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 81st Waffle3z 896 133 2ms 8 Jul 2021 82nd JayXon 🇺🇸 895 89 1,080ms 17 Jul 2023 83rd ScottHamper 894 197 466ms 18 days ago 84th primo-ppcg 🇹🇭 893 91 326ms 12 Dec 2020 85th Steffan153 🇫🇮 893 136 140ms 6 Mar 2024 85th Natanaelel 🇸🇪 893 136 173ms 10 days ago 87th elgan65536 893 188 230ms 27 Oct 2023 88th kg583 🇺🇸 892 117 24ms 17 days ago 89th nwellnhof 🇩🇪 891 57 184ms 7 Oct 2020 90th GrayJoKing 🇦🇺 890 134 2ms 7 Mar 2023 91st saito-ta 🇯🇵 889 91 58ms 20 May 2022 92nd Bubbler-4 888 101 474ms 16 Jan 2024 92nd pardouin 🇫🇷 888 101 532ms 28 Oct 2024 94th NewDefectus 🇮🇱 888 107 8ms 19 Dec 2021 95th JayXon 🇺🇸 888 178 251ms 26 May 2025 96th sean-niemann 🇺🇸 887 137 152ms 27 May 2025 97th AdrienHache 🇫🇷 887 164 424ms 28 Dec 2024 98th xsot 🇸🇬 885 127 5ms 24 May 2025 99th Destrings2 🇨🇴 883 135 2ms 8 Jul 2021 99th jacobly0 🇺🇸 883 135 3ms 14 Sep 2023 101st sean-niemann 🇺🇸 883 179 273ms 25 May 2025 102nd JayXon 🇺🇸 881 116 4,238ms 6 Dec 2024 103rd JayXon 🇺🇸 881 151 634ms 20 May 2023 103rd MeWhenI 🇻🇦 881 151 114ms 21 Aug 2023 105th btnlq 881 165 362ms 10 Mar 2023 106th btnlq 880 84 5ms 25 Aug 2024 107th Kacarott 🇦🇺 880 103 69ms 16 Sep 2024 108th annaproxy 880 138 141ms 7 Feb 2022 108th arjanadriaanse 🇳🇱 880 138 142ms 7 Feb 2022 110th inventshah 880 153 2ms 2 Dec 2023 111th GrayJoKing 🇦🇺 879 102 500ms 18 Jan 2024 111th JayXon 🇺🇸 879 102 479ms 26 Jan 2024 111th ovs-code 🇩🇪 879 102 518ms 17 days ago 114th pfgithub 879 108 11ms 27 Oct 2020 115th JayXon 🇺🇸 878 129 389ms 23 Jul 2025 116th xsot 🇸🇬 877 119 46ms 18 days ago 116th jared-hughes 877 119 22ms 18 days ago 118th RockOfStone 877 136 2ms 3 Apr 2024 119th edsrzf 🇳🇿 876 123 26ms 19 days ago 120th Lydxn 🇨🇦 875 58 426ms 3 Aug 2023 121st IanUtley 875 128 15ms 18 Mar 2025 122nd nwellnhof 🇩🇪 874 154 4ms 2 Mar 2023 122nd JohandeRuiter 🇳🇱 874 154 2ms 19 Sep 2023 124th JohandeRuiter 🇳🇱 874 175 461ms 2 Dec 2023 125th ovs-code 🇩🇪 873 96 104ms 10 days ago 126th primo-ppcg 🇹🇭 873 105 5ms 21 Aug 2023 126th edsrzf 🇳🇿 873 105 5ms 19 days ago 128th Steffan153 🇫🇮 871 103 493ms 21 Jun 2024 129th JayXon 🇺🇸 871 108 139ms 31 Oct 2024 129th CaedenHarper 🇨🇦 871 108 856ms 30 Sep 2025 129th xsot 🇸🇬 871 108 807ms 18 days ago 132nd ovs-code 🇩🇪 871 109 9ms 20 Nov 2024 133rd edsrzf 🇳🇿 871 110 4ms 20 Nov 2025 134th primo-ppcg 🇹🇭 870 93 863ms 13 Mar 2021 135th nwellnhof 🇩🇪 869 182 270ms 24 Aug 2023 135th Steffan153 🇫🇮 869 182 283ms 13 Aug 2024 137th jared-hughes 868 140 146ms 11 Sep 2023 138th primo-ppcg 🇹🇭 868 144 7ms 29 Jan 2023 138th edsrzf 🇳🇿 868 144 9ms 19 days ago 140th Steffan153 🇫🇮 866 90 652ms 13 Aug 2024 141st pardouin 🇫🇷 866 118 4,822ms 7 May 2025 142nd AdrienHache 🇫🇷 864 84 127ms 11 Nov 2024 142nd lyphyser 864 84 52ms 1 Feb 2025 144th Steffan153 🇫🇮 864 97 113ms 7 Mar 2024 145th JayXon 🇺🇸 864 149 112ms 24 May 2025 146th primo-ppcg 🇹🇭 863 73 10ms 7 Dec 2020 147th stefangimmillaro 863 154 129ms 19 Nov 2024 148th sean-niemann 🇺🇸 862 104 486ms 18 days ago 149th b-illy 🇬🇧 862 121 43ms 30 Dec 2024 150th kops-cg 862 130 117ms 17 Mar 2025 151st MeWhenI 🇻🇦 861 144 99ms 7 May 2023 151st Steffan153 🇫🇮 861 144 101ms 14 Aug 2024 153rd Bubbler-4 861 195 221ms 28 Apr 2022 153rd emgordon154 861 195 242ms 23 Feb 2025 153rd acotis 861 195 235ms 5 Jun 2025 153rd lynn 861 195 242ms 28 Oct 2025 157th primo-ppcg 🇹🇭 860 115 26ms 12 Feb 2022 158th sean-niemann 🇺🇸 859 86 5ms 13 Jan 2025 159th bizy-coder 859 119 4,030ms 10 May 2025 160th JayXon 🇺🇸 859 174 5ms 9 Oct 2022 First Prev 81–160 of 1,297 Next Last