The Calendar hole will go live in approximately 10 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 79th Lydxn 🇨🇦 923 51 223ms 12 Aug 2022 79th 5quiwyrm 923 51 222ms 10 Dec 2024 83rd primo-ppcg 🇹🇭 922 58 1,156ms 23 Mar 2021 83rd sisyphus-ppcg 🇦🇺 922 58 916ms 23 Mar 2021 83rd Irratix 🇳🇱 922 58 974ms 20 Apr 2021 83rd MeWhenI 🇻🇦 922 58 883ms 5 Feb 2022 83rd GrayJoKing 🇦🇺 922 58 969ms 25 May 2022 83rd stefangimmillaro 922 58 1,101ms 6 Feb 2023 83rd Steffan153 🇫🇮 922 58 1,090ms 20 Feb 2023 83rd sean-niemann 🇺🇸 922 58 916ms 10 Mar 2025 83rd pardouin 🇫🇷 922 58 913ms 15 Jul 2025 92nd laikoni 922 77 113ms 21 Jan 2019 93rd JayXon 🇺🇸 920 82 100ms 14 Nov 2023 94th GrayJoKing 🇦🇺 917 42 129ms 30 May 2019 94th nwellnhof 🇩🇪 917 42 122ms 25 Jan 2020 94th Steffan153 🇫🇮 917 42 115ms 1 Mar 2023 94th Lydxn 🇨🇦 917 42 143ms 2 Mar 2023 94th sean-niemann 🇺🇸 917 42 108ms 2 Jun 2025 99th ETHproductions 🇺🇸 917 74 8ms 15 Dec 2018 100th Lydxn 🇨🇦 917 80 2ms 24 Sep 2023 101st hallvabo 🇳🇴 916 58 11ms 17 Oct 2020 101st orthoplex 🇨🇽 916 58 11ms 1 Oct 2022 103rd ovs-code 🇩🇪 916 63 105ms 24 Oct 2023 104th Lydxn 🇨🇦 916 65 2ms 13 Jul 2023 105th kg583 🇺🇸 916 75 6ms 17 Nov 2025 106th nwellnhof 🇩🇪 916 125 265ms 24 Sep 2020 106th JayXon 🇺🇸 916 125 278ms 15 Nov 2023 108th Bubbler-4 915 36 2ms 25 Jan 2022 108th KenanSi 915 36 2ms 22 Feb 2022 108th zacjl 915 36 3ms 18 May 2025 111th sisyphus-ppcg 🇦🇺 915 51 3ms 8 Feb 2022 112th JayXon 🇺🇸 915 73 99ms 14 Jul 2023 112th Lydxn 🇨🇦 915 73 99ms 14 Jul 2023 114th Lydxn 🇨🇦 914 73 2ms 15 Jul 2023 114th JayXon 🇺🇸 914 73 2ms 15 Jul 2023 114th sean-niemann 🇺🇸 914 73 2ms 5 Nov 2023 114th Steffan153 🇫🇮 914 73 2ms 19 Aug 2024 114th albanian-laundromat 914 73 3ms 20 days ago 119th Lydxn 🇨🇦 914 83 358ms 15 Aug 2022 120th pardouin 🇫🇷 913 55 348ms 12 Jul 2024 121st marshallward 🇺🇸 913 67 41ms 2 Jan 2024 121st primo-ppcg 🇹🇭 913 67 38ms 14 Jan 2025 123rd DialFrost 🇸🇬 911 59 674ms 29 Aug 2025 123rd edsrzf 🇳🇿 911 59 733ms 17 Nov 2025 123rd albanian-laundromat 911 59 664ms 23 Nov 2025 126th sean-niemann 🇺🇸 911 67 1ms 13 Nov 2025 127th sean-niemann 🇺🇸 910 62 127ms 6 Aug 2024 127th Steffan153 🇫🇮 910 62 118ms 6 Aug 2024 129th prplz 🇦🇺 910 78 116ms 17 Nov 2020 130th Steffan153 🇫🇮 908 76 3ms 27 Oct 2023 130th IanUtley 908 76 12ms 14 Nov 2023 132nd JayXon 🇺🇸 907 72 72ms 24 May 2023 133rd pardouin 🇫🇷 907 79 3,967ms 7 Nov 2024 134th sean-niemann 🇺🇸 907 83 107ms 14 Nov 2023 134th JayXon 🇺🇸 907 83 107ms 14 Nov 2023 136th GrayJoKing 🇦🇺 906 68 5ms 21 Nov 2025 137th sean-niemann 🇺🇸 906 76 4ms 13 Jul 2023 137th Steffan153 🇫🇮 906 76 4ms 8 Aug 2024 139th lynn 906 78 1,258ms 19 Jun 2024 139th JayXon 🇺🇸 906 78 1,229ms 19 Jun 2024 141st JohandeRuiter 🇳🇱 906 81 2ms 14 Jul 2024 142nd bstrautin 905 52 246ms 11 Sep 2020 142nd TimCurwick 🇺🇸 905 52 231ms 30 Nov 2020 144th prplz 🇦🇺 905 92 124ms 14 Sep 2022 145th helbling 🇨🇭 904 75 9ms 26 Feb 2024 146th kg583 🇺🇸 904 83 4ms 13 Nov 2025 147th Lydxn 🇨🇦 904 96 437ms 14 Jul 2023 148th Lydxn 🇨🇦 904 103 421ms 8 Nov 2023 149th MichalMarsalek 🇨🇿 903 84 265ms 8 Mar 2022 149th prplz 🇦🇺 903 84 289ms 17 Apr 2022 149th GrayJoKing 🇦🇺 903 84 283ms 19 Jun 2022 149th primo-ppcg 🇹🇭 903 84 331ms 1 Aug 2023 153rd primo-ppcg 🇹🇭 902 83 2ms 18 Dec 2018 153rd DaCoolOne 902 83 1ms 22 Nov 2019 153rd Attero 🇸🇪 902 83 1ms 30 Mar 2020 153rd Waffle3z 902 83 1ms 18 Oct 2020 153rd DaDerpDuck 902 83 1ms 20 Jan 2021 153rd jared-hughes 902 83 1ms 18 Feb 2022 153rd GrayJoKing 🇦🇺 902 83 1ms 19 Jun 2022 153rd clockworknazo 902 83 1ms 15 Oct 2022 First Prev 81–160 of 3,010 Next Last