The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
ASCII Table 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 561st albanian-laundromat 778 116 735ms 28 Sep 2025 562nd DialFrost 🇸🇬 778 132 1ms 14 Dec 2023 563rd ovs-code 🇩🇪 778 149 9ms 28 Mar 2022 563rd stefangimmillaro 778 149 8ms 2 Oct 2022 563rd coreynash 778 149 9ms 2 Dec 2022 566th shinh 777 97 35ms 28 Jun 2022 567th Ripick 777 143 121ms 4 Feb 2023 568th memiamp 🇬🇧 777 157 416ms 19 Oct 2022 569th SirBogman 🇺🇸 776 76 49ms 29 Oct 2022 570th MeWhenI 🇻🇦 776 156 494ms 17 Apr 2024 571st dokutan 776 167 440ms 24 Sep 2025 572nd annaproxy 775 155 69ms 3 Jan 2023 573rd J00LZ 775 174 122ms 5 May 2022 573rd CSRessel 775 174 128ms 13 Sep 2025 575th Yewzir 🇧🇪 775 186 289ms 7 Feb 2024 576th SirBogman 🇺🇸 775 328 10ms 27 Mar 2022 577th JPRuskin 🇬🇧 774 97 249ms 1 May 2024 577th HeyItsGilbert 774 97 288ms 1 May 2024 577th IISResetMe 774 97 255ms 8 Apr 2025 580th StefanHabel 🇨🇦 773 111 10ms 20 Nov 2022 580th branchmispredictor 773 111 9ms 14 Mar 2025 582nd Shanethegamer 🇺🇸 773 150 9ms 26 Mar 2022 582nd jared-hughes 773 150 9ms 27 Mar 2022 582nd voytxt 🇨🇿 773 150 9ms 4 Jun 2023 582nd lifthrasiir 🇰🇷 773 150 9ms 23 Nov 2024 586th Yewzir 🇧🇪 772 117 764ms 16 Nov 2025 587th annaproxy 772 133 1ms 4 Jun 2023 587th kkoenig 772 133 1ms 30 Dec 2023 589th LS2021 772 158 390ms 29 Nov 2023 589th TRexOnGit 772 158 387ms 30 Jan 2024 591st emgordon154 772 206 546ms 29 May 2025 592nd Shanethegamer 🇺🇸 771 108 435ms 18 Jan 2024 593rd Shanethegamer 🇺🇸 771 168 455ms 25 Sep 2025 594th IanUtley 771 184 1ms 2 Jul 2024 595th Shanethegamer 🇺🇸 770 130 3,736ms 28 Oct 2024 596th Phil-RGOMEGA 770 152 1ms 4 May 2023 597th martin-viggiano 770 187 256ms 22 Jun 2022 597th MCausc78 🇺🇦 770 187 316ms 30 Dec 2022 599th Andriamanitra 🇫🇮 769 98 33ms 24 Sep 2022 599th DialFrost 🇸🇬 769 98 37ms 14 Jun 2024 601st dokutan 769 130 2ms 28 Apr 2025 602nd lynn 769 215 2ms 16 May 2022 603rd strout 768 149 125ms 21 Aug 2022 604th biocommando 🇫🇮 768 151 9ms 21 Aug 2023 605th Emutis 🇱🇹 767 112 9ms 5 Nov 2025 606th madex 🇩🇪 767 134 2ms 28 Mar 2022 606th tsunderu 🇯🇵 767 134 1ms 25 Feb 2023 608th MeWhenI 🇻🇦 767 155 3ms 28 Jun 2023 609th DialFrost 🇸🇬 764 91 2ms 10 Feb 2024 610th commandblockguy 🇺🇸 764 109 492ms 1 Sep 2025 611th uttumuttu 🇫🇮 763 152 9ms 8 Apr 2022 611th olleicua 🇺🇸 763 152 9ms 6 Feb 2024 613th dokutan 763 169 2ms 5 Aug 2024 614th DialFrost 🇸🇬 762 144 5ms 18 Feb 2025 615th scpchicken 🇵🇼 761 99 37ms 1 Apr 2022 615th olivermrose 🇺🇸 761 99 44ms 14 Apr 2022 615th jared-hughes 761 99 36ms 12 Sep 2022 618th SteveHales 761 124 80ms 15 Oct 2025 619th adriweb 🇫🇷 761 135 2ms 19 Aug 2024 620th trvswgnr 761 177 122ms 29 Apr 2023 621st SirFireball3521 760 113 11ms 27 Jan 2023 621st mathisfun271 760 113 9ms 15 Dec 2023 621st fourth-bit 760 113 9ms 4 Jul 2024 621st Bulmenisaurus 760 113 9ms 28 Oct 2024 621st ahmetdemirag 🇨🇾 760 113 10ms 12 Mar 2025 621st albanian-laundromat 760 113 9ms 13 Jul 2025 621st GodlyProgrammer1 760 113 9ms 21 days ago 628th annaproxy 758 151 115ms 30 Mar 2022 629th two-bad 🇬🇧 758 153 8ms 6 Feb 2024 629th smclaughlin-cf 758 153 9ms 18 Mar 2025 631st SirBogman 🇺🇸 757 94 134ms 26 Mar 2022 632nd SirBogman 🇺🇸 757 110 680ms 20 Jan 2024 633rd rucin93 🇵🇱 757 171 455ms 24 Sep 2025 633rd h3ra993huskp 🇯🇵 757 171 420ms 18 days ago 635th GolfingSuccess 🇬🇷 756 78 44ms 22 Jul 2022 636th Shanethegamer 🇺🇸 756 159 444ms 21 Mar 2023 637th cmayer777 755 136 1ms 14 Oct 2022 638th Shanethegamer 🇺🇸 754 191 263ms 7 Feb 2024 639th Shanethegamer 🇺🇸 753 100 45ms 21 Mar 2023 639th mikiymk 753 100 40ms 21 Sep 2023 First Prev 561–640 of 2,238 Next Last