The Calendar hole will go live in approximately 6 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 321st Lydxn 🇨🇦 923 51 36ms 9 Jan 2022 322nd DialFrost 🇸🇬 923 78 339ms 6 days ago 323rd Lydxn 🇨🇦 923 97 391ms 29 Dec 2021 324th ovs-code 🇩🇪 923 114 156ms 20 Apr 2025 325th GrayJoKing 🇦🇺 922 51 79ms 29 May 2022 325th Steffan153 🇫🇮 922 51 77ms 21 Jun 2024 327th JayXon 🇺🇸 922 137 273ms 5 Apr 2025 328th MeWhenI 🇻🇦 921 41 82ms 8 Oct 2022 328th janlelis 921 41 84ms 4 Dec 2023 328th ovs-code 🇩🇪 921 41 51ms 29 Aug 2024 331st stefangimmillaro 921 60 938ms 26 Dec 2024 332nd JayXon 🇺🇸 921 84 479ms 12 Mar 2022 332nd Lydxn 🇨🇦 921 84 480ms 26 Jul 2022 332nd sean-niemann 🇺🇸 921 84 510ms 7 Jun 2024 332nd Steffan153 🇫🇮 921 84 510ms 21 Jul 2024 332nd ovs-code 🇩🇪 921 84 502ms 21 Jul 2024 337th NewDefectus 🇮🇱 920 25 40ms 18 Dec 2021 337th jared-hughes 920 25 41ms 22 Jan 2023 339th ovs-code 🇩🇪 919 26 42ms 16 May 2024 340th andersk 🇺🇸 919 28 37ms 4 Mar 2023 340th BREMAUCY 🇫🇷 919 28 36ms 25 Oct 2024 340th snoozingnewt 🇨🇦 919 28 37ms 14 Sep 2025 343rd pardouin 🇫🇷 918 67 3,254ms 4 Dec 2024 343rd JayXon 🇺🇸 918 67 3,230ms 2 Jan 2025 345th JayXon 🇺🇸 918 91 250ms 6 Apr 2025 346th jared-hughes 918 99 33ms 39 hours ago 346th sean-niemann 🇺🇸 918 99 34ms 3 hours ago 348th JayXon 🇺🇸 918 105 146ms 22 Apr 2025 349th MeWhenI 🇻🇦 917 56 6ms 23 Nov 2025 350th canissimia 🇦🇶 917 265 179ms 8 Mar 2024 351st Steffan153 🇫🇮 915 61 17ms 18 Feb 2024 352nd JayXon 🇺🇸 915 89 101ms 16 Oct 2022 352nd emplv 🇱🇻 915 89 101ms 8 Dec 2022 352nd Lydxn 🇨🇦 915 89 101ms 2 Mar 2023 355th HPWiz 🇳🇿 915 93 2,224ms 7 Mar 2025 356th KasperKivimaeki 🇫🇮 915 111 69ms 18 Nov 2024 357th JayXon 🇺🇸 915 115 151ms 5 Apr 2025 358th DialFrost 🇸🇬 915 138 264ms 5 Sep 2024 359th btnlq 914 42 267ms 1 Jan 2021 359th Lydxn 🇨🇦 914 42 242ms 4 Jan 2022 359th DialFrost 🇸🇬 914 42 241ms 7 Jun 2024 359th Steffan153 🇫🇮 914 42 253ms 10 Aug 2024 359th bitsandbeyond 🇳🇱 914 42 257ms 20 Oct 2025 364th primo-ppcg 🇹🇭 914 58 117ms 30 Dec 2018 364th xnor-gate 914 58 119ms 4 Jun 2021 364th ovs-code 🇩🇪 914 58 123ms 19 Jan 2023 367th edsrzf 🇳🇿 914 61 40ms 30 Dec 2024 367th DialFrost 🇸🇬 914 61 41ms 13 Feb 2025 367th kg583 🇺🇸 914 61 40ms 14 Feb 2025 367th zacjl 914 61 45ms 16 May 2025 371st primo-ppcg 🇹🇭 914 118 151ms 6 Aug 2024 372nd sisyphus-ppcg 🇦🇺 913 68 2,658ms 29 Aug 2024 373rd GrayJoKing 🇦🇺 912 31 150ms 27 Jan 2021 374th ovs-code 🇩🇪 912 69 5ms 3 Feb 2023 374th DialFrost 🇸🇬 912 69 9ms 23 Aug 2024 376th btnlq 912 92 43ms 24 Sep 2022 377th DialFrost 🇸🇬 912 109 51ms 23 Oct 2024 378th DialFrost 🇸🇬 911 85 473ms 7 Jun 2024 379th DialFrost 🇸🇬 911 112 485ms 26 Sep 2025 380th tayloia 🇬🇧 910 53 11ms 7 Apr 2025 381st sean-niemann 🇺🇸 910 87 171ms 19 Nov 2025 382nd primo-ppcg 🇹🇭 910 91 4ms 24 Aug 2020 382nd ovs-code 🇩🇪 910 91 206ms 24 Aug 2023 382nd inventshah 910 91 7ms 29 Jan 2024 382nd sisyphus-ppcg 🇦🇺 910 91 6ms 4 Sep 2024 382nd DialFrost 🇸🇬 910 91 5ms 4 Sep 2024 387th primo-ppcg 🇹🇭 909 179 1,142ms 4 Oct 2020 388th DialFrost 🇸🇬 908 92 193ms 4 Sep 2024 389th primo-ppcg 🇹🇭 908 97 77ms 6 Aug 2023 390th GrayJoKing 🇦🇺 908 100 35ms 2 hours ago 391st primo-ppcg 🇹🇭 907 112 58ms 18 Jan 2022 391st nwellnhof 🇩🇪 907 112 58ms 25 Jan 2022 393rd primo-ppcg 🇹🇭 907 116 128ms 5 Apr 2025 394th marshallward 🇺🇸 906 98 42ms 28 Jun 2023 394th DialFrost 🇸🇬 906 98 53ms 26 Apr 2025 396th GrayJoKing 🇦🇺 906 106 37ms 3 Aug 2023 397th m-tkach 🇺🇦 906 147 423ms 30 Oct 2024 398th ovs-code 🇩🇪 905 42 77ms 12 Sep 2024 399th annaproxy 905 52 31ms 27 Oct 2023 400th Lydxn 🇨🇦 905 61 1,313ms 5 Aug 2023 First Prev 321–400 of 3,371 Next Last