The Calendar hole will go live in approximately 13 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 481st DialFrost 🇸🇬 869 94 112ms 29 Oct 2024 482nd primo-ppcg 🇹🇭 869 114 41ms 23 Jun 2022 483rd DialFrost 🇸🇬 869 153 32ms 28 Oct 2024 484th jmerle 🇳🇱 868 54 17ms 22 Jan 2022 484th Shanethegamer 🇺🇸 868 54 17ms 12 Feb 2023 484th Yewzir 🇧🇪 868 54 16ms 1 May 2023 484th SB-945 868 54 16ms 17 Jul 2023 484th starfihs 868 54 16ms 20 Jul 2024 484th fkantelberg 868 54 16ms 14 Jul 2025 490th ovs-code 🇩🇪 868 69 5ms 3 Feb 2023 491st Steffan153 🇫🇮 868 94 6ms 30 Aug 2024 492nd error256 867 64 8ms 1 Jan 2025 493rd Steffan153 🇫🇮 866 91 172ms 31 Aug 2024 494th SirBogman 🇺🇸 866 102 407ms 21 Feb 2024 495th Herbert00709 🇵🇱 866 117 64ms 4 Apr 2025 496th ovs-code 🇩🇪 861 71 3,763ms 30 Nov 2024 497th edsrzf 🇳🇿 860 48 752ms 4 Sep 2025 498th DialFrost 🇸🇬 860 70 723ms 28 Aug 2024 499th jared-hughes 860 95 21ms 6 Feb 2023 500th xsot 🇸🇬 859 72 2,866ms 7 Sep 2024 501st xsot 🇸🇬 859 95 6ms 25 days ago 502nd SirBogman 🇺🇸 859 118 78ms 20 Feb 2024 502nd jared-hughes 859 118 62ms 18 Sep 2024 504th prplz 🇦🇺 858 56 9ms 14 Jun 2020 504th tomtheisen 🇺🇸 858 56 14ms 8 Oct 2020 504th AlephSquirrel 858 56 9ms 10 Feb 2023 507th rucin93 🇵🇱 857 92 88ms 3 Jul 2025 508th clockworknazo 856 70 265ms 19 Oct 2023 509th lynn 855 137 62ms 4 Aug 2023 510th GrayJoKing 🇦🇺 854 116 43ms 2 Jul 2024 511th orthoplex 🇨🇽 853 44 40ms 31 Mar 2022 512th GrayJoKing 🇦🇺 853 45 30ms 5 Jun 2025 513th MeWhenI 🇻🇦 853 119 1,049ms 16 Dec 2024 514th Ripick 853 126 207ms 24 Jun 2024 515th edre 852 55 10ms 2 May 2018 515th prplz 🇦🇺 852 55 10ms 14 Jun 2020 515th TFeld00 🇩🇰 852 55 10ms 4 Nov 2020 515th Irratix 🇳🇱 852 55 10ms 7 May 2022 515th btjones0 852 55 10ms 15 Jul 2022 515th wen1now 852 55 14ms 7 Nov 2023 515th LostSyntax21 🇬🇧 852 55 11ms 22 Aug 2024 515th madeforlosers 852 55 12ms 5 Sep 2024 515th 5cw 🇺🇸 852 55 12ms 17 Nov 2024 515th agreegious 852 55 11ms 16 Mar 2025 515th AstroOrbis 852 55 12ms 1 Jul 2025 515th piano-miles 852 55 10ms 2 Aug 2025 527th primo-ppcg 🇹🇭 849 98 208ms 10 Dec 2022 528th MeWhenI 🇻🇦 849 138 43ms 7 Jun 2023 529th DialFrost 🇸🇬 848 93 163ms 18 Oct 2024 530th emplv 🇱🇻 847 73 1,290ms 26 Jan 2023 530th Steffan153 🇫🇮 847 73 2,217ms 29 Aug 2024 532nd dvargas46 🇺🇸 845 72 2,147ms 9 Mar 2023 532nd DialFrost 🇸🇬 845 72 2,430ms 19 Sep 2024 534th m-tkach 🇺🇦 844 120 69ms 15 Dec 2022 535th jbt 843 57 9ms 26 Dec 2023 535th madeforlosers 843 57 12ms 5 Sep 2024 535th LostSyntax21 🇬🇧 843 57 11ms 1 Dec 2024 535th Ultra814 843 57 9ms 20 Sep 2025 539th MeWhenI 🇻🇦 843 114 108ms 15 Jul 2023 540th ovs-code 🇩🇪 840 139 453ms 27 Mar 2025 541st sean-niemann 🇺🇸 840 150 274ms 11 Jan 2025 542nd Kacarott 🇦🇺 837 45 146ms 13 Sep 2024 543rd Herbert00709 🇵🇱 837 56 19ms 5 May 2024 543rd croc54 837 56 9ms 1 Dec 2024 545th SirBogman 🇺🇸 834 45 44ms 29 Jan 2024 545th emgordon154 834 45 48ms 10 May 2025 547th primo-ppcg 🇹🇭 834 55 12ms 30 Jan 2022 548th FortuiteMan 🇫🇷 834 59 8ms 12 Nov 2025 549th edsrzf 🇳🇿 834 96 131ms 15 days ago 549th snoozingnewt 🇨🇦 834 96 114ms 11 days ago 551st emplv 🇱🇻 834 151 282ms 26 Jan 2023 552nd primo-ppcg 🇹🇭 833 24 61ms 10 Dec 2022 552nd saito-ta 🇯🇵 833 24 49ms 4 Aug 2023 554th sean-niemann 🇺🇸 833 119 78ms 21 Mar 2025 555th andersk 🇺🇸 833 126 132ms 28 Nov 2022 556th tidalDisruptionEvent 🇨🇦 832 34 230ms 2 Apr 2023 557th MeWhenI 🇻🇦 830 122 72ms 15 Jul 2023 558th ovs-code 🇩🇪 829 34 178ms 4 Jan 2024 559th emgordon154 829 93 499ms 26 May 2025 560th MeWhenI 🇻🇦 829 152 278ms 10 Feb 2023 First Prev 481–560 of 3,337 Next Last