The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
𝑒 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 ian-h-chamberlain 🇺🇸 736 143 128ms 17 Nov 2022 722nd Constructor7 734 64 9ms 22 Feb 2018 722nd RDShah 734 64 11ms 12 Jun 2022 722nd cbondurant 734 64 20ms 6 Jul 2022 722nd FlorianCassayre 🇫🇷 734 64 11ms 11 Oct 2022 722nd DrPiranoid 734 64 16ms 26 Mar 2023 722nd quimey 734 64 9ms 7 Aug 2023 722nd programjames 734 64 11ms 7 Jan 2024 722nd albanian-laundromat 734 64 11ms 28 Jun 2025 722nd solisolu 734 64 16ms 22 days ago 731st DialFrost 🇸🇬 733 139 1,420ms 16 Dec 2024 732nd stefangimmillaro 732 84 3,991ms 13 Nov 2024 733rd itsh01 731 66 9ms 22 Aug 2022 734th MeWhenI 🇻🇦 730 79 1,289ms 8 Jun 2023 735th GolfingSuccess 🇬🇷 729 817 663ms 10 Aug 2022 736th Soyo-Wind 727 123 405ms 6 Nov 2025 737th BREMAUCY 🇫🇷 726 52 36ms 18 Sep 2023 738th BlankSpruce 726 114 4ms 17 Jan 2022 739th grondilu 725 43 394ms 26 Mar 2023 740th FlorianCassayre 🇫🇷 723 42 2,289ms 26 May 2024 741st kohlrabi 723 65 16ms 5 Feb 2020 741st betaveros 723 65 9ms 1 Jan 2023 741st vishwathg 723 65 18ms 4 Feb 2023 741st Firefox760 723 65 9ms 23 Apr 2023 741st elgan65536 723 65 9ms 4 Mar 2024 741st jipsong 🇩🇪 723 65 69ms 19 Mar 2024 741st redweasel 723 65 35ms 13 Jul 2025 748th sisyphus-ppcg 🇦🇺 722 101 761ms 16 days ago 749th prplz 🇦🇺 720 115 4ms 5 Jun 2021 750th bforte 716 74 113ms 19 Dec 2018 751st inventshah 715 86 3,882ms 3 Nov 2024 751st duckyluuk 🇳🇱 715 86 4,084ms 24 Jun 2025 753rd Irratix 🇳🇱 715 142 82ms 18 Dec 2022 754th janbehrens 🇩🇪 713 53 49ms 16 Jan 2021 754th olivermrose 🇺🇸 713 53 40ms 14 Sep 2021 754th KatieLG 🇬🇧 713 53 36ms 8 Oct 2022 754th aksyristos 713 53 35ms 22 Oct 2022 754th anter69 🇭🇺 713 53 54ms 22 Feb 2023 754th tatzyr 🇯🇵 713 53 61ms 24 Mar 2025 760th tomh1012 710 126 349ms 8 Sep 2025 761st edsrzf 🇳🇿 710 165 477ms 20 Jan 2025 762nd AlexDaniel 🇪🇪 709 44 210ms 24 Feb 2018 762nd SirFireball3521 709 44 430ms 13 Feb 2023 764th helbling 🇨🇭 709 68 12ms 20 May 2024 764th gigaprofisi 🇺🇸 709 68 12ms 25 Jul 2025 766th lynn 708 117 6ms 22 May 2021 767th trinityy-7 707 40 19ms 8 Feb 2024 768th MeWhenI 🇻🇦 706 88 1,129ms 25 Aug 2024 769th emgordon154 706 166 449ms 30 Apr 2025 770th argusdusty 🇺🇸 705 179 283ms 26 Dec 2020 771st TannerJ07 🇺🇸 702 150 135ms 5 Apr 2025 772nd MeWhenI 🇻🇦 702 167 1,473ms 29 Mar 2025 773rd SirBogman 🇺🇸 702 299 120ms 23 Nov 2022 774th mueller14003 701 67 16ms 7 Apr 2018 774th clfs 701 67 16ms 10 Jul 2018 774th bkshrader 701 67 16ms 30 Dec 2018 774th elldur 701 67 11ms 17 Mar 2019 774th giacomogallina 701 67 16ms 6 Jun 2019 774th dzhang314 701 67 16ms 14 Aug 2019 774th sk- 701 67 17ms 11 Sep 2019 774th amishtal 701 67 16ms 26 Nov 2019 774th AforAmpere 701 67 16ms 19 Jan 2020 774th Jviscus1 701 67 17ms 24 Apr 2020 774th GalladeGuy 🇺🇸 701 67 17ms 23 May 2020 774th hashkitten 701 67 16ms 24 Sep 2020 774th KatieLG 🇬🇧 701 67 16ms 1 Nov 2020 774th Dazza314 🇬🇧 701 67 16ms 6 Nov 2020 774th argusdusty 🇺🇸 701 67 16ms 26 Dec 2020 774th ydevor 🇮🇱 701 67 16ms 22 Feb 2021 774th asadullayev 701 67 17ms 3 Mar 2021 774th vezzick 701 67 16ms 8 Mar 2021 774th starxingchenc 701 67 16ms 31 May 2021 774th RYNO8 701 67 16ms 8 Aug 2021 774th anter69 🇭🇺 701 67 16ms 29 Aug 2021 774th ngocbd 🇻🇳 701 67 16ms 31 Aug 2021 774th ToE42 701 67 16ms 7 Sep 2021 774th walterfeyman 701 67 17ms 30 Oct 2021 774th Bonjour27891 🇻🇳 701 67 16ms 7 Feb 2022 774th LeeCamp 701 67 16ms 15 Feb 2022 774th alexamici 701 67 16ms 5 Apr 2022 First Prev 721–800 of 3,372 Next Last