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 879th CutSandstone 681 69 12ms 3 Jul 2024 879th cros107 🇦🇺 681 69 9ms 30 Dec 2024 883rd MeWhenI 🇻🇦 679 56 82ms 2 Nov 2023 884th cure-honey 🇯🇵 679 142 145ms 23 Jun 2021 885th sisyphus-ppcg 🇦🇺 678 46 501ms 30 Jan 2023 886th MeWhenI 🇻🇦 677 124 83ms 15 Jul 2023 887th DrPiranoid 677 150 443ms 12 Mar 2023 887th janbehrens 🇩🇪 677 150 470ms 15 May 2023 889th dokutan 675 45 2,419ms 26 Mar 2023 890th KasperKivimaeki 🇫🇮 675 108 443ms 25 Nov 2024 891st purp 674 56 40ms 13 Aug 2022 892nd MeWhenI 🇻🇦 674 82 868ms 11 May 2023 893rd Dadoum 673 115 475ms 3 Mar 2022 894th madex 🇩🇪 673 123 4ms 20 Feb 2024 895th janbehrens 🇩🇪 673 133 467ms 21 Nov 2021 896th lucky-lilypad 673 151 84ms 17 Jan 2022 897th lovernj 671 70 16ms 7 Feb 2022 897th trist224 🇫🇷 671 70 16ms 16 Nov 2022 897th eiburns 671 70 16ms 7 Dec 2022 897th falsidge 671 70 19ms 21 Jun 2023 897th Vaekor 671 70 16ms 9 Jul 2023 897th MaxElf999 671 70 14ms 7 Aug 2023 897th RobertHoeh 671 70 9ms 29 Mar 2024 904th MeWhenI 🇻🇦 671 118 142ms 10 Oct 2023 905th SpareManiKatti 670 72 10ms 11 Sep 2021 905th DayDun 🇸🇪 670 72 31ms 22 Jan 2023 905th Yax42 🇫🇷 670 72 115ms 5 Sep 2025 908th emgordon154 670 157 125ms 26 Feb 2025 909th SirBogman 🇺🇸 669 58 461ms 20 Feb 2024 910th KatieLG 🇬🇧 669 67 332ms 15 Jan 2024 910th msbranicky 669 67 380ms 16 Jan 2024 910th Stockoh 🇫🇷 669 67 360ms 24 Jun 2024 910th HumanoidCPU 669 67 455ms 14 Aug 2024 910th dokutan 669 67 355ms 3 Oct 2024 915th stefangimmillaro 667 153 445ms 6 Oct 2025 916th inventshah 666 126 80ms 13 Sep 2022 917th MeWhenI 🇻🇦 666 894 4ms 25 May 2022 918th ktiy 665 211 1,905ms 30 May 2024 919th emgordon154 664 84 36ms 7 Dec 2024 920th Shanethegamer 🇺🇸 663 87 1,335ms 18 Jan 2023 921st MeWhenI 🇻🇦 663 317 87ms 29 Aug 2023 922nd stordev 662 71 17ms 26 Feb 2021 922nd CedricGebistorf 662 71 23ms 9 Mar 2022 922nd Andrewjake 662 71 16ms 16 May 2022 922nd AlexanderFair 662 71 15ms 3 Aug 2023 922nd griffinschreiber 662 71 9ms 3 Nov 2024 927th janbehrens 🇩🇪 662 117 575ms 1 May 2023 928th p01 661 73 12ms 25 Jul 2025 929th iczelia 🇩🇪 658 92 63ms 21 Sep 2025 930th Lydxn 🇨🇦 658 155 402ms 15 Sep 2024 931st Shanethegamer 🇺🇸 658 160 127ms 28 Jan 2022 932nd Alex-x90 🇺🇸 657 126 4ms 29 Jan 2024 932nd emgordon154 657 126 29ms 25 Feb 2025 934th Irratix 🇳🇱 654 81 120ms 16 Nov 2021 934th Shanethegamer 🇺🇸 654 81 119ms 26 May 2022 934th CatsAreFluffy 654 81 118ms 7 Dec 2022 937th emgordon154 654 94 4,987ms 10 May 2025 938th petar-donchev 653 72 33ms 2 Sep 2019 938th geofft 653 72 10ms 13 Dec 2020 938th enbyte 653 72 23ms 4 Jun 2021 938th SniperSmiley 🇺🇸 653 72 23ms 19 Jul 2022 938th Unknownuserfrommars 653 72 16ms 21 Nov 2024 943rd uttumuttu 🇫🇮 652 74 116ms 6 Mar 2022 943rd thadeucity 652 74 9ms 26 May 2025 945th janbehrens 🇩🇪 652 127 4ms 15 May 2023 946th proton 🇩🇪 651 58 42ms 8 Jun 2020 946th Lv0Sys 🇵🇱 651 58 37ms 27 May 2025 948th rowan-OzRunways 651 148 142ms 15 Aug 2020 948th snoozingnewt 🇨🇦 651 148 277ms 27 days ago 950th albanian-laundromat 651 180 436ms 18 Oct 2025 951st primo-ppcg 🇹🇭 650 157 387ms 25 Apr 2020 952nd ericlangedijk 🇸🇮 648 138 377ms 17 Mar 2022 953rd KasperKivimaeki 🇫🇮 647 96 3,779ms 8 days ago 954th voytxt 🇨🇿 646 47 2,731ms 19 May 2022 955th Bubbler-4 646 60 567ms 25 Jan 2022 956th Shanethegamer 🇺🇸 646 167 190ms 21 Jun 2024 957th osmith93 644 73 11ms 31 Jul 2021 957th CatsAreFluffy 644 73 9ms 7 Dec 2022 957th willdaspit 644 73 16ms 5 Aug 2023 957th adamnielson42 🇺🇸 644 73 11ms 24 Aug 2023 First Prev 881–960 of 3,372 Next Last