The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
𝑒 in all languages in chars. 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 Chars Time Submitted 880th trist224 🇫🇷 669 70 16ms 16 Nov 2022 880th eiburns 669 70 16ms 7 Dec 2022 880th falsidge 669 70 19ms 21 Jun 2023 880th Vaekor 669 70 16ms 9 Jul 2023 880th MaxElf999 669 70 14ms 7 Aug 2023 880th RobertHoeh 669 70 9ms 29 Mar 2024 887th emgordon154 669 157 125ms 26 Feb 2025 888th MeWhenI 🇻🇦 668 118 142ms 10 Oct 2023 889th SpareManiKatti 667 72 10ms 11 Sep 2021 889th DayDun 🇸🇪 667 72 31ms 22 Jan 2023 889th Yax42 🇫🇷 667 72 115ms 5 Sep 2025 892nd sisyphus-ppcg 🇦🇺 665 101 761ms 22 days ago 893rd madex 🇩🇪 664 123 4ms 20 Feb 2024 894th janbehrens 🇩🇪 664 133 467ms 21 Nov 2021 895th inventshah 663 126 80ms 13 Sep 2022 896th stefangimmillaro 663 152 445ms 6 Oct 2025 897th SirBogman 🇺🇸 662 58 461ms 20 Feb 2024 898th MeWhenI 🇻🇦 661 317 87ms 29 Aug 2023 899th stordev 660 71 17ms 26 Feb 2021 899th CedricGebistorf 660 71 23ms 9 Mar 2022 899th Andrewjake 660 71 16ms 16 May 2022 899th AlexanderFair 660 71 15ms 3 Aug 2023 899th griffinschreiber 660 71 9ms 3 Nov 2024 904th emgordon154 660 84 36ms 7 Dec 2024 905th Shanethegamer 🇺🇸 659 87 1,335ms 18 Jan 2023 906th janbehrens 🇩🇪 659 117 575ms 1 May 2023 907th ktiy 659 211 1,905ms 30 May 2024 908th dokutan 658 43 2,037ms 26 Mar 2023 909th p01 658 73 12ms 25 Jul 2025 910th Shanethegamer 🇺🇸 656 160 127ms 28 Jan 2022 911th grondilu 655 43 163ms 26 Mar 2023 912th iczelia 🇩🇪 655 92 63ms 21 Sep 2025 913th Lydxn 🇨🇦 655 154 402ms 15 Sep 2024 914th msbranicky 651 67 380ms 16 Jan 2024 914th Stockoh 🇫🇷 651 67 360ms 24 Jun 2024 916th petar-donchev 651 72 33ms 2 Sep 2019 916th geofft 651 72 10ms 13 Dec 2020 916th SniperSmiley 🇺🇸 651 72 23ms 19 Jul 2022 916th Unknownuserfrommars 651 72 16ms 21 Nov 2024 920th Irratix 🇳🇱 651 81 120ms 16 Nov 2021 920th Shanethegamer 🇺🇸 651 81 119ms 26 May 2022 920th CatsAreFluffy 651 81 118ms 7 Dec 2022 923rd Waffle3z 651 139 88ms 8 Apr 2022 924th emgordon154 650 94 4,163ms 10 May 2025 925th uttumuttu 🇫🇮 649 74 116ms 6 Mar 2022 925th thadeucity 649 74 9ms 26 May 2025 927th rowan-OzRunways 649 148 142ms 15 Aug 2020 927th snoozingnewt 🇨🇦 649 148 277ms 20 Nov 2025 929th albanian-laundromat 649 180 436ms 18 Oct 2025 930th Alex-x90 🇺🇸 648 126 4ms 29 Jan 2024 930th emgordon154 648 126 29ms 25 Feb 2025 932nd proton 🇩🇪 647 58 39ms 8 Jun 2020 932nd dokutan 647 58 46ms 4 Oct 2024 932nd Lv0Sys 🇵🇱 647 58 37ms 27 May 2025 935th primo-ppcg 🇹🇭 646 156 405ms 25 Apr 2020 936th CaedenHarper 🇨🇦 645 31 45ms 16 Jul 2025 937th KasperKivimaeki 🇫🇮 644 96 4,948ms 13 days ago 938th Shanethegamer 🇺🇸 644 167 190ms 21 Jun 2024 939th janbehrens 🇩🇪 643 127 4ms 15 May 2023 940th osmith93 642 73 11ms 31 Jul 2021 940th CatsAreFluffy 642 73 9ms 7 Dec 2022 940th willdaspit 642 73 16ms 5 Aug 2023 940th adamnielson42 🇺🇸 642 73 11ms 24 Aug 2023 940th diquah 642 73 16ms 1 Nov 2023 945th janbehrens 🇩🇪 641 75 53ms 13 Mar 2021 946th SirFireball3521 640 44 341ms 13 Feb 2023 947th Bubbler-4 640 60 567ms 25 Jan 2022 948th ericlangedijk 🇸🇮 640 138 377ms 17 Mar 2022 949th Shanethegamer 🇺🇸 639 86 995ms 26 May 2022 950th madex 🇩🇪 639 105 216ms 15 Sep 2025 951st leon-w 633 74 178ms 4 Jan 2019 951st LogicalJoe 633 74 9ms 13 Apr 2023 951st wuzekai518 633 74 14ms 12 Jun 2024 954th luuumine 🇫🇷 633 129 4ms 22 days ago 955th Alex-x90 🇺🇸 633 160 73ms 16 Oct 2022 955th CatsAreFluffy 633 160 64ms 6 Feb 2023 957th bendiscz 633 199 291ms 20 Apr 2020 958th cduerm 630 200 285ms 12 May 2020 959th voytxt 🇨🇿 629 45 2,038ms 19 May 2022 960th MeWhenI 🇻🇦 627 97 2,131ms 22 Nov 2023 First Prev 881–960 of 3,333 Next Last