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 chars. 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 Chars Time Submitted 481st ian-h-chamberlain 🇺🇸 801 104 136ms 3 Aug 2022 482nd MeWhenI 🇻🇦 801 143 298ms 8 Feb 2023 482nd stefangimmillaro 801 143 293ms 14 Sep 2023 484th Laksen 🇩🇰 800 122 27ms 9 Jul 2021 485th matt9ucci 798 59 222ms 14 Jun 2020 486th neel11235813 798 85 8ms 26 Mar 2024 486th voytxt 🇨🇿 798 85 9ms 27 Jan 2025 488th Shanethegamer 🇺🇸 797 63 365ms 16 Jan 2024 488th emgordon154 797 63 442ms 12 Apr 2025 490th guliyevemil1 🇦🇿 797 89 115ms 17 Apr 2020 490th annaproxy 797 89 120ms 17 Aug 2022 492nd DialFrost 🇸🇬 797 164 460ms 7 Mar 2025 493rd han-yan 796 57 34ms 12 Dec 2020 493rd jaredcrystal 🇺🇸 796 57 35ms 14 Dec 2020 493rd simonista 796 57 39ms 15 Dec 2020 493rd roor0 796 57 39ms 18 Dec 2020 493rd GrayJoKing 🇦🇺 796 57 34ms 18 Dec 2020 493rd OhmNomNom 796 57 38ms 20 Oct 2022 493rd Natanaelel 🇸🇪 796 57 42ms 22 Nov 2023 493rd ovs-code 🇩🇪 796 57 54ms 8 Jul 2024 501st m-tkach 🇺🇦 796 111 26ms 6 May 2025 502nd EvilFonti 796 112 355ms 6 days ago 503rd GrayJoKing 🇦🇺 796 129 2ms 21 Jul 2020 504th rucin93 🇵🇱 795 71 123ms 27 Aug 2024 505th MeWhenI 🇻🇦 795 84 100ms 15 Oct 2022 506th dloscutoff 794 63 382ms 27 Nov 2018 507th clockworknazo 794 75 2ms 9 Nov 2022 508th SirBogman 🇺🇸 794 77 39ms 2 Jul 2023 509th MeWhenI 🇻🇦 794 95 94ms 25 Feb 2025 510th janbehrens 🇩🇪 794 104 382ms 21 Nov 2021 511th annaproxy 793 67 9ms 31 Oct 2021 511th Bonjour27891 🇻🇳 793 67 11ms 15 Jul 2022 511th elgan65536 793 67 12ms 31 Mar 2024 511th 4atj 793 67 9ms 7 May 2025 515th clockworknazo 793 87 2ms 30 Jul 2023 516th edsrzf 🇳🇿 792 87 4ms 17 Nov 2025 517th MeWhenI 🇻🇦 791 59 3ms 15 Apr 2023 517th Shanethegamer 🇺🇸 791 59 3ms 29 Oct 2024 519th saramaebee 789 86 8ms 15 Oct 2018 519th joseprio 789 86 9ms 13 Aug 2019 519th davishyer 789 86 8ms 9 Dec 2020 519th jeffredodd 789 86 8ms 9 Dec 2020 519th biocommando 🇫🇮 789 86 9ms 26 Dec 2022 519th AlephSquirrel 789 86 8ms 15 Feb 2023 519th trinityy-7 789 86 8ms 19 Oct 2023 519th Yax42 🇫🇷 789 86 9ms 10 Sep 2025 527th albanian-laundromat 789 97 40ms 14 days ago 528th ovs-code 🇩🇪 789 118 433ms 3 Jun 2024 529th GolfingSuccess 🇬🇷 788 33 49ms 9 Nov 2023 530th ovs-code 🇩🇪 787 99 72ms 12 Sep 2024 531st tomtheisen 🇺🇸 787 105 382ms 14 Dec 2022 532nd bluebear94 786 49 109ms 2 Feb 2018 533rd dokutan 786 68 818ms 30 Apr 2024 533rd FlyingPenguin223 786 68 947ms 30 Oct 2024 535th klixel 🇨🇦 786 106 143ms 4 Jun 2023 535th ovs-code 🇩🇪 786 106 142ms 28 Jun 2023 535th stefangimmillaro 786 106 146ms 20 Oct 2023 538th leebar77 785 60 270ms 18 Aug 2021 539th neel11235813 785 64 357ms 14 Mar 2024 539th Babafaba 785 64 367ms 17 Nov 2025 541st DialFrost 🇸🇬 785 106 97ms 14 days ago 542nd LucaArgentiUCF 🇮🇹 784 78 41ms 5 Feb 2021 543rd MahlerFive 🇨🇦 784 146 299ms 24 Apr 2020 544th Meri-Dax 783 88 4ms 1 Jun 2022 545th maths22 🇺🇸 782 58 41ms 10 Dec 2020 545th jstanley0 782 58 35ms 12 Dec 2020 545th jbbarth 🇫🇷 782 58 36ms 9 Aug 2021 548th Yewzir 🇧🇪 782 114 461ms 2 Oct 2025 548th stefangimmillaro 782 114 398ms 6 Oct 2025 550th m-tkach 🇺🇦 782 147 2ms 15 Jan 2025 551st Yewzir 🇧🇪 782 153 1,756ms 23 May 2024 552nd janbehrens 🇩🇪 781 64 253ms 1 Nov 2021 552nd MeWhenI 🇻🇦 781 64 348ms 14 Feb 2023 554th jakobkordez 🇸🇮 781 68 11ms 30 Oct 2022 554th 2011-Chan-Ethan 781 68 9ms 20 Jul 2023 554th dokutan 781 68 9ms 20 Jun 2024 557th emgordon154 781 96 4ms 28 Dec 2024 558th christopherwk210 780 87 8ms 15 Oct 2018 558th omurakazuaki 🇯🇵 780 87 9ms 21 Sep 2019 558th jamesfer 780 87 8ms 4 Aug 2021 First Prev 481–560 of 3,007 Next Last