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 770th CarsonChr 🇺🇸 701 67 17ms 20 Sep 2022 770th za3k 701 67 11ms 28 Oct 2022 770th aksyristos 701 67 16ms 30 Oct 2022 770th Omega65536 🇩🇪 701 67 16ms 23 Nov 2022 770th scpchicken 🇵🇼 701 67 16ms 31 Dec 2022 770th SucukMitEi 701 67 16ms 7 Jan 2023 770th klixel 🇨🇦 701 67 16ms 21 May 2023 770th trinityy-7 701 67 16ms 13 Jun 2023 770th msbranicky 701 67 16ms 10 Jul 2023 770th cingulataluke 701 67 17ms 26 Aug 2023 770th Stockoh 🇫🇷 701 67 16ms 5 Nov 2023 770th keelimeguy 🇺🇸 701 67 17ms 6 Nov 2023 770th smokestacklightnin 🇺🇸 701 67 17ms 29 Dec 2023 770th Dataen 701 67 18ms 12 Jan 2024 770th zwxzwxzwx21 701 67 16ms 7 Feb 2024 770th jfallon1997 701 67 16ms 25 Apr 2024 770th stertooy 🇧🇪 701 67 16ms 11 Jun 2024 770th HumanoidCPU 701 67 9ms 14 Aug 2024 770th jatloe 701 67 16ms 23 Aug 2024 770th dokutan 701 67 16ms 3 Oct 2024 770th JonahEMorgan 701 67 17ms 9 Nov 2024 770th desecaw13 701 67 16ms 24 Jan 2025 770th gigaprofisi 🇺🇸 701 67 16ms 2 Mar 2025 770th 0dyse 701 67 16ms 23 Apr 2025 770th codewrite 🇬🇧 701 67 16ms 25 May 2025 770th Flekay 🇩🇪 701 67 17ms 10 Jul 2025 770th sainiayush 701 67 17ms 14 Jul 2025 770th LuisGoncalves05 🇵🇹 701 67 16ms 27 Jul 2025 770th cthierfelder 🇲🇨 701 67 17ms 7 Aug 2025 770th jacekwladzinski 701 67 17ms 6 Oct 2025 770th nulzo 701 67 16ms 17 Oct 2025 770th Andrey2001 701 67 16ms 9 days ago 833rd KasperKivimaeki 🇫🇮 701 180 250ms 14 days ago 834th retrohun 701 849 28ms 4 Jan 2023 835th albanian-laundromat 700 64 389ms 9 Aug 2025 836th m-tkach 🇺🇦 699 54 48ms 12 Dec 2022 837th cywong-amino 🇭🇰 699 69 10ms 30 May 2020 837th doge1338 699 69 52ms 22 Mar 2021 837th coreynash 699 69 12ms 21 Mar 2024 840th SirBogman 🇺🇸 693 45 183ms 29 Jan 2024 841st cure-honey 🇯🇵 693 152 124ms 5 Jul 2021 842nd lifthrasiir 🇰🇷 692 56 293ms 17 Dec 2024 843rd 4hg 🇺🇸 691 55 89ms 16 Sep 2023 844th msrawson 691 68 16ms 30 Aug 2018 844th skps2010 691 68 16ms 1 Jan 2019 844th rschwa6308 🇺🇸 691 68 16ms 30 Mar 2019 844th daedals 691 68 18ms 5 Jun 2019 844th Matistjati 691 68 17ms 2 Dec 2019 844th jmhowl 691 68 17ms 19 Jan 2020 844th OllieBoyne 🇬🇧 691 68 16ms 4 Jul 2020 844th forlack 691 68 17ms 8 Nov 2021 844th aiarzhantsev 691 68 17ms 14 Oct 2022 844th jtaxen 691 68 17ms 4 Jan 2023 844th atazzam 🇺🇸 691 68 16ms 5 Mar 2023 844th crispshaker 691 68 18ms 18 Mar 2023 844th roupiq 🇵🇱 691 68 17ms 18 Apr 2024 844th ei14 691 68 9ms 7 May 2024 844th NoneTheFewer 691 68 18ms 17 May 2024 859th puyuliao 691 147 415ms 24 Oct 2023 860th ArmaanAS 689 70 10ms 1 Apr 2021 860th Shanethegamer 🇺🇸 689 70 10ms 26 May 2022 862nd MeWhenI 🇻🇦 688 88 62ms 15 Jul 2023 863rd rucin93 🇵🇱 688 153 123ms 25 Aug 2024 864th sk- 687 55 50ms 12 Sep 2019 864th pilaf 🇦🇷 687 55 58ms 14 Apr 2022 866th prplz 🇦🇺 686 56 478ms 14 Jun 2020 867th madex 🇩🇪 685 105 216ms 15 Sep 2025 868th jslip 684 56 23ms 8 Sep 2018 869th Irratix 🇳🇱 684 121 3ms 25 Dec 2021 869th prestosilver 🇺🇸 684 121 6ms 24 Nov 2025 871st jwonagel 684 131 395ms 3 Oct 2023 872nd ktiy 684 154 129ms 11 Apr 2022 873rd SniperSmiley 🇺🇸 683 35 558ms 9 Nov 2022 873rd AlephSquirrel 683 35 43ms 10 Feb 2023 875th knutae 🇳🇴 681 69 11ms 29 Nov 2021 875th inverseLorentz 🇦🇺 681 69 13ms 8 Oct 2023 875th CutSandstone 681 69 12ms 3 Jul 2024 875th cros107 🇦🇺 681 69 9ms 30 Dec 2024 879th MeWhenI 🇻🇦 679 56 79ms 2 Nov 2023 880th cure-honey 🇯🇵 679 142 145ms 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