The Calendar hole will go live in approximately 10 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 240th pxeger 🇬🇧 835 125 40ms 14 Feb 2022 240th PeterTillema 🇳🇱 835 125 22ms 29 Mar 2023 240th lynn 835 125 38ms 17 Oct 2023 240th blaztoma 🇱🇹 835 125 23ms 20 days ago 245th m-tkach 🇺🇦 834 205 60ms 16 Jun 2022 246th Steffan153 🇫🇮 833 113 138ms 13 Aug 2024 246th edsrzf 🇳🇿 833 113 783ms 22 days ago 248th primo-ppcg 🇹🇭 833 135 5ms 4 Sep 2023 248th DialFrost 🇸🇬 833 135 4ms 29 Nov 2023 250th Shanethegamer 🇺🇸 833 146 149ms 24 Apr 2022 251st primo-ppcg 🇹🇭 833 302 12ms 13 Aug 2025 252nd edsrzf 🇳🇿 832 190 279ms 16 Oct 2024 253rd MeWhenI 🇻🇦 831 175 404ms 31 Jul 2023 253rd primo-ppcg 🇹🇭 831 175 376ms 10 Apr 2025 255th jared-hughes 831 202 241ms 10 Nov 2022 256th kg583 🇺🇸 830 108 501ms 20 days ago 257th stefangimmillaro 829 96 964ms 9 Jan 2023 258th primo-ppcg 🇹🇭 828 126 25ms 9 Oct 2020 258th orthoplex 🇨🇽 828 126 11ms 4 Apr 2022 258th lifthrasiir 🇰🇷 828 126 25ms 11 Nov 2024 258th KasperKivimaeki 🇫🇮 828 126 27ms 25 Oct 2025 262nd Shanethegamer 🇺🇸 828 144 81ms 30 Mar 2025 262nd edsrzf 🇳🇿 828 144 107ms 22 days ago 264th yzhs 🇩🇪 828 147 144ms 24 Jul 2021 265th Shanethegamer 🇺🇸 827 294 502ms 20 Jan 2025 265th emgordon154 827 294 464ms 29 May 2025 267th BambooleanLogic 🇸🇪 826 115 9ms 7 Nov 2022 267th MeWhenI 🇻🇦 826 115 12ms 21 Aug 2023 269th GolfingSuccess 🇬🇷 826 149 12ms 3 Jan 2025 270th NewDefectus 🇮🇱 826 163 2ms 2 Dec 2021 271st Steffan153 🇫🇮 826 164 481ms 10 Aug 2024 271st sean-niemann 🇺🇸 826 164 428ms 11 Aug 2024 273rd Steffan153 🇫🇮 825 111 6ms 14 May 2023 274th MeWhenI 🇻🇦 824 121 7ms 13 May 2021 275th ian-h-chamberlain 🇺🇸 823 204 227ms 18 Jul 2022 276th andersk 🇺🇸 822 127 10ms 6 Oct 2020 276th scpchicken 🇵🇼 822 127 21ms 3 Jun 2024 276th ryyyn 🇺🇸 822 127 11ms 13 Nov 2025 279th SirBogman 🇺🇸 822 147 42ms 12 Oct 2020 280th Shanethegamer 🇺🇸 822 167 33ms 28 Feb 2023 280th lynn 822 167 33ms 18 Jul 2023 282nd frankgraziano 822 306 12ms 16 days ago 283rd JayXon 🇺🇸 820 270 1,683ms 15 Sep 2025 284th SirBogman 🇺🇸 819 62 219ms 4 Nov 2021 285th uttumuttu 🇫🇮 819 116 10ms 7 Jan 2022 285th targrik 819 116 9ms 23 Mar 2025 287th stefangimmillaro 819 215 619ms 6 Oct 2025 288th ngn 🇧🇬 818 33 682ms 16 Jan 2022 288th rak1507 🇬🇧 818 33 3ms 5 Mar 2022 290th clockworknazo 818 117 4ms 30 Jun 2023 291st primo-ppcg 🇹🇭 818 209 59ms 7 Mar 2022 292nd MeWhenI 🇻🇦 816 148 43ms 2 Jan 2024 293rd inventshah 815 110 396ms 16 Jan 2024 293rd CaedenHarper 🇨🇦 815 110 487ms 29 Jul 2025 295th CaedenHarper 🇨🇦 815 128 30ms 29 Jul 2025 296th lifthrasiir 🇰🇷 814 228 13ms 19 Dec 2024 297th primo-ppcg 🇹🇭 812 98 1,147ms 24 Mar 2021 298th Attero 🇸🇪 812 117 10ms 21 Oct 2020 298th ArmaanAS 812 117 9ms 24 Mar 2021 298th ScottHamper 812 117 9ms 25 Jun 2021 298th itsh01 812 117 9ms 10 Apr 2022 298th eranws 812 117 9ms 13 Oct 2022 298th inventshah 812 117 9ms 14 Nov 2022 298th makinde 812 117 9ms 19 Nov 2022 298th neel11235813 812 117 9ms 26 Feb 2023 298th voytxt 🇨🇿 812 117 9ms 15 Jul 2023 298th duckyluuk 🇳🇱 812 117 9ms 25 Mar 2024 298th dmrichwa 🇺🇸 812 117 10ms 13 Jun 2024 309th ovs-code 🇩🇪 811 116 132ms 17 Apr 2025 310th LucaArgentiUCF 🇮🇹 811 149 44ms 13 Feb 2021 310th stefangimmillaro 811 149 42ms 19 Nov 2024 312th sean-niemann 🇺🇸 811 155 6ms 27 May 2025 313th error256 810 112 90ms 19 Jun 2024 314th lynn 810 122 26ms 10 Nov 2021 315th Shanethegamer 🇺🇸 810 211 58ms 23 Apr 2023 316th TFeld00 🇩🇰 809 129 29ms 11 Nov 2020 316th SirBogman 🇺🇸 809 129 11ms 19 May 2022 316th jakobkordez 🇸🇮 809 129 31ms 10 Nov 2022 316th SirFireball3521 809 129 29ms 25 Jan 2023 316th anter69 🇭🇺 809 129 28ms 9 Feb 2023 First Prev 241–320 of 1,299 Next Last