The Calendar hole will go live in approximately 11 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 559th jamesfer 780 87 8ms 4 Aug 2021 559th LukeBridges 🇬🇧 780 87 9ms 14 Feb 2024 559th williamistGitHub 780 87 9ms 9 Nov 2024 559th Salutations45 780 87 8ms 26 Dec 2024 565th prplz 🇦🇺 780 125 25ms 2 May 2022 566th stefangimmillaro 779 92 3,725ms 29 Oct 2024 567th heypwesto 🇳🇿 779 106 371ms 21 Nov 2021 567th postie77 779 106 364ms 21 Dec 2022 569th choroba 778 60 2ms 21 Jan 2018 569th daedals 778 60 3ms 3 Jul 2019 569th heypwesto 🇳🇿 778 60 2ms 4 Jun 2021 569th Natanaelel 🇸🇪 778 60 2ms 2 May 2023 573rd Skepfyr 778 107 142ms 4 Jan 2020 573rd frozolotl 778 107 139ms 9 Jan 2020 573rd detrumi 🇳🇱 778 107 149ms 22 Oct 2020 576th dokutan 777 86 104ms 8 Aug 2024 577th DialFrost 🇸🇬 775 72 3ms 26 Sep 2024 578th GrayJoKing 🇦🇺 775 89 9ms 4 Aug 2024 579th GrayJoKing 🇦🇺 774 61 2ms 26 May 2021 580th stefangimmillaro 774 79 38ms 3 Oct 2022 581st snoozingnewt 🇨🇦 773 65 348ms 14 days ago 582nd ScriptingPro 772 61 232ms 23 Nov 2020 582nd danubie 772 61 219ms 24 Dec 2021 582nd MaxCastella 🇫🇷 772 61 240ms 19 Aug 2022 582nd IISResetMe 772 61 271ms 24 Feb 2024 586th GalladeGuy 🇺🇸 772 97 1ms 2 Aug 2018 586th cafehaine 🇫🇷 772 97 1ms 4 Aug 2018 586th jotslo 🇬🇧 772 97 2ms 5 Feb 2020 586th dokutan 772 97 1ms 5 Feb 2021 586th SamHoque 772 97 1ms 7 May 2021 586th sapphyrus 772 97 2ms 13 May 2021 586th StarmaQ 772 97 1ms 10 Sep 2021 586th mtirado1 772 97 1ms 15 Aug 2022 586th adriweb 🇫🇷 772 97 1ms 4 Aug 2023 586th FlyingPenguin223 772 97 1ms 30 Oct 2024 586th frosster 772 97 2ms 13 Mar 2025 586th Blendi-Goose 772 97 1ms 16 Nov 2025 586th kTheLemon 772 97 1ms 16 Nov 2025 599th DialFrost 🇸🇬 772 155 1,674ms 13 Sep 2025 600th elisherer 🇮🇱 771 88 9ms 13 Apr 2019 600th stefangimmillaro 771 88 9ms 24 Jul 2023 602nd user189032 771 92 114ms 29 May 2019 602nd arjanadriaanse 🇳🇱 771 92 117ms 10 Feb 2022 604th MeWhenI 🇻🇦 770 69 11ms 22 Oct 2021 604th scpchicken 🇵🇼 770 69 11ms 8 Mar 2022 604th NerdyMcNerd42 770 69 10ms 26 Oct 2022 604th Alex-x90 🇺🇸 770 69 10ms 20 Jan 2023 604th jeff-at-tamer-dot-codes 🇺🇸 770 69 12ms 6 Jun 2023 604th ndren 770 69 12ms 4 Jan 2024 604th HumanoidCPU 770 69 10ms 13 May 2024 604th tri1212 🇻🇳 770 69 9ms 30 Jun 2024 604th hiichbindermax 770 69 10ms 11 Sep 2024 604th fourth-bit 770 69 10ms 23 Sep 2024 604th JunkIce 770 69 10ms 13 Feb 2025 604th albanian-laundromat 770 69 9ms 1 Apr 2025 604th TheZwierzLF 🇵🇱 770 69 10ms 19 May 2025 604th luuumine 🇫🇷 770 69 9ms 16 Oct 2025 618th Irratix 🇳🇱 770 121 443ms 3 Jan 2022 618th Alex-x90 🇺🇸 770 121 494ms 24 Nov 2022 620th prplz 🇦🇺 769 59 43ms 8 Dec 2019 620th lynn 769 59 38ms 25 May 2022 620th anter69 🇭🇺 769 59 35ms 25 Jan 2023 620th stefangimmillaro 769 59 36ms 3 Feb 2023 620th D-MOVE 🇵🇭 769 59 48ms 14 days ago 620th blaztoma 🇱🇹 769 59 34ms 8 hours ago 626th Shanethegamer 🇺🇸 769 65 422ms 22 Jan 2024 627th Shanethegamer 🇺🇸 769 115 24ms 29 Oct 2024 628th lukechampine 768 149 307ms 19 Apr 2020 628th 0xjac 🇨🇭 768 149 271ms 9 Jun 2025 628th CaedenHarper 🇨🇦 768 149 266ms 12 Nov 2025 631st MeWhenI 🇻🇦 767 156 1,718ms 25 Feb 2025 632nd bstrat 766 43 3ms 25 Sep 2024 633rd dokutan 766 100 39ms 9 Jun 2024 634th sisyphus-ppcg 🇦🇺 765 34 57ms 14 Aug 2022 634th plcc0 765 34 53ms 3 Mar 2025 636th janbehrens 🇩🇪 765 61 2ms 7 Sep 2020 637th Andriamanitra 🇫🇮 764 70 879ms 24 Dec 2024 638th primo-ppcg 🇹🇭 764 96 2ms 14 Mar 2019 639th csmit195 764 98 1ms 1 Mar 2021 640th gschlect 762 89 8ms 21 Dec 2018 First Prev 561–640 of 3,010 Next Last