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 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 875th itserasmus 740 92 8ms 25 Jan 2024 875th CaedenHarper 🇨🇦 740 92 9ms 24 Aug 2025 875th Lv0Sys 🇵🇱 740 92 9ms 18 days ago 884th GulgDev 739 102 1ms 22 Mar 2023 885th CLOStrophobic 🇮🇹 738 94 5ms 31 Jan 2025 886th emgordon154 738 111 8ms 12 Dec 2024 887th flawr 737 97 121ms 22 Feb 2019 887th exodrifter 🇺🇸 737 97 114ms 4 Nov 2022 889th NewDefectus 🇮🇱 737 100 2ms 22 Dec 2020 889th Irratix 🇳🇱 737 100 2ms 21 Dec 2021 889th Alex-x90 🇺🇸 737 100 2ms 24 Nov 2022 892nd snoozingnewt 🇨🇦 737 114 102ms 3 hours ago 893rd MeWhenI 🇻🇦 736 105 3ms 14 Jul 2023 893rd madeforlosers 736 105 39ms 13 Dec 2023 895th MeWhenI 🇻🇦 735 80 382ms 17 Jan 2024 896th lmolteno 735 83 10ms 27 Mar 2021 896th jfallon1997 735 83 11ms 6 Sep 2022 896th QuincyNash 🇺🇸 735 83 9ms 6 Dec 2022 896th smilesformiles3 735 83 9ms 12 Jun 2025 900th revlayle 🇺🇸 734 113 372ms 21 Nov 2021 901st abel465 🇳🇿 734 114 154ms 7 May 2021 902nd RedzGoose 🇦🇺 733 92 98ms 3 Oct 2024 903rd dsntzn 🇸🇰 732 93 8ms 10 Aug 2020 903rd taimanh229 732 93 9ms 30 Dec 2020 903rd Yewzir 🇧🇪 732 93 9ms 17 Apr 2023 903rd olleicua 🇺🇸 732 93 9ms 20 Jan 2024 903rd audigamer 732 93 8ms 19 Oct 2025 908th not-optikk 🇺🇸 732 103 1ms 16 Oct 2020 909th Seek64 🇩🇪 732 141 1ms 1 Oct 2024 910th Natanaelel 🇸🇪 731 46 2ms 20 Jul 2023 911th JoeBigToe 731 65 277ms 6 Jun 2020 912th LostSyntax21 🇬🇧 731 74 33ms 10 Sep 2024 913th UpwardProcess 730 95 4ms 13 Oct 2019 913th marcin7Cd 730 95 5ms 12 Feb 2021 913th GrayJoKing 🇦🇺 730 95 4ms 22 Nov 2022 916th primo-ppcg 🇹🇭 730 165 1,703ms 9 Jun 2024 917th Shanethegamer 🇺🇸 729 98 1,302ms 18 Jun 2024 918th dokutan 729 105 288ms 27 Apr 2024 919th Shanethegamer 🇺🇸 729 107 73ms 15 Feb 2025 920th Gaddy 🇫🇷 728 114 402ms 9 May 2022 920th Romain-1 🇫🇷 728 114 393ms 9 May 2022 922nd wellsie1116 728 115 142ms 14 Dec 2021 923rd frankgraziano 728 247 11ms 9 days ago 924th MeWhenI 🇻🇦 727 85 1ms 13 Oct 2023 925th angel-p57 🇯🇵 727 142 1ms 27 Nov 2023 926th bbakersmith 726 65 2ms 13 Jul 2021 926th armin-k1 726 65 2ms 10 Sep 2021 928th Secozzi 726 84 10ms 21 Mar 2021 928th jjbvtk 726 84 10ms 7 Sep 2021 928th CedricGebistorf 726 84 9ms 23 Feb 2022 928th MichalMarsalek 🇨🇿 726 84 13ms 8 Mar 2022 928th slerpyyy 🇩🇪 726 84 9ms 3 Nov 2022 928th thehylian 726 84 9ms 27 Dec 2022 928th TaserTheFox 🇺🇸 726 84 9ms 20 Jan 2023 928th cefqrn 726 84 10ms 16 Jun 2023 928th RedzGoose 🇦🇺 726 84 9ms 3 Oct 2024 928th qpwoeirut 726 84 10ms 29 Aug 2025 938th dokutan 725 93 2ms 26 Jul 2024 939th EnigmaticError 725 104 1ms 27 Jan 2024 940th Herbert00709 🇵🇱 725 129 58ms 20 Apr 2024 941st emgordon154 725 166 1,697ms 26 Mar 2025 942nd user189032 724 94 8ms 29 May 2019 942nd cywong-amino 🇭🇰 724 94 9ms 7 Oct 2020 942nd sebipopa 🇷🇴 724 94 8ms 16 Sep 2022 942nd stefangabos 🇷🇴 724 94 9ms 16 Sep 2022 942nd 823126 724 94 9ms 15 Nov 2024 942nd a6166231 🇨🇳 724 94 9ms 15 May 2025 942nd XenThe 🇬🇧 724 94 8ms 14 Jul 2025 949th dokutan 724 100 2,798ms 2 days ago 950th Yewzir 🇧🇪 722 70 509ms 26 Feb 2024 950th Ripick 722 70 284ms 24 Jun 2025 950th Lv0Sys 🇵🇱 722 70 571ms 18 days ago 953rd destofr 722 106 119ms 19 Dec 2022 954th mousetail 🇳🇱 722 116 146ms 19 Jan 2024 955th CaedenHarper 🇨🇦 722 124 449ms 4 Oct 2025 956th 0xddom 721 75 33ms 18 Dec 2019 957th MeWhenI 🇻🇦 721 105 4ms 22 May 2023 957th Andriamanitra 🇫🇮 721 105 3ms 24 Dec 2024 959th SteveL-MSFT 720 66 249ms 6 Jun 2020 960th solmyr2000 720 130 62ms 18 Jun 2022 First Prev 881–960 of 3,027 Next Last