The Calendar hole will go live in approximately 4 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 881st cure-honey 🇯🇵 679 142 145ms 23 Jun 2021 882nd sisyphus-ppcg 🇦🇺 678 46 344ms 30 Jan 2023 883rd MeWhenI 🇻🇦 677 124 83ms 15 Jul 2023 884th DrPiranoid 677 150 418ms 12 Mar 2023 884th janbehrens 🇩🇪 677 150 425ms 15 May 2023 886th dokutan 675 45 2,037ms 26 Mar 2023 887th purp 674 56 48ms 13 Aug 2022 888th MeWhenI 🇻🇦 674 82 868ms 11 May 2023 889th Dadoum 673 115 475ms 3 Mar 2022 890th madex 🇩🇪 673 123 4ms 20 Feb 2024 891st janbehrens 🇩🇪 673 133 461ms 21 Nov 2021 892nd lucky-lilypad 673 151 63ms 17 Jan 2022 893rd lovernj 671 70 16ms 7 Feb 2022 893rd trist224 🇫🇷 671 70 16ms 16 Nov 2022 893rd eiburns 671 70 16ms 7 Dec 2022 893rd falsidge 671 70 19ms 21 Jun 2023 893rd Vaekor 671 70 16ms 9 Jul 2023 893rd MaxElf999 671 70 14ms 7 Aug 2023 893rd RobertHoeh 671 70 9ms 29 Mar 2024 900th MeWhenI 🇻🇦 671 118 142ms 10 Oct 2023 901st SpareManiKatti 670 72 10ms 11 Sep 2021 901st DayDun 🇸🇪 670 72 31ms 22 Jan 2023 901st Yax42 🇫🇷 670 72 115ms 5 Sep 2025 904th emgordon154 670 157 125ms 26 Feb 2025 905th SirBogman 🇺🇸 669 58 461ms 20 Feb 2024 906th KatieLG 🇬🇧 669 67 332ms 15 Jan 2024 906th msbranicky 669 67 380ms 16 Jan 2024 906th Stockoh 🇫🇷 669 67 360ms 24 Jun 2024 906th HumanoidCPU 669 67 455ms 14 Aug 2024 906th dokutan 669 67 355ms 3 Oct 2024 911th KasperKivimaeki 🇫🇮 667 108 443ms 25 Nov 2024 912th stefangimmillaro 667 153 445ms 6 Oct 2025 913th MeWhenI 🇻🇦 667 893 5ms 2 days ago 914th inventshah 666 126 80ms 13 Sep 2022 915th ktiy 665 211 1,905ms 30 May 2024 916th emgordon154 664 84 36ms 7 Dec 2024 917th Shanethegamer 🇺🇸 663 87 1,335ms 18 Jan 2023 918th MeWhenI 🇻🇦 663 317 87ms 29 Aug 2023 919th stordev 662 71 17ms 26 Feb 2021 919th CedricGebistorf 662 71 23ms 9 Mar 2022 919th Andrewjake 662 71 16ms 16 May 2022 919th AlexanderFair 662 71 15ms 3 Aug 2023 919th griffinschreiber 662 71 9ms 3 Nov 2024 924th janbehrens 🇩🇪 662 117 575ms 1 May 2023 925th p01 661 73 12ms 25 Jul 2025 926th iczelia 🇩🇪 658 92 63ms 21 Sep 2025 927th Lydxn 🇨🇦 658 155 402ms 15 Sep 2024 928th Shanethegamer 🇺🇸 658 160 127ms 28 Jan 2022 929th Alex-x90 🇺🇸 657 126 4ms 29 Jan 2024 929th emgordon154 657 126 29ms 25 Feb 2025 931st Irratix 🇳🇱 654 81 120ms 16 Nov 2021 931st Shanethegamer 🇺🇸 654 81 119ms 26 May 2022 931st CatsAreFluffy 654 81 118ms 7 Dec 2022 934th emgordon154 654 94 4,163ms 10 May 2025 935th petar-donchev 653 72 33ms 2 Sep 2019 935th geofft 653 72 10ms 13 Dec 2020 935th enbyte 653 72 23ms 4 Jun 2021 935th SniperSmiley 🇺🇸 653 72 23ms 19 Jul 2022 935th Unknownuserfrommars 653 72 16ms 21 Nov 2024 940th uttumuttu 🇫🇮 652 74 116ms 6 Mar 2022 940th thadeucity 652 74 9ms 26 May 2025 942nd janbehrens 🇩🇪 652 127 4ms 15 May 2023 943rd proton 🇩🇪 651 58 51ms 8 Jun 2020 943rd Lv0Sys 🇵🇱 651 58 45ms 27 May 2025 945th rowan-OzRunways 651 148 142ms 15 Aug 2020 945th snoozingnewt 🇨🇦 651 148 277ms 20 Nov 2025 947th albanian-laundromat 651 180 436ms 18 Oct 2025 948th primo-ppcg 🇹🇭 650 157 387ms 25 Apr 2020 949th ericlangedijk 🇸🇮 649 138 377ms 17 Mar 2022 950th KasperKivimaeki 🇫🇮 647 96 4,132ms 17 days ago 951st voytxt 🇨🇿 646 47 2,038ms 19 May 2022 952nd Bubbler-4 646 60 567ms 25 Jan 2022 953rd Shanethegamer 🇺🇸 646 167 190ms 21 Jun 2024 954th osmith93 644 73 11ms 31 Jul 2021 954th CatsAreFluffy 644 73 9ms 7 Dec 2022 954th willdaspit 644 73 16ms 5 Aug 2023 954th adamnielson42 🇺🇸 644 73 11ms 24 Aug 2023 954th diquah 644 73 16ms 1 Nov 2023 959th janbehrens 🇩🇪 643 75 53ms 13 Mar 2021 960th Shanethegamer 🇺🇸 642 86 995ms 26 May 2022 First Prev 881–960 of 3,374 Next Last