The Calendar hole will go live in approximately 8 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 641st iczelia 🇩🇪 781 106 4ms 21 Sep 2025 642nd CaedenHarper 🇨🇦 779 162 256ms 1 Nov 2025 643rd emgordon154 778 71 949ms 10 May 2025 644th jacobly0 🇺🇸 776 102 78ms 10 Oct 2023 645th stefangimmillaro 776 105 100ms 3 Oct 2023 646th m-tkach 🇺🇦 775 210 4,787ms 15 Jan 2025 647th jacobly0 🇺🇸 774 93 232ms 2 Oct 2023 648th luuumine 🇫🇷 774 136 122ms 17 Nov 2025 649th ovs-code 🇩🇪 773 108 172ms 22 Feb 2025 650th MeWhenI 🇻🇦 773 132 460ms 7 Nov 2025 651st postie77 772 116 397ms 17 May 2023 652nd CaedenHarper 🇨🇦 771 31 58ms 16 Jul 2025 653rd Shanethegamer 🇺🇸 771 49 47ms 26 May 2022 653rd DialFrost 🇸🇬 771 49 74ms 31 May 2024 653rd lacrosse 771 49 269ms 24 days ago 656th sean-niemann 🇺🇸 771 125 186ms 21 Mar 2025 657th cubed-guy 770 61 11ms 13 Feb 2022 657th snydej 770 61 10ms 3 Dec 2024 659th SirBogman 🇺🇸 769 75 1,249ms 29 Jan 2024 659th DialFrost 🇸🇬 769 75 1,294ms 10 Mar 2025 661st annaproxy 768 69 114ms 12 Jan 2022 662nd MeWhenI 🇻🇦 768 106 102ms 31 Jul 2023 663rd daniel-pedersen 🇸🇪 766 63 12ms 6 Mar 2022 663rd HamzaM3 766 63 9ms 6 Mar 2022 663rd FlorianCassayre 🇫🇷 766 63 11ms 4 Jun 2024 666th Shanethegamer 🇺🇸 766 101 468ms 2 Mar 2022 667th iczelia 🇩🇪 764 133 67ms 21 Sep 2025 668th acotis 763 138 132ms 7 Jun 2025 669th kmathis22 761 134 465ms 23 Oct 2025 670th latvianfarmer17 🇱🇻 759 40 278ms 20 Jul 2023 671st MeWhenI 🇻🇦 759 118 412ms 8 Dec 2022 672nd georgehulme 758 62 17ms 5 Oct 2022 672nd Pyroan 758 62 17ms 14 May 2025 674th stefangimmillaro 758 117 47ms 26 Apr 2025 674th SirBogman 🇺🇸 758 117 41ms 3 Jun 2025 676th flawr 757 70 125ms 1 Jan 2019 677th jipsong 🇩🇪 757 73 878ms 8 Apr 2025 678th sean-niemann 🇺🇸 757 80 106ms 23 Jul 2023 679th cure-honey 🇯🇵 756 167 271ms 23 Jun 2021 679th targrik 756 167 277ms 4 Jul 2025 681st jared-hughes 755 50 38ms 20 Jan 2023 681st jipsong 🇩🇪 755 50 33ms 8 Apr 2025 683rd ovs-code 🇩🇪 754 74 11ms 10 Dec 2023 684th stefangimmillaro 752 168 267ms 21 Oct 2024 685th snoozingnewt 🇨🇦 750 96 342ms 22 Nov 2025 686th MeWhenI 🇻🇦 749 84 30ms 2 Oct 2022 687th DialFrost 🇸🇬 747 32 55ms 15 Mar 2025 688th Herbert00709 🇵🇱 747 60 419ms 13 May 2024 689th somebody1234 746 63 28ms 2 Mar 2019 689th jiaminglimjm 🇲🇾 746 63 16ms 9 Jan 2021 689th dsh0 746 63 9ms 9 Jun 2022 689th NDR0216 🇹🇼 746 63 16ms 17 Feb 2023 689th fgrosshans 🇫🇷 746 63 9ms 4 May 2025 694th kg583 🇺🇸 746 118 152ms 5 Oct 2025 695th annaproxy 746 120 399ms 12 Jan 2023 695th CaedenHarper 🇨🇦 746 120 368ms 19 Oct 2025 697th albanian-laundromat 745 56 722ms 12 Sep 2025 698th MeWhenI 🇻🇦 745 65 137ms 3 Aug 2024 699th jared-hughes 745 137 451ms 24 Sep 2025 700th MeWhenI 🇻🇦 743 75 42ms 14 Feb 2025 701st thospel 742 42 155ms 29 May 2018 702nd CatsAreFluffy 742 65 9ms 20 Dec 2022 702nd alexsave 742 65 8ms 4 Nov 2025 704th prplz 🇦🇺 741 51 36ms 15 Jun 2020 704th Irratix 🇳🇱 741 51 43ms 1 Jul 2022 706th DialFrost 🇸🇬 741 83 4,130ms 19 Nov 2024 707th rifatx 740 121 439ms 15 Jul 2024 708th targrik 739 84 3,077ms 21 Jan 2025 709th MeWhenI 🇻🇦 738 190 1,757ms 22 Apr 2024 710th stassats 737 52 16ms 27 Apr 2018 710th GrayJoKing 🇦🇺 737 52 16ms 17 Dec 2020 710th Lydxn 🇨🇦 737 52 16ms 12 Oct 2021 710th AlephSquirrel 737 52 17ms 6 Feb 2024 714th ian-h-chamberlain 🇺🇸 736 143 128ms 17 Nov 2022 715th Constructor7 734 64 9ms 22 Feb 2018 715th RDShah 734 64 11ms 12 Jun 2022 715th cbondurant 734 64 20ms 6 Jul 2022 715th FlorianCassayre 🇫🇷 734 64 11ms 11 Oct 2022 715th DrPiranoid 734 64 16ms 26 Mar 2023 715th quimey 734 64 9ms 7 Aug 2023 First Prev 641–720 of 3,367 Next Last