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 639th emgordon154 731 130 10ms 17 Nov 2024 642nd KenanSi 730 37 3ms 23 Feb 2022 643rd hiichbindermax 730 143 30ms 24 Feb 2022 643rd SaswatPadhi 730 143 9ms 5 Sep 2022 645th janAkali 🇷🇺 730 155 377ms 28 Jan 2025 646th brimstonetrader 728 167 144ms 31 Jan 2024 647th Alex-x90 🇺🇸 728 210 410ms 15 Jul 2023 647th m-tkach 🇺🇦 728 210 484ms 18 Jul 2023 649th Shanethegamer 🇺🇸 728 242 475ms 24 Sep 2025 650th lynn 727 185 2ms 2 Oct 2021 650th jared-hughes 727 185 2ms 23 Oct 2022 652nd aliakseikalosha 727 200 340ms 21 Nov 2021 652nd ericlangedijk 🇸🇮 727 200 337ms 26 Feb 2022 654th MeWhenI 🇻🇦 725 102 5ms 13 Aug 2024 655th prplz 🇦🇺 725 131 10ms 14 Oct 2020 655th Waffle3z 725 131 9ms 8 Jul 2021 655th DayDun 🇸🇪 725 131 9ms 19 Jan 2023 655th DanielVenable 725 131 10ms 7 Aug 2025 659th jgbaldwinbrown 725 144 10ms 29 Jun 2021 659th Bmrl7 725 144 11ms 3 Mar 2024 659th HumanoidCPU 725 144 13ms 1 Nov 2024 659th rollershutter 725 144 12ms 8 Oct 2025 663rd ognen98 725 211 411ms 15 Jun 2023 664th DialFrost 🇸🇬 725 243 560ms 24 Sep 2025 665th o0lit3 🇺🇸 724 87 20ms 1 Nov 2021 666th ognen98 724 186 2ms 15 Jun 2023 667th snoozingnewt 🇨🇦 723 124 550ms 2 Oct 2025 668th jared-hughes 723 155 18ms 27 Nov 2021 669th adriweb 🇫🇷 723 165 2ms 14 Sep 2023 670th Shanethegamer 🇺🇸 722 108 375ms 14 Jun 2021 670th janbehrens 🇩🇪 722 108 402ms 19 Jul 2022 672nd kg583 🇺🇸 721 127 5ms 3 days ago 673rd Shanethegamer 🇺🇸 721 212 424ms 30 Mar 2023 674th BBoehm 🇩🇪 720 132 8ms 19 Jan 2021 674th Pixels4Breakfast 720 132 10ms 2 Feb 2022 674th Lv0Sys 🇵🇱 720 132 10ms 14 days ago 677th maggym00 720 145 10ms 27 Apr 2021 677th AkashTandon167 720 145 10ms 25 May 2021 677th LeeCamp 720 145 10ms 9 Dec 2021 677th eshilo-draper 720 145 16ms 15 Jun 2023 677th Ythaenagor 720 145 17ms 5 Aug 2024 677th JunkIce 720 145 17ms 4 Oct 2024 683rd Vinterion 720 187 2ms 21 Jun 2024 683rd bac0id 720 187 2ms 27 Jun 2024 683rd MeWhenI 🇻🇦 720 187 2ms 5 Jul 2024 686th roavin 720 202 350ms 26 Jul 2022 687th sean-niemann 🇺🇸 719 82 3ms 12 Aug 2024 688th HallMatthew314 719 169 148ms 14 Feb 2022 689th DialFrost 🇸🇬 719 208 3ms 27 May 2025 690th stefangimmillaro 716 173 101ms 21 Oct 2022 691st Shanethegamer 🇺🇸 716 188 2ms 24 Dec 2021 692nd inventshah 715 109 358ms 14 Nov 2022 692nd DialFrost 🇸🇬 715 109 466ms 23 Jan 2024 694th aditsu 715 143 4,300ms 11 Aug 2025 695th MisterrLuck 715 146 10ms 3 Sep 2023 695th Command-Master 715 146 10ms 24 Sep 2023 695th solisolu 715 146 10ms 7 Nov 2025 698th Heathcorp 🇦🇺 715 214 66ms 11 Apr 2022 698th tailorspy 715 214 384ms 2 Nov 2023 698th madex 🇩🇪 715 214 63ms 9 Jul 2024 698th Lv0Sys 🇵🇱 715 214 81ms 31 May 2025 702nd boxjelly 715 235 218ms 9 Feb 2021 703rd L1Wulf 714 133 9ms 4 Feb 2022 703rd fitzdotlol 🇺🇸 714 133 9ms 20 Mar 2022 703rd DialFrost 🇸🇬 714 133 10ms 1 Feb 2023 703rd LukeBridges 🇬🇧 714 133 9ms 12 Mar 2024 703rd wh3n3v3r 🇨🇿 714 133 10ms 8 Nov 2024 703rd Palladium02 714 133 9ms 28 May 2025 709th dokutan 712 126 495ms 12 Aug 2024 709th albanian-laundromat 712 126 459ms 3 Nov 2025 711th dymowski 712 158 4ms 3 Aug 2021 712th edsrzf 🇳🇿 712 159 418ms 23 Jul 2025 713th TeodorDyakov 🇧🇬 712 189 5ms 3 Jul 2025 714th scpchicken 🇵🇼 712 236 212ms 18 Apr 2022 715th Natanaelel 🇸🇪 711 38 3ms 3 Mar 2022 716th kg583 🇺🇸 711 186 48ms 26 Aug 2025 717th dokutan 710 168 3ms 22 Apr 2024 718th Shanethegamer 🇺🇸 710 176 13ms 4 Dec 2024 719th KatieLG 🇬🇧 709 134 10ms 18 Apr 2021 720th janbehrens 🇩🇪 709 205 351ms 28 May 2022 First Prev 641–720 of 1,297 Next Last