The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Intersection 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 401st janbehrens 🇩🇪 803 140 11ms 29 Mar 2021 402nd GrayJoKing 🇦🇺 803 141 388ms 24 Jul 2025 403rd emgordon154 802 169 443ms 30 May 2025 404th b-illy 🇬🇧 801 112 398ms 30 Dec 2024 405th inventshah 799 128 4,104ms 26 Oct 2024 406th sisyphus-ppcg 🇦🇺 798 105 190ms 13 Oct 2023 407th neihousaigaai 798 119 9ms 14 Mar 2022 408th Shanethegamer 🇺🇸 798 141 4ms 16 Dec 2022 409th MeWhenI 🇻🇦 797 36 99ms 26 Jul 2022 410th xsot 🇸🇬 797 74 2ms 11 Aug 2024 411th bbonenfant 797 131 10ms 21 Nov 2020 411th geofft 797 131 10ms 10 Dec 2020 411th schachmattmatt 797 131 11ms 11 Aug 2021 411th MichaelMBradley 🇨🇦 797 131 9ms 19 Jun 2022 411th b10011 🇫🇮 797 131 9ms 16 Jan 2023 411th wuzekai518 797 131 11ms 2 Aug 2024 411th starfihs 797 131 10ms 23 Feb 2025 411th dirckvdende 797 131 10ms 11 Jul 2025 411th InigoK 🇺🇸 797 131 10ms 10 Sep 2025 420th nullie 796 211 232ms 3 Jan 2025 421st ovs-code 🇩🇪 795 93 11ms 17 days ago 422nd sean-niemann 🇺🇸 795 191 42ms 8 Jan 2024 423rd SirBogman 🇺🇸 794 34 3ms 26 Mar 2022 424th primo-ppcg 🇹🇭 794 162 161ms 27 May 2021 425th Steffan153 🇫🇮 793 222 408ms 10 Aug 2024 426th henrytranter 791 132 10ms 9 Oct 2020 426th andre-lameirinhas 🇵🇹 791 132 12ms 11 Oct 2020 426th adoxography 791 132 10ms 23 Jan 2021 426th UBKorkut 791 132 9ms 12 Mar 2021 426th buffalocat 791 132 9ms 3 May 2021 426th pascscha 791 132 10ms 13 May 2021 426th knutae 🇳🇴 791 132 10ms 29 Jun 2021 426th RYNO8 791 132 11ms 23 Aug 2021 426th itsjustfreekie 791 132 11ms 18 Sep 2021 426th estomagordo 🇳🇱 791 132 9ms 7 Dec 2021 426th amollberg 🇸🇪 791 132 10ms 29 Jan 2022 426th CedricGebistorf 791 132 9ms 6 Mar 2022 426th cooljoseph1 791 132 10ms 6 May 2022 426th abba23 791 132 10ms 27 May 2022 426th nullie 791 132 10ms 8 Jun 2022 426th georgehulme 791 132 9ms 12 Oct 2022 426th astonm 791 132 10ms 15 Nov 2022 426th RDShah 791 132 11ms 23 Nov 2022 426th myleopard 791 132 10ms 23 Dec 2022 426th dranjohn 791 132 10ms 11 Sep 2023 426th vgamula 🇺🇦 791 132 10ms 17 Nov 2023 426th RZ781 791 132 10ms 19 Nov 2023 426th dragonshadows07 791 132 12ms 19 Jan 2024 426th SB-945 791 132 10ms 24 Jan 2024 426th AtengChen 791 132 15ms 17 Aug 2024 426th maxgodfrey2004 🇨🇦 791 132 12ms 5 Jan 2025 426th croc54 791 132 10ms 8 Jan 2025 426th CLOStrophobic 🇮🇹 791 132 10ms 8 Feb 2025 426th connor-grady 791 132 11ms 7 May 2025 426th qpwoeirut 791 132 10ms 3 Aug 2025 426th snoozingnewt 🇨🇦 791 132 10ms 2 Oct 2025 426th jacekwladzinski 791 132 10ms 5 Oct 2025 426th Lv0Sys 🇵🇱 791 132 10ms 14 days ago 459th arctouch-cristiannevianna 790 184 353ms 4 Mar 2024 460th primo-ppcg 🇹🇭 790 223 430ms 28 Sep 2021 461st DanielVenable 789 154 144ms 7 Aug 2025 462nd lynn 789 163 144ms 18 May 2021 463rd luuumine 🇫🇷 788 213 205ms 20 days ago 464th GolfingSuccess 🇬🇷 787 171 2ms 27 Nov 2023 465th Attero 🇸🇪 786 143 10ms 5 Oct 2020 466th JDiLenarda 🇫🇷 786 160 1,319ms 19 Nov 2023 467th Shanethegamer 🇺🇸 786 201 278ms 14 Jul 2023 468th DialFrost 🇸🇬 785 126 27ms 27 Feb 2025 469th AGoyet 785 133 10ms 29 Jun 2022 469th galloj 🇨🇿 785 133 10ms 4 Mar 2023 469th jfallon1997 785 133 10ms 9 Apr 2024 469th bknower 785 133 11ms 30 Jun 2025 469th aalec 785 133 10ms 9 Nov 2025 474th kgodara 784 152 81ms 18 Jan 2024 475th btnlq 783 143 18ms 28 Dec 2021 475th annaproxy 783 143 18ms 3 Jan 2022 477th Shanethegamer 🇺🇸 782 170 111ms 25 Feb 2022 477th kaascevich 782 170 112ms 15 Sep 2025 479th KasperKivimaeki 🇫🇮 782 172 2ms 8 Apr 2025 480th alemelis 780 100 378ms 3 Sep 2024 First Prev 401–480 of 1,297 Next Last