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 721st MeWhenI 🇻🇦 709 211 3ms 10 Sep 2022 722nd Shanethegamer 🇺🇸 707 182 125ms 24 May 2025 723rd Natanaelel 🇸🇪 705 53 34ms 3 Mar 2022 724th Natanaelel 🇸🇪 705 113 946ms 27 May 2021 724th anter69 🇭🇺 705 113 1,051ms 19 Feb 2023 726th mossprescott 705 148 10ms 17 Jan 2023 726th aksyristos 705 148 11ms 28 Feb 2023 728th DaDerpDuck 705 169 2ms 20 Jan 2021 728th Shanethegamer 🇺🇸 705 169 2ms 24 Jun 2022 730th iczelia 🇩🇪 705 191 2ms 30 Sep 2025 731st emgordon154 704 105 6ms 16 Nov 2024 732nd raphaelimahorn 704 135 9ms 15 Oct 2020 732nd Larento 704 135 10ms 14 Oct 2023 732nd helbling 🇨🇭 704 135 10ms 16 Jul 2024 735th scpchicken 🇵🇼 702 173 147ms 8 Mar 2022 736th snoozingnewt 🇨🇦 702 207 387ms 2 Oct 2025 737th DialFrost 🇸🇬 701 192 2ms 12 Feb 2024 738th hamhub7 699 208 347ms 4 Aug 2022 738th bac0id 699 208 340ms 27 Sep 2023 740th DialFrost 🇸🇬 698 120 112ms 4 Aug 2024 741st elisherer 🇮🇱 698 136 9ms 9 Oct 2020 741st KrausRaus 🇺🇸 698 136 10ms 9 Dec 2020 741st akshatj27 🇦🇶 698 136 9ms 30 Dec 2021 741st chasewalden 698 136 9ms 25 Apr 2023 745th cipharius 698 174 143ms 20 Jan 2021 746th DialFrost 🇸🇬 697 135 763ms 1 Sep 2025 747th chlorobenzene12 697 171 2ms 27 Dec 2022 748th DrPiranoid 697 193 2ms 5 Apr 2023 749th NicoAdams 696 150 10ms 21 Nov 2021 749th fgrosshans 🇫🇷 696 150 10ms 12 Jan 2022 749th MaxElf999 696 150 11ms 27 Sep 2022 749th egasyelir 696 150 9ms 13 Jul 2024 753rd johnnythedoggie 696 191 113ms 8 Feb 2021 754th pan4ever 696 209 345ms 21 Nov 2021 755th jared-hughes 696 253 488ms 24 Sep 2025 755th h3ra993huskp 🇯🇵 696 253 491ms 18 days ago 757th dcgjb 695 117 291ms 2 May 2024 758th ndren 695 129 455ms 30 Jan 2024 759th emgordon154 695 155 10ms 11 Dec 2024 760th MeWhenI 🇻🇦 695 220 505ms 8 May 2022 761st lowlighter 693 137 9ms 1 Nov 2020 761st boxjelly 693 137 9ms 7 Feb 2021 761st randolchance 693 137 9ms 29 Dec 2022 764th JRaspass 🇬🇧 693 228 264ms 12 Aug 2023 765th annaproxy 692 210 347ms 22 Feb 2022 765th Shanethegamer 🇺🇸 692 210 347ms 1 Jun 2022 765th postie77 692 210 358ms 31 May 2023 765th GodlyProgrammer1 692 210 392ms 16 days ago 769th Irratix 🇳🇱 692 221 531ms 3 Jan 2022 770th albanian-laundromat 692 351 469ms 27 Oct 2025 771st btjones0 691 117 10ms 9 Jan 2021 772nd cpeck-rmvd 691 151 11ms 18 Jan 2023 773rd Shanethegamer 🇺🇸 691 156 8ms 22 Dec 2023 774th KatieLG 🇬🇧 690 130 453ms 15 Jan 2024 774th Yewzir 🇧🇪 690 130 494ms 15 Jan 2024 774th namelessiw 690 130 442ms 5 Mar 2024 777th KatieLG 🇬🇧 690 163 4ms 19 May 2021 778th MattShaile 688 138 8ms 19 Apr 2022 778th ShiraJoseph 🇺🇸 688 138 9ms 6 May 2023 778th two-bad 🇬🇧 688 138 9ms 24 Feb 2024 778th xShadowBlade 688 138 10ms 26 Dec 2024 782nd MeWhenI 🇻🇦 687 94 47ms 27 Jun 2022 782nd SirBogman 🇺🇸 687 94 41ms 23 Aug 2022 784th emgordon154 687 137 135ms 17 Nov 2024 785th Pena86 687 152 16ms 14 Mar 2021 785th BREMAUCY 🇫🇷 687 152 10ms 22 Sep 2025 787th Shanethegamer 🇺🇸 686 165 361ms 6 Nov 2021 788th jared-hughes 686 223 2,799ms 23 Oct 2022 788th MateuszPietrzak 🇵🇱 686 223 453ms 9 Jan 2024 790th bbonenfant 685 245 224ms 21 Nov 2020 791st SirBogman 🇺🇸 683 119 268ms 2 Feb 2024 792nd alexkunin 683 139 12ms 13 Oct 2020 792nd XenThe 🇬🇧 683 139 10ms 21 Jun 2025 792nd snoozingnewt 🇨🇦 683 139 11ms 2 Oct 2025 795th lynn 683 164 14ms 17 Nov 2021 796th cbrt-x 683 178 145ms 19 Sep 2023 797th janbehrens 🇩🇪 683 219 2ms 14 Sep 2022 798th vishwathg 682 153 23ms 27 Sep 2022 798th mbittner20 682 153 10ms 27 May 2023 800th 386asm 🇺🇸 681 223 43ms 27 Apr 2023 First Prev 721–800 of 1,297 Next Last