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 638th uttumuttu 🇫🇮 762 89 9ms 4 Jan 2022 638th Ephellon 762 89 9ms 16 Dec 2023 643rd dokutan 760 99 95ms 3 Jul 2024 644th SQLDBAWithABeard 759 62 232ms 3 Jun 2020 644th jhoneill 759 62 233ms 5 Jun 2020 644th shanewh1te 759 62 233ms 27 Jul 2020 644th tofuweasel 759 62 227ms 9 Jun 2022 648th lynn 759 70 9ms 19 Mar 2021 648th xnor-gate 759 70 29ms 29 Mar 2021 648th Kloppermand 🇩🇰 759 70 13ms 1 Dec 2021 648th gitbedd 🇬🇧 759 70 13ms 10 Jan 2022 648th GeneralTwi 759 70 10ms 8 Apr 2022 648th QuincyNash 🇺🇸 759 70 9ms 1 Dec 2022 648th CheeseCake628 🇳🇴 759 70 9ms 23 Jan 2023 648th thisishowmymindworks 🇳🇴 759 70 11ms 31 May 2023 648th funnsam 🇭🇰 759 70 11ms 11 Jun 2023 648th CornerMercury 🇬🇧 759 70 9ms 14 Feb 2025 648th robin-scragg 759 70 9ms 8 Jun 2025 648th fkantelberg 759 70 9ms 15 Jul 2025 660th Yewzir 🇧🇪 758 88 2ms 5 Jul 2023 661st dokutan 758 97 7ms 1 Jul 2024 662nd dokutan 758 99 3ms 17 Apr 2024 663rd iznax 758 109 375ms 21 Nov 2021 663rd edwinvanschaick 758 109 387ms 25 Apr 2022 663rd MeWhenI 🇻🇦 758 109 356ms 27 Oct 2022 666th Yewzir 🇧🇪 758 151 303ms 3 Jan 2024 667th janbehrens 🇩🇪 757 123 75ms 29 Jul 2022 668th TFeld00 🇩🇰 756 60 41ms 7 Jun 2019 668th Irratix 🇳🇱 756 60 47ms 27 Jun 2022 668th jared-hughes 756 60 43ms 12 Sep 2022 668th Shanethegamer 🇺🇸 756 60 37ms 26 Mar 2024 668th dokutan 756 60 50ms 1 May 2024 673rd labster 755 51 114ms 20 Feb 2018 673rd yokasuretsu 755 51 122ms 27 Apr 2018 673rd scpchicken 🇵🇼 755 51 125ms 28 Feb 2023 676th primo-ppcg 🇹🇭 755 91 6ms 22 Jan 2023 677th sean-niemann 🇺🇸 755 100 102ms 7 Aug 2025 678th roguh 🇬🇹 755 117 27ms 14 Jan 2024 679th Steffan153 🇫🇮 755 136 1ms 23 Jul 2024 680th cywong-amino 🇭🇰 754 90 9ms 24 Jun 2020 680th revlayle 🇺🇸 754 90 8ms 12 Feb 2021 680th didion0 🇺🇸 754 90 8ms 29 Apr 2021 680th Yewzir 🇧🇪 754 90 9ms 17 Apr 2023 684th msbranicky 753 152 292ms 31 Aug 2023 684th targrik 753 152 262ms 10 Jul 2025 686th AlephSquirrel 752 62 3ms 10 Dec 2022 687th stefangimmillaro 751 89 102ms 17 Oct 2022 687th Yewzir 🇧🇪 751 89 101ms 30 Apr 2023 689th MeWhenI 🇻🇦 751 102 38ms 28 Jun 2022 690th MeWhenI 🇻🇦 750 62 3ms 13 Aug 2024 691st lynn 750 92 8ms 15 Nov 2021 692nd verticallity 750 111 156ms 6 Apr 2022 693rd rak1507 🇬🇧 749 44 2ms 25 Feb 2022 693rd DialFrost 🇸🇬 749 44 3ms 6 Feb 2024 695th ovs-code 🇩🇪 749 98 1ms 25 Sep 2023 696th GoateSo 749 100 1ms 18 Oct 2020 697th jared-hughes 749 119 566ms 24 Sep 2025 697th albanian-laundromat 749 119 468ms 16 days ago 699th Constructor7 748 71 9ms 24 Feb 2018 699th knutae 🇳🇴 748 71 13ms 16 Jul 2021 699th cubed-guy 748 71 9ms 3 Apr 2022 699th bricknellj 748 71 10ms 29 Dec 2022 699th Rubiksmath 748 71 10ms 5 Sep 2023 699th FortuiteMan 🇫🇷 748 71 11ms 10 Sep 2023 699th bob-th 748 71 10ms 11 Jan 2024 699th SB-945 748 71 10ms 17 Apr 2024 699th sisyphus-ppcg 🇦🇺 748 71 9ms 9 Jul 2024 699th wh3n3v3r 🇨🇿 748 71 9ms 11 Nov 2024 699th 5cw 🇺🇸 748 71 10ms 6 Aug 2025 699th CommandLeo 🇮🇹 748 71 10ms 13 Nov 2025 699th 09cf 748 71 10ms 9 days ago 699th bizy-coder 748 71 10ms 8 days ago 713th KevinMarquette 🇺🇸 747 63 247ms 5 Jun 2020 713th Yewzir 🇧🇪 747 63 230ms 9 Apr 2024 715th dokutan 747 72 662ms 30 Aug 2025 716th strout 747 95 118ms 16 Aug 2022 717th retrohun 746 67 1ms 22 Aug 2025 718th SirBogman 🇺🇸 745 43 35ms 28 Aug 2022 719th alexkunin 745 91 9ms 6 Jul 2019 719th Whalefreezer 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