The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Billiards 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 161st MostParsingVex 758 227 4ms 19 Dec 2024 162nd ovs-code 🇩🇪 757 131 9ms 1 Dec 2024 162nd nwellnhof 🇩🇪 757 131 10ms 16 Jul 2025 164th Artemis21 🇬🇧 755 124 20ms 10 Jan 2025 165th emgordon154 754 247 277ms 17 Jan 2025 166th dokutan 751 229 5ms 15 days ago 167th ovs-code 🇩🇪 750 117 887ms 1 Dec 2024 168th ovs-code 🇩🇪 749 165 114ms 7 days ago 169th Shanethegamer 🇺🇸 744 205 382ms 4 Jun 2025 170th GolfingSuccess 🇬🇷 742 192 10ms 3 Jan 2025 171st weliveinhell 🇭🇹 742 251 271ms 14 Dec 2024 172nd stefangimmillaro 739 213 427ms 2 Dec 2024 172nd sean-niemann 🇺🇸 739 213 383ms 8 Dec 2024 174th AlephSquirrel 731 181 30ms 20 Jan 2025 175th SirBogman 🇺🇸 727 66 32ms 18 Jul 2025 176th edsrzf 🇳🇿 727 182 17ms 30 Sep 2025 177th Natanaelel 🇸🇪 725 196 151ms 2 Dec 2024 178th nwellnhof 🇩🇪 723 118 294ms 18 Jul 2025 179th albanian-laundromat 722 318 55ms 11 days ago 180th lifthrasiir 🇰🇷 721 267 223ms 1 Dec 2024 181st edsrzf 🇳🇿 720 229 7ms 4 Jul 2025 182nd MeWhenI 🇻🇦 716 228 45ms 9 May 2025 183rd edsrzf 🇳🇿 715 208 4,988ms 8 Jul 2025 184th CaedenHarper 🇨🇦 714 135 764ms 23 Oct 2025 185th Shanethegamer 🇺🇸 714 199 169ms 2 Dec 2024 186th albanian-laundromat 710 126 3,603ms 4 Aug 2025 187th emgordon154 709 174 5ms 27 Dec 2024 188th sean-niemann 🇺🇸 708 180 18ms 8 Dec 2024 189th targrik 703 141 10ms 27 Mar 2025 190th ovs-code 🇩🇪 702 101 40ms 5 Dec 2024 191st nwellnhof 🇩🇪 696 102 38ms 10 Jul 2025 192nd Yax42 🇫🇷 694 143 9ms 12 Sep 2025 193rd snoozingnewt 🇨🇦 693 135 13ms 27 days ago 194th MeWhenI 🇻🇦 691 213 166ms 29 Apr 2025 195th saito-ta 🇯🇵 690 58 92ms 1 Dec 2024 196th Natanaelel 🇸🇪 686 70 40ms 19 Dec 2024 197th stefangimmillaro 684 145 10ms 2 Dec 2024 198th snoozingnewt 🇨🇦 683 131 397ms 27 days ago 199th KasperKivimaeki 🇫🇮 677 275 264ms 10 Oct 2025 200th MeWhenI 🇻🇦 676 105 37ms 3 Jan 2025 201st tomtheisen 🇺🇸 676 233 384ms 28 Jan 2025 202nd SirBogman 🇺🇸 675 118 222ms 15 Jul 2025 203rd CaedenHarper 🇨🇦 675 223 478ms 16 days ago 204th KatieLG 🇬🇧 673 139 2,629ms 25 May 2025 205th CaedenHarper 🇨🇦 670 235 416ms 16 Oct 2025 206th Salutations45 666 149 9ms 1 Dec 2024 207th keelimeguy 🇺🇸 664 141 31ms 14 Jun 2025 208th error256 663 107 48ms 3 Dec 2024 208th tatzyr 🇯🇵 663 107 2,799ms 15 Feb 2025 210th emgordon154 663 230 372ms 3 Dec 2024 211th emgordon154 661 150 10ms 1 Dec 2024 212th CaedenHarper 🇨🇦 661 276 465ms 5 Oct 2025 213th helbling 🇨🇭 657 151 9ms 27 Nov 2024 214th ovs-code 🇩🇪 656 61 164ms 6 Dec 2024 215th CaedenHarper 🇨🇦 656 197 3ms 16 days ago 216th Shanethegamer 🇺🇸 645 136 868ms 3 Dec 2024 217th KatieLG 🇬🇧 644 139 2,651ms 6 Oct 2025 218th edsrzf 🇳🇿 644 221 42ms 30 Dec 2024 219th MostParsingVex 644 256 3ms 18 Jan 2025 220th Natanaelel 🇸🇪 639 69 2ms 2 Dec 2024 221st Natanaelel 🇸🇪 639 111 38ms 2 Dec 2024 222nd Shanethegamer 🇺🇸 633 209 10ms 3 Dec 2024 223rd luuumine 🇫🇷 632 148 11ms 21 Oct 2025 224th stefangimmillaro 628 113 57ms 26 Dec 2024 225th Kacarott 🇦🇺 622 167 80ms 19 Nov 2025 226th FortuiteMan 🇫🇷 620 151 15ms 7 Jul 2025 227th emplv 🇱🇻 611 149 140ms 25 Oct 2025 228th FlorianCassayre 🇫🇷 608 154 14ms 5 Aug 2025 229th MeWhenI 🇻🇦 607 245 4,415ms 2 Dec 2024 230th emgordon154 606 117 40ms 1 Dec 2024 231st ovs-code 🇩🇪 604 155 41ms 29 Nov 2024 231st xnor-gate 604 155 86ms 26 Feb 2025 233rd Shanethegamer 🇺🇸 601 118 38ms 2 Dec 2024 234th lifthrasiir 🇰🇷 601 165 9ms 26 Nov 2024 235th edsrzf 🇳🇿 597 174 65ms 31 Jul 2025 236th nwellnhof 🇩🇪 596 157 27ms 18 Jul 2025 237th MostParsingVex 596 276 4ms 28 Dec 2024 238th albanian-laundromat 596 361 30ms 23 days ago 239th BREMAUCY 🇫🇷 594 637 14ms 3 days ago 240th GolfingSuccess 🇬🇷 592 158 29ms 26 Nov 2024 First Prev 161–240 of 457 Next Last