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 881st DrPiranoid 677 150 443ms 12 Mar 2023 881st janbehrens 🇩🇪 677 150 470ms 15 May 2023 883rd dokutan 675 45 2,419ms 26 Mar 2023 884th purp 674 56 40ms 13 Aug 2022 885th MeWhenI 🇻🇦 674 82 868ms 11 May 2023 886th Dadoum 673 115 475ms 3 Mar 2022 887th madex 🇩🇪 673 123 4ms 20 Feb 2024 888th janbehrens 🇩🇪 673 133 467ms 21 Nov 2021 889th lucky-lilypad 673 151 84ms 17 Jan 2022 890th lovernj 671 70 16ms 7 Feb 2022 890th trist224 🇫🇷 671 70 16ms 16 Nov 2022 890th eiburns 671 70 16ms 7 Dec 2022 890th falsidge 671 70 19ms 21 Jun 2023 890th Vaekor 671 70 16ms 9 Jul 2023 890th MaxElf999 671 70 14ms 7 Aug 2023 890th RobertHoeh 671 70 9ms 29 Mar 2024 897th MeWhenI 🇻🇦 671 118 142ms 10 Oct 2023 898th SpareManiKatti 670 72 10ms 11 Sep 2021 898th DayDun 🇸🇪 670 72 31ms 22 Jan 2023 898th Yax42 🇫🇷 670 72 115ms 5 Sep 2025 901st emgordon154 670 157 125ms 26 Feb 2025 902nd SirBogman 🇺🇸 669 58 461ms 20 Feb 2024 903rd KatieLG 🇬🇧 669 67 332ms 15 Jan 2024 903rd msbranicky 669 67 380ms 16 Jan 2024 903rd Stockoh 🇫🇷 669 67 360ms 24 Jun 2024 903rd HumanoidCPU 669 67 455ms 14 Aug 2024 903rd dokutan 669 67 355ms 3 Oct 2024 908th stefangimmillaro 667 153 445ms 6 Oct 2025 909th KasperKivimaeki 🇫🇮 666 108 443ms 25 Nov 2024 910th inventshah 666 126 80ms 13 Sep 2022 911th MeWhenI 🇻🇦 666 894 4ms 25 May 2022 912th ktiy 665 211 1,905ms 30 May 2024 913th emgordon154 664 84 36ms 7 Dec 2024 914th Shanethegamer 🇺🇸 663 87 1,335ms 18 Jan 2023 915th MeWhenI 🇻🇦 663 317 87ms 29 Aug 2023 916th stordev 662 71 17ms 26 Feb 2021 916th CedricGebistorf 662 71 23ms 9 Mar 2022 916th Andrewjake 662 71 16ms 16 May 2022 916th AlexanderFair 662 71 15ms 3 Aug 2023 916th griffinschreiber 662 71 9ms 3 Nov 2024 921st janbehrens 🇩🇪 662 117 575ms 1 May 2023 922nd p01 661 73 12ms 25 Jul 2025 923rd iczelia 🇩🇪 658 92 63ms 21 Sep 2025 924th Lydxn 🇨🇦 658 155 402ms 15 Sep 2024 925th Shanethegamer 🇺🇸 658 160 127ms 28 Jan 2022 926th Alex-x90 🇺🇸 657 126 4ms 29 Jan 2024 926th emgordon154 657 126 29ms 25 Feb 2025 928th Irratix 🇳🇱 654 81 120ms 16 Nov 2021 928th Shanethegamer 🇺🇸 654 81 119ms 26 May 2022 928th CatsAreFluffy 654 81 118ms 7 Dec 2022 931st emgordon154 654 94 4,163ms 10 May 2025 932nd petar-donchev 653 72 33ms 2 Sep 2019 932nd geofft 653 72 10ms 13 Dec 2020 932nd enbyte 653 72 23ms 4 Jun 2021 932nd SniperSmiley 🇺🇸 653 72 23ms 19 Jul 2022 932nd Unknownuserfrommars 653 72 16ms 21 Nov 2024 937th uttumuttu 🇫🇮 652 74 116ms 6 Mar 2022 937th thadeucity 652 74 9ms 26 May 2025 939th janbehrens 🇩🇪 652 127 4ms 15 May 2023 940th proton 🇩🇪 651 58 42ms 8 Jun 2020 940th Lv0Sys 🇵🇱 651 58 37ms 27 May 2025 942nd rowan-OzRunways 651 148 142ms 15 Aug 2020 942nd snoozingnewt 🇨🇦 651 148 277ms 20 Nov 2025 944th albanian-laundromat 651 180 436ms 18 Oct 2025 945th primo-ppcg 🇹🇭 650 157 387ms 25 Apr 2020 946th ericlangedijk 🇸🇮 649 138 377ms 17 Mar 2022 947th KasperKivimaeki 🇫🇮 647 96 4,948ms 13 days ago 948th voytxt 🇨🇿 646 47 2,731ms 19 May 2022 949th Bubbler-4 646 60 567ms 25 Jan 2022 950th Shanethegamer 🇺🇸 646 167 190ms 21 Jun 2024 951st osmith93 644 73 11ms 31 Jul 2021 951st CatsAreFluffy 644 73 9ms 7 Dec 2022 951st willdaspit 644 73 16ms 5 Aug 2023 951st adamnielson42 🇺🇸 644 73 11ms 24 Aug 2023 951st diquah 644 73 16ms 1 Nov 2023 956th janbehrens 🇩🇪 643 75 53ms 13 Mar 2021 957th Shanethegamer 🇺🇸 642 86 995ms 26 May 2022 958th luuumine 🇫🇷 642 129 4ms 22 days ago 959th yzhs 🇩🇪 635 74 10ms 27 Jan 2020 959th LogicalJoe 635 74 9ms 13 Apr 2023 First Prev 881–960 of 3,368 Next Last