The Calendar hole will go live in approximately 9 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 401st hansdude 825 86 114ms 25 Sep 2020 401st Shanethegamer 🇺🇸 825 86 117ms 22 Jan 2024 403rd ScottHamper 825 108 447ms 22 days ago 404th ngn 🇧🇬 824 40 2ms 17 Jan 2022 405th inventshah 824 81 2ms 11 Sep 2022 406th MeWhenI 🇻🇦 824 87 4,051ms 24 Oct 2024 407th GrayJoKing 🇦🇺 823 61 357ms 23 Jul 2024 407th duckyluuk 🇳🇱 823 61 338ms 28 Aug 2024 407th KatieLG 🇬🇧 823 61 366ms 6 Oct 2025 410th MeWhenI 🇻🇦 823 91 1ms 12 Nov 2022 411th anter69 🇭🇺 822 65 925ms 13 Feb 2024 412th jonahx 821 39 33ms 3 Dec 2021 412th Natanaelel 🇸🇪 821 39 38ms 22 Nov 2023 414th bricknellj 821 125 1ms 29 Nov 2022 415th MarcMush 🇫🇷 820 61 489ms 13 Jan 2022 416th sisyphus-ppcg 🇦🇺 820 84 4ms 2 Jul 2023 417th kaascevich 820 92 101ms 8 Jul 2025 418th AlexDaniel 🇪🇪 819 47 120ms 10 Mar 2018 418th Attero 🇸🇪 819 47 118ms 9 Apr 2020 420th kkoenig 818 140 266ms 8 Sep 2025 421st vezzick 817 65 9ms 8 Mar 2021 421st MichaelMBradley 🇨🇦 817 65 15ms 10 Apr 2022 421st neel11235813 817 65 11ms 31 Dec 2022 421st keelimeguy 🇺🇸 817 65 11ms 6 Nov 2023 421st Yewzir 🇧🇪 817 65 11ms 29 Feb 2024 421st snoozingnewt 🇨🇦 817 65 9ms 16 days ago 427th dmrichwa 🇺🇸 817 83 8ms 19 Mar 2022 427th moikaturns 🇬🇧 817 83 8ms 2 Sep 2022 427th makinde 817 83 8ms 7 Nov 2022 427th zakariamouhid 817 83 9ms 1 May 2023 427th iliazeus 817 83 9ms 15 Feb 2024 427th lukegustafson 🇺🇸 817 83 9ms 7 Aug 2024 433rd Awsute 816 87 117ms 22 Mar 2022 434th Waffle3z 816 93 265ms 5 Feb 2021 435th btjones0 816 102 147ms 29 Dec 2020 435th xDavidL 816 102 126ms 6 May 2021 435th Ignition 🇬🇧 816 102 140ms 12 Oct 2023 438th sean-niemann 🇺🇸 815 73 2ms 13 Jul 2023 439th MeWhenI 🇻🇦 814 82 2ms 9 Sep 2022 440th Steffan153 🇫🇮 813 71 78ms 24 Oct 2023 441st JDiLenarda 🇫🇷 813 87 1,277ms 7 Nov 2020 441st MeWhenI 🇻🇦 813 87 1,237ms 18 Jun 2024 443rd saito-ta 🇯🇵 812 32 53ms 3 Oct 2022 443rd betaveros 812 32 56ms 3 Jan 2023 443rd ovs-code 🇩🇪 812 32 42ms 16 May 2024 446th juliansiebert 🇩🇪 812 58 228ms 25 Jul 2022 446th Arnaud-beep 🇫🇷 812 58 223ms 23 Sep 2022 448th emgordon154 812 161 455ms 30 May 2025 449th ovs-code 🇩🇪 811 107 523ms 6 Mar 2022 450th olivermrose 🇺🇸 810 56 36ms 7 Oct 2021 450th SirBogman 🇺🇸 810 56 51ms 15 Jan 2025 452nd emplv 🇱🇻 810 85 4ms 23 Nov 2022 453rd Yax42 🇫🇷 810 102 372ms 29 Jan 2025 454th nwellnhof 🇩🇪 810 110 437ms 25 Sep 2025 454th DialFrost 🇸🇬 810 110 451ms 18 Nov 2025 456th obarakon 807 84 8ms 19 Dec 2018 456th dylanarmstrong 807 84 8ms 26 Jan 2024 456th two-bad 🇬🇧 807 84 9ms 15 Feb 2024 456th alexsave 807 84 9ms 31 Aug 2024 456th albanian-laundromat 807 84 9ms 20 days ago 461st janAkali 🇷🇺 807 94 268ms 17 May 2025 462nd Shanethegamer 🇺🇸 807 162 502ms 22 Jan 2025 463rd boxjelly 806 88 117ms 26 Dec 2020 464th albanian-laundromat 806 142 255ms 18 days ago 465th labster 805 58 3ms 24 Feb 2018 466th ageneric 805 66 10ms 21 Sep 2020 466th Irratix 🇳🇱 805 66 11ms 7 May 2022 466th btjones0 805 66 11ms 15 Jul 2022 466th adamnielson42 🇺🇸 805 66 9ms 25 Apr 2023 466th FlorianCassayre 🇫🇷 805 66 12ms 18 Sep 2023 471st aditsu 805 89 3,838ms 12 Aug 2025 472nd lifthrasiir 🇰🇷 804 41 2ms 29 Nov 2024 473rd primo-ppcg 🇹🇭 804 74 2ms 8 Nov 2022 473rd retrohun 804 74 2ms 22 Aug 2025 475th primo-ppcg 🇹🇭 804 97 74ms 19 Sep 2023 476th orthoplex 🇨🇽 804 143 2ms 25 Jun 2023 477th janbehrens 🇩🇪 803 108 486ms 24 Mar 2022 478th annaproxy 802 86 8ms 22 Jun 2023 479th namelessiw 802 103 363ms 2 Jul 2024 480th bizy-coder 802 128 2ms 10 Jan 2024 First Prev 401–480 of 3,010 Next Last