The Calendar hole will go live in approximately 6 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 559th emgordon154 824 29 40ms 16 Nov 2025 562nd jmerle 🇳🇱 824 57 16ms 22 Jan 2022 562nd nstearns96 🇬🇧 824 57 19ms 10 Jan 2023 562nd Shanethegamer 🇺🇸 824 57 17ms 12 Feb 2023 562nd Yewzir 🇧🇪 824 57 17ms 1 May 2023 562nd janbehrens 🇩🇪 824 57 18ms 17 Jun 2023 562nd ListeriaM 824 57 16ms 19 Aug 2023 562nd shelerr 824 57 17ms 9 Jan 2024 562nd SB-945 824 57 16ms 6 Feb 2024 562nd starfihs 824 57 16ms 20 Jul 2024 562nd glassala 824 57 17ms 25 Dec 2024 562nd fkantelberg 824 57 16ms 14 Jul 2025 573rd primo-ppcg 🇹🇭 824 67 1,025ms 25 Nov 2021 574th MeWhenI 🇻🇦 822 121 46ms 15 Jul 2023 575th GrayJoKing 🇦🇺 822 143 61ms 12 Jan 2023 576th jslip 821 37 187ms 4 Sep 2018 576th cure-honey 🇯🇵 821 37 161ms 15 Jun 2021 576th yzhs 🇩🇪 821 37 179ms 21 Jun 2022 579th Natanaelel 🇸🇪 821 46 41ms 20 Feb 2023 580th m-tkach 🇺🇦 820 101 4ms 15 Dec 2022 581st MeWhenI 🇻🇦 820 154 305ms 10 Feb 2023 582nd CaedenHarper 🇨🇦 818 51 721ms 10 Sep 2025 583rd inventshah 818 59 10ms 12 Jun 2022 583rd GeorgeStechman 🇬🇧 818 59 17ms 20 Jun 2022 583rd two-bad 🇬🇧 818 59 17ms 17 Dec 2023 586th btnlq 818 74 111ms 6 Nov 2022 586th sisyphus-ppcg 🇦🇺 818 74 370ms 29 Aug 2024 588th MeWhenI 🇻🇦 818 88 364ms 15 Jul 2023 589th MeWhenI 🇻🇦 814 109 44ms 29 Apr 2025 590th DialFrost 🇸🇬 812 68 955ms 23 Aug 2024 591st MeWhenI 🇻🇦 812 102 4ms 15 Jul 2023 592nd guliyevemil1 🇦🇿 810 58 16ms 16 Apr 2020 593rd namelessiw 810 126 786ms 7 Oct 2025 593rd CaedenHarper 🇨🇦 810 126 493ms 10 Oct 2025 595th sean-niemann 🇺🇸 810 130 129ms 8 Jun 2025 596th MeWhenI 🇻🇦 808 35 151ms 17 Feb 2025 597th Yax42 🇫🇷 807 111 749ms 12 Jun 2024 597th AdrienHache 🇫🇷 807 111 358ms 16 Jan 2025 599th jacobly0 🇺🇸 806 174 1,676ms 18 Sep 2025 600th rambox11 804 60 9ms 5 Feb 2019 600th MeWhenI 🇻🇦 804 60 10ms 31 Jul 2023 602nd ovs-code 🇩🇪 800 39 112ms 4 Jan 2024 602nd Natanaelel 🇸🇪 800 39 106ms 16 Apr 2025 604th SirBogman 🇺🇸 800 48 229ms 27 Feb 2024 605th Shanethegamer 🇺🇸 800 56 346ms 18 Jan 2024 605th Yewzir 🇧🇪 800 56 332ms 4 Feb 2024 607th error256 800 69 967ms 23 Aug 2024 608th Indivicivet 799 38 188ms 30 Mar 2021 608th msbranicky 799 38 175ms 12 Jan 2024 610th MeWhenI 🇻🇦 799 135 162ms 15 Jul 2023 611th DialFrost 🇸🇬 799 263 2,926ms 22 Apr 2025 612th cure-honey 🇯🇵 798 167 68ms 11 Jul 2021 613th ovs-code 🇩🇪 798 249 3,863ms 7 Jul 2024 614th kg583 🇺🇸 797 70 12ms 23 Nov 2025 615th andrewjc2000 796 59 12ms 12 Mar 2025 615th FortuiteMan 🇫🇷 796 59 17ms 18 days ago 617th jared-hughes 794 77 3,747ms 18 Sep 2024 618th jared-hughes 794 250 388ms 22 Jul 2023 619th chunes3 🇺🇸 792 48 228ms 15 Sep 2023 620th 2bular 791 49 215ms 23 Oct 2024 621st lyphyser 791 61 9ms 3 Jun 2023 621st targrik 791 61 9ms 18 Feb 2025 621st Posandu 791 61 11ms 27 Aug 2025 624th Natanaelel 🇸🇪 791 67 114ms 22 Apr 2025 625th MeWhenI 🇻🇦 790 98 488ms 28 Feb 2022 626th stefangimmillaro 790 122 149ms 8 Mar 2023 627th NewDefectus 🇮🇱 789 105 4ms 1 Nov 2021 628th msbranicky 789 160 340ms 31 Aug 2023 629th CatsAreFluffy 788 54 90ms 19 Dec 2022 630th BlankSpruce 788 129 70ms 17 Feb 2023 631st TFeld00 🇩🇰 783 60 10ms 5 Oct 2020 631st prplz 🇦🇺 783 60 10ms 13 Oct 2020 631st NewDefectus 🇮🇱 783 60 10ms 14 Feb 2021 631st jared-hughes 783 60 9ms 6 Oct 2021 631st btjones0 783 60 9ms 6 Dec 2021 631st didion0 🇺🇸 783 60 10ms 24 Feb 2022 631st Irratix 🇳🇱 783 60 9ms 26 Apr 2022 631st mathisfun271 783 60 9ms 13 Feb 2024 631st jipsong 🇩🇪 783 60 9ms 22 Mar 2024 631st Herbert00709 🇵🇱 783 60 14ms 7 May 2024 First Prev 561–640 of 3,370 Next Last