The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
ASCII Table 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 639th 5cw 🇺🇸 705 96 10ms 13 May 2024 639th Babafaba 705 96 9ms 30 Oct 2025 643rd JPRuskin 🇬🇧 705 97 249ms 1 May 2024 643rd HeyItsGilbert 705 97 288ms 1 May 2024 643rd IISResetMe 705 97 255ms 8 Apr 2025 646th DialFrost 🇸🇬 705 124 2ms 12 Oct 2023 647th JDiLenarda 🇫🇷 705 150 1,280ms 18 Jun 2025 648th madex 🇩🇪 705 188 121ms 26 Jun 2024 649th qwertyuiop3 🇷🇺 704 168 71ms 30 May 2025 650th adyache 🇺🇸 702 171 473ms 5 May 2023 650th Adix-null 🇱🇹 702 171 385ms 1 Nov 2025 652nd snoozingnewt 🇨🇦 700 180 2ms 2 Nov 2025 653rd CaedenHarper 🇨🇦 700 182 705ms 7 Oct 2025 654th clockworknazo 699 63 38ms 29 Oct 2022 655th pilaf 🇦🇷 699 88 43ms 8 Apr 2022 655th lynn 699 88 35ms 28 Feb 2023 655th Natanaelel 🇸🇪 699 88 36ms 22 Jun 2023 658th KatieLG 🇬🇧 698 140 9ms 5 Oct 2025 659th prplz 🇦🇺 698 145 1ms 27 Mar 2022 659th jgbaldwinbrown 698 145 3ms 28 Jun 2022 659th Us1ngTh3Hub 698 145 1ms 21 Jun 2023 659th aevykt 698 145 2ms 29 Oct 2023 663rd snoozingnewt 🇨🇦 698 169 434ms 1 Nov 2025 664th stefangimmillaro 696 122 39ms 9 Jul 2025 665th Shanethegamer 🇺🇸 695 121 71ms 11 May 2025 666th Shanethegamer 🇺🇸 695 129 6ms 23 Apr 2024 667th kkoenig 695 170 518ms 20 Dec 2023 667th dcgjb 695 170 450ms 30 Apr 2025 667th snoozingnewt 🇨🇦 695 170 512ms 1 Nov 2025 670th jerrandolph 695 204 305ms 20 Oct 2023 671st janbehrens 🇩🇪 694 120 6ms 16 Nov 2022 672nd DialFrost 🇸🇬 693 127 4ms 9 Jun 2025 673rd funnyboy-roks 693 146 2ms 15 Jun 2024 674th Steffan153 🇫🇮 692 184 402ms 25 Apr 2023 675th primo-ppcg 🇹🇭 691 89 32ms 31 Mar 2022 676th frosster 691 162 1ms 15 Mar 2025 677th JunkIce 690 94 376ms 13 Feb 2025 678th emgordon154 689 238 1,915ms 13 hours ago 679th BlobTheKat 688 142 8ms 18 Jul 2022 679th janbehrens 🇩🇪 688 142 9ms 16 Nov 2022 681st warmCabin 688 147 1ms 8 Apr 2022 681st CaedenHarper 🇨🇦 688 147 1ms 19 Jan 2025 683rd harshit54 688 206 273ms 3 Oct 2023 684th MeWhenI 🇻🇦 687 149 44ms 4 Sep 2024 685th yishayv 687 172 56ms 22 Jan 2023 686th frnco 686 120 1,100ms 6 Jun 2022 686th snoozingnewt 🇨🇦 686 120 897ms 1 Nov 2025 688th alemelis 685 104 983ms 3 Apr 2023 689th error256 685 131 7ms 18 Aug 2025 690th jeff-at-tamer-dot-codes 🇺🇸 684 99 10ms 21 May 2023 690th Rubiksmath 684 99 10ms 8 Sep 2023 690th CheeseCake628 🇳🇴 684 99 11ms 20 Dec 2023 693rd jipsong 🇩🇪 684 123 73ms 1 May 2025 694th Zxnii 684 148 1ms 24 May 2023 695th snoozingnewt 🇨🇦 684 194 104ms 1 Nov 2025 696th janbehrens 🇩🇪 683 100 247ms 3 Dec 2023 697th KrausRaus 🇺🇸 683 143 9ms 28 Mar 2022 697th didion0 🇺🇸 683 143 8ms 14 Apr 2022 697th tayloia 🇬🇧 683 143 9ms 12 Jan 2023 700th timhaj 🇸🇮 683 173 392ms 2 Aug 2024 701st snoozingnewt 🇨🇦 681 164 113ms 2 Nov 2025 702nd Yewzir 🇧🇪 680 132 6ms 16 Dec 2023 703rd R4z0rX 679 144 10ms 21 Aug 2024 703rd xyangst 679 144 8ms 15 Oct 2024 705th kallmi28 🇨🇿 679 149 2ms 2 Oct 2023 705th MistMech 679 149 2ms 29 Oct 2023 707th SwordF-Official 678 165 2ms 17 Jun 2025 708th CaedenHarper 🇨🇦 678 177 379ms 21 Oct 2025 709th ImpressedByRocks 677 100 10ms 26 May 2022 710th weeble 677 127 4ms 18 Aug 2024 711th GrayJoKing 🇦🇺 676 91 38ms 11 Aug 2024 712th Yewzir 🇧🇪 676 149 4ms 14 May 2023 713th MWI-polygolf 676 160 120ms 29 Dec 2023 714th Babafaba 675 96 369ms 30 Oct 2025 715th Mabeloid 🇳🇴 675 150 2ms 25 Sep 2024 716th Andrey-Plotnikov 674 145 8ms 20 Jun 2025 717th p-vf 🇨🇭 674 178 394ms 13 Jul 2022 718th snoozingnewt 🇨🇦 673 197 135ms 2 Nov 2025 719th clockworknazo 672 130 3ms 27 Aug 2023 720th tlucanti 🇷🇺 672 176 62ms 8 Jan 2024 First Prev 641–720 of 2,217 Next Last