩🇪 798 104 382ms 21 Nov 2021 613th edsrzf 🇳🇿 797 87 4ms 17 Nov 2025 614th albanian-laundromat 797 97 40ms 16 days ago 615th acornellier 795 68 35ms 9 Dec 2018 615th tarotaro0 795 68 43ms 2 Oct 2019 615th dokutan 795 68 818ms 30 Apr 2024 615th aydamak 795 68 39ms 15 May 2024 615th FlyingPenguin223 795 68 947ms 30 Oct 2024 615th TheZwierzLF 🇵🇱 795 68 33ms 13 hours ago 621st emgordon154 795 74 495ms 12 Apr 2025 622nd ovs-code 🇩🇪 795 99 72ms 12 Sep 2024 623rd LucaArgentiUCF 🇮🇹 793 78 41ms 5 Feb 2021 624th DialFrost 🇸🇬 793 106 97ms 16 days ago 625th ovs-code 🇩🇪 793 118 433ms 3 Jun 2024 626th leebar77 792 60 270ms 18 Aug 2021 627th mikepk 792 77 11ms 31 Jan 2019 627th guliyevemil1 🇦🇿 792 77 11ms 17 Apr 2020 627th ageneric 792 77 9ms 13 Oct 2020 627th James-Oswald 🇺🇸 792 77 13ms 19 May 2023 627th InigoK 🇺🇸 792 77 9ms 26 Sep 2025 632nd saramaebee 792 86 8ms 15 Oct 2018 632nd joseprio 792 86 9ms 13 Aug 2019 632nd davishyer 792 86 8ms 9 Dec 2020 632nd jeffredodd 792 86 8ms 9 Dec 2020 632nd biocommando 🇫🇮 792 86 9ms 26 Dec 2022 632nd AlephSquirrel 792 86 8ms 15 Feb 2023 632nd trinityy-7 792 86 8ms 19 Oct 2023 632nd Yax42 🇫🇷 792 86 9ms 10 Sep 2025 640th janbehrens 🇩🇪 790 64 253ms 1 Nov 2021 First Prev 561–640 of 3,030 Next Last