The Calendar hole will go live in approximately 10 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 161st namelessiw 854 206 439ms 10 Oct 2025 162nd primo-ppcg 🇹🇭 853 69 2ms 15 Nov 2022 163rd GrayJoKing 🇦🇺 853 99 86ms 1 Nov 2023 164th UnderKoen 🇳🇱 852 157 5ms 24 Apr 2024 164th m-tkach 🇺🇦 852 157 6ms 24 Apr 2024 164th emgordon154 852 157 5ms 12 Jul 2024 164th edsrzf 🇳🇿 852 157 5ms 21 Feb 2025 168th kumavale 852 197 225ms 5 Oct 2025 169th GrayJoKing 🇦🇺 851 89 15ms 31 Oct 2023 170th GolfingSuccess 🇬🇷 851 90 10ms 10 Oct 2020 170th prplz 🇦🇺 851 90 10ms 13 Oct 2020 170th NewDefectus 🇮🇱 851 90 10ms 1 Nov 2020 170th TFeld00 🇩🇰 851 90 10ms 4 Nov 2020 170th rak1507 🇬🇧 851 90 10ms 23 Mar 2021 170th Shanethegamer 🇺🇸 851 90 11ms 25 May 2021 170th jaredtrh 851 90 10ms 12 Sep 2021 170th MeWhenI 🇻🇦 851 90 11ms 15 Mar 2022 170th anter69 🇭🇺 851 90 10ms 8 Apr 2022 170th Irratix 🇳🇱 851 90 10ms 23 Apr 2022 170th ZakkkkAttackkkk 🇵🇭 851 90 13ms 3 May 2022 170th btjones0 851 90 10ms 15 Jul 2022 170th jakobkordez 🇸🇮 851 90 10ms 23 Oct 2022 170th SirBogman 🇺🇸 851 90 11ms 20 Nov 2022 170th KatieLG 🇬🇧 851 90 13ms 11 Dec 2022 170th DialFrost 🇸🇬 851 90 12ms 19 Dec 2022 170th neel11235813 851 90 10ms 17 Jan 2023 170th Just4FunCoder 851 90 10ms 26 Mar 2023 170th jmerle 🇳🇱 851 90 11ms 20 Jun 2023 170th fkantelberg 851 90 10ms 14 Jul 2023 170th commandblockguy 🇺🇸 851 90 10ms 22 Aug 2023 170th FortuiteMan 🇫🇷 851 90 10ms 30 Aug 2023 170th FlorianCassayre 🇫🇷 851 90 10ms 18 Sep 2023 170th ndren 851 90 30ms 18 Oct 2023 170th Yewzir 🇧🇪 851 90 10ms 23 Oct 2023 170th jatloe 851 90 10ms 28 Jan 2024 170th Artemis21 🇬🇧 851 90 10ms 10 Jan 2025 170th emgordon154 851 90 29ms 12 Jan 2025 170th CornerMercury 🇬🇧 851 90 26ms 14 Feb 2025 170th plcc0 851 90 11ms 9 Mar 2025 170th Flekay 🇩🇪 851 90 11ms 19 Jun 2025 170th Babafaba 851 90 10ms 28 Aug 2025 170th luuumine 🇫🇷 851 90 11ms 26 days ago 203rd ovs-code 🇩🇪 851 157 2ms 7 Jun 2024 204th m-tkach 🇺🇦 851 161 34ms 3 Jun 2025 205th thisishowmymindworks 🇳🇴 850 104 9ms 17 Oct 2020 206th Yax42 🇫🇷 850 171 427ms 20 Jun 2025 207th CLOStrophobic 🇮🇹 849 147 6ms 12 Feb 2025 208th GolfingSuccess 🇬🇷 847 87 5ms 17 Aug 2024 209th kgodara 847 198 238ms 6 Mar 2023 209th connor-grady 847 198 237ms 7 May 2025 211th GrayJoKing 🇦🇺 846 162 35ms 9 Jun 2023 211th Steffan153 🇫🇮 846 162 34ms 9 Jun 2023 213th primo-ppcg 🇹🇭 845 91 326ms 12 Dec 2020 214th tomtheisen 🇺🇸 845 172 347ms 17 Jan 2023 215th kkoenig 845 187 266ms 7 Jan 2024 215th CaedenHarper 🇨🇦 845 187 309ms 29 Oct 2025 217th emplv 🇱🇻 844 133 4ms 23 May 2022 218th boxjelly 844 144 139ms 25 Dec 2020 219th ovs-code 🇩🇪 844 181 581ms 7 Jun 2024 220th GrayJoKing 🇦🇺 843 180 43ms 9 Jun 2023 221st mousetail 🇳🇱 843 199 232ms 25 Jun 2024 221st stefangimmillaro 843 199 243ms 30 Sep 2024 223rd lifthrasiir 🇰🇷 842 83 347ms 2 Dec 2024 224th Steffan153 🇫🇮 842 84 120ms 13 Aug 2024 224th sean-niemann 🇺🇸 842 84 121ms 19 May 2025 226th schachmattmatt 842 91 10ms 11 Aug 2021 226th RYNO8 842 91 10ms 2 Sep 2021 226th annaproxy 842 91 11ms 31 Oct 2021 226th Fishron 842 91 12ms 23 Nov 2021 226th vgamula 🇺🇦 842 91 10ms 17 Nov 2023 226th SB-945 842 91 10ms 24 Jan 2024 226th wuzekai518 842 91 11ms 2 Aug 2024 226th qpwoeirut 842 91 10ms 1 Oct 2025 226th snoozingnewt 🇨🇦 842 91 10ms 2 Oct 2025 235th GrayJoKing 🇦🇺 842 103 7ms 11 Dec 2020 235th GrayJoKing 🇦🇺 842 103 5ms 8 Aug 2023 237th Shanethegamer 🇺🇸 842 149 1,321ms 26 Oct 2023 237th edsrzf 🇳🇿 842 149 45ms 16 Aug 2025 239th sean-niemann 🇺🇸 841 158 120ms 27 May 2025 240th AlephSquirrel 839 32 4ms 5 Nov 2025 First Prev 161–240 of 1,295 Next Last