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 390th Shanethegamer 🇺🇸 847 72 9ms 18 Jan 2024 390th duckyluuk 🇳🇱 847 72 9ms 18 Jan 2024 390th Grrisly 847 72 11ms 25 Mar 2024 390th b-illy 🇬🇧 847 72 10ms 16 Sep 2024 390th Seek64 🇩🇪 847 72 9ms 12 May 2025 406th MichalMarsalek 🇨🇿 847 89 2ms 27 Sep 2022 407th Attero 🇸🇪 847 98 422ms 21 Nov 2021 407th nwellnhof 🇩🇪 847 98 373ms 21 Nov 2021 407th primo-ppcg 🇹🇭 847 98 383ms 21 Nov 2021 410th primo-ppcg 🇹🇭 847 116 25ms 14 Jul 2021 411th biinari 845 64 40ms 25 Mar 2018 411th Ardena 845 64 36ms 11 Dec 2020 411th 4hg 🇺🇸 845 64 33ms 8 Nov 2022 414th Attero 🇸🇪 845 82 6ms 1 Sep 2020 415th Natanaelel 🇸🇪 844 64 986ms 7 Sep 2021 415th emgordon154 844 64 1,030ms 17 Nov 2024 417th sean-niemann 🇺🇸 843 60 357ms 9 Nov 2023 418th Steffan153 🇫🇮 843 80 99ms 19 Aug 2024 419th JRaspass 🇬🇧 842 56 3ms 1 Feb 2018 420th marcin7Cd 841 85 115ms 13 Apr 2020 420th cipharius 841 85 117ms 21 Jan 2021 422nd GrayJoKing 🇦🇺 841 90 4ms 26 Aug 2023 423rd sean-niemann 🇺🇸 841 91 267ms 9 Nov 2023 423rd MeWhenI 🇻🇦 841 91 369ms 27 Jul 2024 425th sean-niemann 🇺🇸 841 104 558ms 13 Jul 2023 426th ngn 🇧🇬 840 40 2ms 17 Jan 2022 427th lifthrasiir 🇰🇷 840 70 370ms 2 Dec 2024 428th prplz 🇦🇺 840 81 8ms 8 Jan 2020 428th nathanadams 🇳🇿 840 81 8ms 9 May 2021 428th itsh01 840 81 8ms 15 Mar 2022 428th jared-hughes 840 81 8ms 28 Mar 2022 428th duckyluuk 🇳🇱 840 81 8ms 26 Mar 2024 433rd primo-ppcg 🇹🇭 840 85 1,324ms 28 May 2020 434th mrmena 🇦🇺 840 92 40ms 11 May 2024 435th jonahx 839 39 33ms 3 Dec 2021 435th Natanaelel 🇸🇪 839 39 38ms 22 Nov 2023 437th sean-niemann 🇺🇸 839 137 295ms 6 May 2024 438th sean-niemann 🇺🇸 837 100 155ms 8 Jun 2025 439th MeWhenI 🇻🇦 837 107 393ms 7 Nov 2025 440th marcin7Cd 836 73 11ms 2 Sep 2019 440th b-jam 836 73 10ms 6 Dec 2019 440th inventshah 836 73 10ms 8 Apr 2021 440th MatthiasDurivet 836 73 11ms 21 Nov 2021 440th OllieBoyne 🇬🇧 836 73 10ms 17 Apr 2022 440th TobyBoyne 🇬🇧 836 73 9ms 18 Apr 2022 440th betaveros 836 73 10ms 31 Dec 2022 440th zacjl 836 73 9ms 19 Apr 2023 440th souta-1326 836 73 9ms 26 Mar 2025 440th ryyyn 🇺🇸 836 73 9ms 22 Jul 2025 450th Steffan153 🇫🇮 836 98 6ms 4 May 2024 451st justinkwork 833 57 229ms 28 Jul 2020 451st purplemonkeymad 833 57 261ms 4 Nov 2023 451st Shanethegamer 🇺🇸 833 57 244ms 29 Oct 2024 454th GrayJoKing 🇦🇺 833 107 27ms 17 Jan 2023 455th ibeucaly 833 138 276ms 26 Nov 2021 456th michaelbaudino 832 65 43ms 18 Oct 2020 456th anter69 🇭🇺 832 65 39ms 3 Aug 2021 456th badboj40 832 65 38ms 14 Feb 2023 456th dokutan 832 65 40ms 30 Apr 2024 456th kroolp 🇵🇱 832 65 38ms 14 Jul 2024 461st inventshah 832 81 2ms 11 Sep 2022 462nd MeWhenI 🇻🇦 832 87 4,051ms 24 Oct 2024 463rd anter69 🇭🇺 831 65 925ms 13 Feb 2024 464th hansdude 831 86 114ms 25 Sep 2020 464th Shanethegamer 🇺🇸 831 86 117ms 22 Jan 2024 466th somebody1234 830 82 9ms 15 Dec 2018 466th PatrickStephansen 🇿🇦 830 82 8ms 18 Sep 2020 466th NewDefectus 🇮🇱 830 82 8ms 10 Feb 2021 466th AbhayAravinda 830 82 9ms 1 May 2021 466th heypwesto 🇳🇿 830 82 9ms 9 May 2021 466th janbehrens 🇩🇪 830 82 8ms 30 Jul 2021 466th Natanaelel 🇸🇪 830 82 9ms 8 Oct 2021 466th MeWhenI 🇻🇦 830 82 9ms 12 Nov 2022 466th Maznek 830 82 9ms 16 Nov 2022 466th tayloia 🇬🇧 830 82 9ms 13 Jan 2023 466th emgordon154 830 82 9ms 21 Aug 2024 466th Shanethegamer 🇺🇸 830 82 8ms 29 Oct 2024 466th Andrey-Plotnikov 830 82 9ms 8 Nov 2024 466th DialFrost 🇸🇬 830 82 9ms 13 Nov 2025 480th sean-niemann 🇺🇸 830 100 397ms 13 Jul 2023 First Prev 401–480 of 3,030 Next Last