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 241st frozolotl 839 200 245ms 8 Nov 2020 242nd targrik 838 134 4ms 9 Jan 2025 243rd primo-ppcg 🇹🇭 838 135 368ms 6 Nov 2021 244th the-zammers 838 145 152ms 2 Dec 2024 245th lynn 837 150 1,324ms 26 May 2022 246th pardouin 🇫🇷 836 95 968ms 26 Jul 2025 247th MeWhenI 🇻🇦 835 147 12ms 12 Jan 2025 248th canissimia 🇦🇶 835 189 4,144ms 1 Nov 2023 249th dokutan 833 92 11ms 15 Aug 2024 250th m-tkach 🇺🇦 833 205 60ms 16 Jun 2022 251st primo-ppcg 🇹🇭 832 135 5ms 4 Sep 2023 251st DialFrost 🇸🇬 832 135 4ms 29 Nov 2023 253rd Shanethegamer 🇺🇸 832 146 149ms 24 Apr 2022 254th primo-ppcg 🇹🇭 832 302 12ms 13 Aug 2025 255th Destrings2 🇨🇴 831 135 2ms 8 Jul 2021 255th jacobly0 🇺🇸 831 135 3ms 14 Sep 2023 255th FlyingPenguin223 831 135 3ms 1 Mar 2025 258th edsrzf 🇳🇿 831 190 279ms 16 Oct 2024 259th jared-hughes 831 202 241ms 10 Nov 2022 260th MeWhenI 🇻🇦 830 175 404ms 31 Jul 2023 260th primo-ppcg 🇹🇭 830 175 376ms 10 Apr 2025 262nd error256 829 95 89ms 19 Jun 2024 263rd stefangimmillaro 828 96 964ms 9 Jan 2023 264th edsrzf 🇳🇿 827 144 107ms 22 days ago 265th yzhs 🇩🇪 827 147 144ms 24 Jul 2021 266th dcgjb 826 93 337ms 2 May 2024 267th NewDefectus 🇮🇱 826 107 8ms 19 Dec 2021 268th Shanethegamer 🇺🇸 826 294 502ms 20 Jan 2025 268th emgordon154 826 294 464ms 29 May 2025 270th Steffan153 🇫🇮 825 109 11ms 24 May 2024 270th kg583 🇺🇸 825 109 28ms 2 Aug 2025 272nd Steffan153 🇫🇮 825 164 481ms 10 Aug 2024 272nd sean-niemann 🇺🇸 825 164 428ms 11 Aug 2024 274th DialFrost 🇸🇬 824 85 535ms 5 Jan 2023 274th MarcMush 🇫🇷 824 85 652ms 15 Nov 2023 276th yzhs 🇩🇪 824 93 10ms 25 Oct 2020 276th wh3n3v3r 🇨🇿 824 93 10ms 8 Nov 2024 276th RaBa21 🇭🇺 824 93 11ms 1 Aug 2025 279th Steffan153 🇫🇮 824 111 6ms 14 May 2023 280th RockOfStone 824 136 2ms 3 Apr 2024 281st GolfingSuccess 🇬🇷 824 149 12ms 3 Jan 2025 282nd ian-h-chamberlain 🇺🇸 823 204 227ms 18 Jul 2022 283rd emgordon154 822 85 336ms 12 Jan 2025 284th MeWhenI 🇻🇦 822 121 7ms 13 May 2021 285th SirBogman 🇺🇸 821 147 42ms 12 Oct 2020 286th Shanethegamer 🇺🇸 821 167 33ms 28 Feb 2023 286th lynn 821 167 33ms 18 Jul 2023 288th frankgraziano 821 306 12ms 16 days ago 289th NewDefectus 🇮🇱 819 163 2ms 2 Dec 2021 290th stefangimmillaro 819 215 619ms 6 Oct 2025 291st JayXon 🇺🇸 819 270 1,683ms 15 Sep 2025 292nd Shanethegamer 🇺🇸 818 108 10ms 11 Mar 2022 293rd sisyphus-ppcg 🇦🇺 817 69 56ms 12 Oct 2023 294th primo-ppcg 🇹🇭 817 209 59ms 7 Mar 2022 295th QuincyNash 🇺🇸 815 94 10ms 20 Jan 2022 295th albanian-laundromat 815 94 11ms 11 Apr 2025 297th MeWhenI 🇻🇦 815 148 43ms 2 Jan 2024 298th ngn 🇧🇬 814 33 682ms 16 Jan 2022 298th rak1507 🇬🇧 814 33 3ms 5 Mar 2022 300th SirBogman 🇺🇸 813 32 66ms 4 Oct 2022 300th emgordon154 813 32 439ms 16 Nov 2025 302nd lifthrasiir 🇰🇷 813 228 13ms 19 Dec 2024 303rd GolfingSuccess 🇬🇷 812 86 337ms 25 Jan 2025 304th albanian-laundromat 812 184 3ms 16 Jul 2025 305th ovs-code 🇩🇪 811 96 104ms 13 days ago 306th primo-ppcg 🇹🇭 811 98 1,147ms 24 Mar 2021 307th BBoehm 🇩🇪 811 109 9ms 19 Jan 2021 307th ovs-code 🇩🇪 811 109 9ms 20 Nov 2024 309th LucaArgentiUCF 🇮🇹 810 149 44ms 13 Feb 2021 309th stefangimmillaro 810 149 42ms 19 Nov 2024 311th sean-niemann 🇺🇸 810 155 6ms 27 May 2025 311th kg583 🇺🇸 810 155 47ms 26 Aug 2025 313th Shanethegamer 🇺🇸 810 211 58ms 23 Apr 2023 314th lynn 809 122 26ms 10 Nov 2021 315th jacklynnepenick 807 95 16ms 14 Aug 2021 315th zach333 807 95 11ms 13 Jul 2024 317th Shanethegamer 🇺🇸 807 139 3ms 24 Jun 2022 318th btjones0 807 208 220ms 26 Jan 2021 319th clockworknazo 806 73 3ms 23 Nov 2022 320th ovs-code 🇩🇪 805 70 44ms 11 Jul 2024 First Prev 241–320 of 1,295 Next Last