The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Intersection 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 769th davecame 589 130 10ms 25 Sep 2024 769th moustave 589 130 10ms 5 Dec 2024 769th eranlambooij 589 130 10ms 18 Apr 2025 769th klixel 🇨🇦 589 130 10ms 11 Jul 2025 769th redweasel 589 130 10ms 24 Jul 2025 769th emneo-dev 589 130 11ms 29 Nov 2025 769th GodlyProgrammer1 589 130 10ms 26 days ago 808th retrohun 589 137 180ms 16 Oct 2020 809th Athe81 589 150 9ms 2 Nov 2020 810th Bubbler-4 588 134 70ms 13 Sep 2023 811th calinous 🇷🇴 588 227 2ms 3 Mar 2023 812th raphaelimahorn 588 247 337ms 21 Nov 2021 813th commandblockguy 🇺🇸 587 119 480ms 1 Sep 2025 814th Shanethegamer 🇺🇸 586 144 81ms 30 Mar 2025 815th bbonenfant 585 131 10ms 21 Nov 2020 815th geofft 585 131 10ms 10 Dec 2020 815th MichaelMBradley 🇨🇦 585 131 9ms 19 Jun 2022 815th b10011 🇫🇮 585 131 9ms 16 Jan 2023 815th starfihs 585 131 10ms 23 Feb 2025 815th dirckvdende 585 131 10ms 11 Jul 2025 815th InigoK 🇺🇸 585 131 10ms 10 Sep 2025 822nd snoozingnewt 🇨🇦 583 194 394ms 5 Oct 2025 823rd cure-honey 🇯🇵 583 207 40ms 9 Oct 2020 824th msbranicky 583 288 249ms 6 Oct 2023 825th CatsAreFluffy 582 152 9ms 17 Jan 2023 826th isaiah0311 581 230 2ms 16 Feb 2023 827th henrytranter 580 132 10ms 9 Oct 2020 827th andre-lameirinhas 🇵🇹 580 132 12ms 11 Oct 2020 827th adoxography 580 132 10ms 23 Jan 2021 827th UBKorkut 580 132 9ms 12 Mar 2021 827th buffalocat 580 132 9ms 3 May 2021 827th pascscha 580 132 10ms 13 May 2021 827th knutae 🇳🇴 580 132 10ms 29 Jun 2021 827th estomagordo 🇳🇱 580 132 9ms 7 Dec 2021 827th amollberg 🇸🇪 580 132 10ms 29 Jan 2022 827th CedricGebistorf 580 132 9ms 6 Mar 2022 827th cooljoseph1 580 132 10ms 6 May 2022 827th abba23 580 132 10ms 27 May 2022 827th nullie 580 132 10ms 8 Jun 2022 827th georgehulme 580 132 9ms 12 Oct 2022 827th astonm 580 132 10ms 15 Nov 2022 827th RDShah 580 132 11ms 23 Nov 2022 827th myleopard 580 132 10ms 23 Dec 2022 827th dranjohn 580 132 10ms 11 Sep 2023 827th RZ781 580 132 10ms 19 Nov 2023 827th dragonshadows07 580 132 12ms 19 Jan 2024 827th AtengChen 580 132 15ms 17 Aug 2024 827th maxgodfrey2004 🇨🇦 580 132 12ms 5 Jan 2025 827th croc54 580 132 10ms 8 Jan 2025 827th CLOStrophobic 🇮🇹 580 132 10ms 8 Feb 2025 827th connor-grady 580 132 11ms 7 May 2025 827th jacekwladzinski 580 132 10ms 5 Oct 2025 827th Lv0Sys 🇵🇱 580 132 10ms 24 days ago 854th emgordon154 580 155 10ms 11 Dec 2024 855th richard-oelze 🇩🇪 578 153 9ms 11 Apr 2021 855th stefangabos 🇷🇴 578 153 10ms 16 Nov 2025 857th m42km 577 121 447ms 16 Jan 2024 857th neel11235813 577 121 451ms 10 Mar 2024 859th Shanethegamer 🇺🇸 577 156 8ms 22 Dec 2023 860th p-vf 🇨🇭 577 252 340ms 21 Nov 2021 861st AGoyet 576 133 10ms 29 Jun 2022 861st galloj 🇨🇿 576 133 10ms 4 Mar 2023 861st jfallon1997 576 133 10ms 9 Apr 2024 861st bknower 576 133 11ms 30 Jun 2025 861st aalec 576 133 10ms 9 Nov 2025 866th snoozingnewt 🇨🇦 576 195 4ms 2 Oct 2025 867th Yewzir 🇧🇪 576 218 3ms 19 Oct 2023 868th iznax 576 232 2ms 7 Oct 2020 869th gigaprofisi 🇺🇸 574 154 9ms 10 Aug 2025 870th roguh 🇬🇹 573 122 460ms 23 Jan 2024 871st Natanaelel 🇸🇪 572 53 34ms 3 Mar 2022 872nd badouralix 572 134 10ms 18 Mar 2021 872nd NicholasSeward 572 134 22ms 9 Sep 2021 872nd quimey 572 134 10ms 23 Mar 2023 872nd TaserTheFox 🇺🇸 572 134 12ms 24 Mar 2023 872nd cros107 🇦🇺 572 134 11ms 3 Jun 2023 872nd namelessiw 572 134 10ms 15 Jan 2024 872nd brimstonetrader 572 134 11ms 22 Jan 2024 872nd mrmena 🇦🇺 572 134 10ms 27 Mar 2024 872nd EnTerr 572 134 10ms 1 Sep 2024 First Prev 801–880 of 1,297 Next Last