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 480th Irratix 🇳🇱 877 55 8ms 16 Apr 2021 480th jared-hughes 877 55 9ms 6 Oct 2021 480th emgordon154 877 55 9ms 10 May 2025 480th 52525rr 877 55 9ms 9 Sep 2025 485th xsot 🇸🇬 877 69 303ms 25 Aug 2024 486th primo-ppcg 🇹🇭 877 110 117ms 22 Jan 2020 487th GrayJoKing 🇦🇺 877 123 188ms 2 Feb 2024 488th error256 872 64 8ms 1 Jan 2025 489th xsot 🇸🇬 872 95 6ms 23 Nov 2025 490th primo-ppcg 🇹🇭 872 114 41ms 23 Jun 2022 491st DialFrost 🇸🇬 871 153 32ms 28 Oct 2024 492nd edsrzf 🇳🇿 870 48 752ms 4 Sep 2025 493rd Steffan153 🇫🇮 870 91 172ms 31 Aug 2024 494th galloj 🇨🇿 869 685 83ms 1 Mar 2023 495th Herbert00709 🇵🇱 868 117 61ms 4 Apr 2025 496th ovs-code 🇩🇪 866 71 3,253ms 30 Nov 2024 497th DialFrost 🇸🇬 865 70 723ms 28 Aug 2024 498th GrayJoKing 🇦🇺 862 45 30ms 5 Jun 2025 499th xsot 🇸🇬 862 72 2,927ms 7 Sep 2024 500th prplz 🇦🇺 861 56 9ms 14 Jun 2020 500th tomtheisen 🇺🇸 861 56 14ms 8 Oct 2020 500th AlephSquirrel 861 56 9ms 10 Feb 2023 503rd rucin93 🇵🇱 861 92 88ms 3 Jul 2025 504th SirBogman 🇺🇸 861 118 61ms 20 Feb 2024 504th jared-hughes 861 118 62ms 18 Sep 2024 506th orthoplex 🇨🇽 858 44 41ms 31 Mar 2022 507th lynn 858 137 62ms 4 Aug 2023 508th GrayJoKing 🇦🇺 857 116 43ms 2 Jul 2024 509th primo-ppcg 🇹🇭 856 55 12ms 30 Jan 2022 510th MeWhenI 🇻🇦 856 119 1,049ms 16 Dec 2024 511th Ripick 856 126 207ms 24 Jun 2024 512th edre 854 55 10ms 2 May 2018 512th wen1now 854 55 14ms 7 Nov 2023 512th LostSyntax21 🇬🇧 854 55 11ms 22 Aug 2024 512th madeforlosers 854 55 12ms 5 Sep 2024 512th 5cw 🇺🇸 854 55 12ms 17 Nov 2024 512th agreegious 854 55 11ms 16 Mar 2025 512th yujh-yujh 🇬🇸 854 55 12ms 4 Apr 2025 512th AstroOrbis 854 55 12ms 1 Jul 2025 520th DialFrost 🇸🇬 852 93 163ms 18 Oct 2024 521st primo-ppcg 🇹🇭 852 98 208ms 10 Dec 2022 522nd MeWhenI 🇻🇦 852 138 43ms 7 Jun 2023 523rd emplv 🇱🇻 851 73 1,366ms 26 Jan 2023 523rd Steffan153 🇫🇮 851 73 2,411ms 29 Aug 2024 525th dvargas46 🇺🇸 849 72 1,550ms 9 Mar 2023 525th DialFrost 🇸🇬 849 72 1,920ms 19 Sep 2024 527th m-tkach 🇺🇦 847 120 61ms 15 Dec 2022 528th jbt 846 57 9ms 26 Dec 2023 528th madeforlosers 846 57 12ms 5 Sep 2024 528th LostSyntax21 🇬🇧 846 57 11ms 1 Dec 2024 528th Ultra814 846 57 9ms 20 Sep 2025 532nd MeWhenI 🇻🇦 846 114 108ms 15 Jul 2023 533rd Kacarott 🇦🇺 845 45 146ms 13 Sep 2024 534th tidalDisruptionEvent 🇨🇦 844 36 199ms 2 Apr 2023 535th ovs-code 🇩🇪 843 139 453ms 27 Mar 2025 536th sean-niemann 🇺🇸 842 150 274ms 11 Jan 2025 537th SirBogman 🇺🇸 839 45 48ms 29 Jan 2024 537th emgordon154 839 45 36ms 10 May 2025 539th croc54 839 56 9ms 1 Dec 2024 540th edsrzf 🇳🇿 838 98 126ms 22 days ago 540th snoozingnewt 🇨🇦 838 98 114ms 18 days ago 542nd SirBogman 🇺🇸 836 99 4ms 20 Feb 2024 542nd jared-hughes 836 99 6ms 18 Sep 2024 542nd Herbert00709 🇵🇱 836 99 7ms 4 Apr 2025 545th sean-niemann 🇺🇸 836 119 78ms 21 Mar 2025 546th emplv 🇱🇻 836 151 282ms 26 Jan 2023 547th DialFrost 🇸🇬 835 50 754ms 29 Aug 2025 548th andersk 🇺🇸 835 126 132ms 28 Nov 2022 549th MeWhenI 🇻🇦 833 122 60ms 15 Jul 2023 550th primo-ppcg 🇹🇭 832 34 152ms 6 Dec 2020 551st emgordon154 832 93 499ms 26 May 2025 552nd neel11235813 830 31 37ms 16 Feb 2023 552nd MeWhenI 🇻🇦 830 31 37ms 16 Apr 2023 552nd o0lit3 🇺🇸 830 31 37ms 7 Jun 2023 555th FortuiteMan 🇫🇷 829 62 8ms 12 Nov 2025 556th Steffan153 🇫🇮 829 73 170ms 29 Aug 2024 557th stefangimmillaro 829 127 130ms 4 Jun 2025 558th MeWhenI 🇻🇦 827 116 19ms 21 Jul 2023 559th DialFrost 🇸🇬 826 57 27ms 24 Mar 2025 560th MeWhenI 🇻🇦 824 29 42ms 26 Jul 2022 First Prev 481–560 of 3,372 Next Last