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 558th LukeBridges 🇬🇧 780 87 9ms 14 Feb 2024 558th williamistGitHub 780 87 9ms 9 Nov 2024 558th Salutations45 780 87 8ms 26 Dec 2024 564th prplz 🇦🇺 780 125 25ms 2 May 2022 565th stefangimmillaro 779 92 3,725ms 29 Oct 2024 566th heypwesto 🇳🇿 779 106 371ms 21 Nov 2021 566th postie77 779 106 364ms 21 Dec 2022 568th Skepfyr 778 107 142ms 4 Jan 2020 568th frozolotl 778 107 139ms 9 Jan 2020 568th detrumi 🇳🇱 778 107 149ms 22 Oct 2020 571st choroba 777 60 2ms 21 Jan 2018 571st daedals 777 60 3ms 3 Jul 2019 571st heypwesto 🇳🇿 777 60 2ms 4 Jun 2021 571st Natanaelel 🇸🇪 777 60 2ms 2 May 2023 575th dokutan 777 86 104ms 8 Aug 2024 576th DialFrost 🇸🇬 775 72 3ms 26 Sep 2024 577th GrayJoKing 🇦🇺 775 89 9ms 4 Aug 2024 578th GrayJoKing 🇦🇺 774 61 2ms 26 May 2021 579th stefangimmillaro 774 79 38ms 3 Oct 2022 580th snoozingnewt 🇨🇦 773 65 348ms 12 days ago 581st ScriptingPro 772 61 232ms 23 Nov 2020 581st danubie 772 61 219ms 24 Dec 2021 581st MaxCastella 🇫🇷 772 61 240ms 19 Aug 2022 581st IISResetMe 772 61 271ms 24 Feb 2024 585th GalladeGuy 🇺🇸 772 97 1ms 2 Aug 2018 585th cafehaine 🇫🇷 772 97 1ms 4 Aug 2018 585th jotslo 🇬🇧 772 97 2ms 5 Feb 2020 585th dokutan 772 97 1ms 5 Feb 2021 585th SamHoque 772 97 1ms 7 May 2021 585th sapphyrus 772 97 2ms 13 May 2021 585th StarmaQ 772 97 1ms 10 Sep 2021 585th mtirado1 772 97 1ms 15 Aug 2022 585th adriweb 🇫🇷 772 97 1ms 4 Aug 2023 585th FlyingPenguin223 772 97 1ms 30 Oct 2024 585th frosster 772 97 2ms 13 Mar 2025 585th Blendi-Goose 772 97 1ms 16 Nov 2025 585th kTheLemon 772 97 1ms 16 Nov 2025 598th DialFrost 🇸🇬 772 155 1,674ms 13 Sep 2025 599th elisherer 🇮🇱 771 88 9ms 13 Apr 2019 599th stefangimmillaro 771 88 9ms 24 Jul 2023 601st user189032 771 92 114ms 29 May 2019 601st arjanadriaanse 🇳🇱 771 92 117ms 10 Feb 2022 603rd MeWhenI 🇻🇦 770 69 11ms 22 Oct 2021 603rd scpchicken 🇵🇼 770 69 11ms 8 Mar 2022 603rd NerdyMcNerd42 770 69 10ms 26 Oct 2022 603rd Alex-x90 🇺🇸 770 69 10ms 20 Jan 2023 603rd jeff-at-tamer-dot-codes 🇺🇸 770 69 12ms 6 Jun 2023 603rd ndren 770 69 12ms 4 Jan 2024 603rd HumanoidCPU 770 69 10ms 13 May 2024 603rd tri1212 🇻🇳 770 69 9ms 30 Jun 2024 603rd hiichbindermax 770 69 10ms 11 Sep 2024 603rd fourth-bit 770 69 10ms 23 Sep 2024 603rd JunkIce 770 69 10ms 13 Feb 2025 603rd albanian-laundromat 770 69 9ms 1 Apr 2025 603rd TheZwierzLF 🇵🇱 770 69 10ms 19 May 2025 603rd luuumine 🇫🇷 770 69 9ms 16 Oct 2025 617th Irratix 🇳🇱 770 121 443ms 3 Jan 2022 617th Alex-x90 🇺🇸 770 121 494ms 24 Nov 2022 619th prplz 🇦🇺 769 59 43ms 8 Dec 2019 619th lynn 769 59 38ms 25 May 2022 619th anter69 🇭🇺 769 59 35ms 25 Jan 2023 619th stefangimmillaro 769 59 36ms 3 Feb 2023 619th D-MOVE 🇵🇭 769 59 48ms 12 days ago 624th Shanethegamer 🇺🇸 769 65 422ms 22 Jan 2024 625th Shanethegamer 🇺🇸 769 115 24ms 29 Oct 2024 626th lukechampine 768 149 307ms 19 Apr 2020 626th 0xjac 🇨🇭 768 149 271ms 9 Jun 2025 626th CaedenHarper 🇨🇦 768 149 266ms 12 Nov 2025 629th MeWhenI 🇻🇦 767 156 1,718ms 25 Feb 2025 630th bstrat 766 43 3ms 25 Sep 2024 631st dokutan 766 100 39ms 9 Jun 2024 632nd sisyphus-ppcg 🇦🇺 765 34 57ms 14 Aug 2022 632nd plcc0 765 34 53ms 3 Mar 2025 634th janbehrens 🇩🇪 765 61 2ms 7 Sep 2020 635th Andriamanitra 🇫🇮 764 70 879ms 24 Dec 2024 636th primo-ppcg 🇹🇭 764 96 2ms 14 Mar 2019 637th csmit195 764 98 1ms 1 Mar 2021 638th gschlect 762 89 8ms 21 Dec 2018 638th Null000 🇳🇿 762 89 9ms 6 May 2021 638th igmcdowell 762 89 9ms 28 Nov 2021 First Prev 561–640 of 3,005 Next Last