The Calendar hole will go live in approximately 7 days. Why not try and solve it ahead of time?
Lucky Tickets 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 561st janbehrens 🇩🇪 442 168 12ms 6 Jul 2023 562nd msbranicky 441 362 2ms 13 Aug 2023 563rd galloj 🇨🇿 440 161 9ms 22 Jan 2023 563rd davecame 440 161 993ms 7 Nov 2023 563rd hiichbindermax 440 161 9ms 3 Sep 2024 566th tdkkdt 🇷🇺 438 321 338ms 21 Nov 2021 567th CaedenHarper 🇨🇦 437 146 588ms 20 Sep 2025 568th emgordon154 434 157 153ms 12 Aug 2024 569th Ripick 432 164 10ms 14 May 2023 570th msbranicky 431 148 545ms 17 Jan 2024 571st stefangimmillaro 427 112 42ms 26 Dec 2024 572nd msbranicky 427 156 320ms 15 Jan 2024 573rd TimCurwick 🇺🇸 425 162 373ms 4 Aug 2020 574th nullie 424 167 12ms 9 Jun 2022 575th Frowny 422 168 4,449ms 18 Feb 2024 576th neihousaigaai 419 169 11ms 19 May 2021 577th CedricGebistorf 417 170 16ms 12 Feb 2022 577th croc54 417 170 17ms 11 Jan 2025 579th Flekay 🇩🇪 415 171 2,087ms 11 Jul 2025 580th geofft 412 172 17ms 12 Dec 2020 581st Jacob385 412 396 494ms 4 Oct 2024 582nd madeforlosers 410 200 10ms 3 Nov 2025 583rd DialFrost 🇸🇬 408 139 9ms 9 days ago 584th ian-h-chamberlain 🇺🇸 407 437 386ms 7 Oct 2020 585th retrohun 407 631 3ms 17 Jun 2023 586th emgordon154 402 119 33ms 14 Jun 2024 587th zakariamouhid 402 204 10ms 4 Jun 2023 588th PFischbeck 400 177 10ms 18 May 2020 588th OllieBoyne 🇬🇧 400 177 10ms 16 Jan 2021 590th raphaelimahorn 400 205 17ms 17 Aug 2021 591st msbranicky 400 290 2ms 13 Oct 2023 592nd snoozingnewt 🇨🇦 399 362 3,024ms 6 Oct 2025 593rd klixel 🇨🇦 398 178 14ms 13 Jul 2025 594th jmerle 🇳🇱 396 179 1,126ms 17 Jul 2023 595th Larspolo 394 180 1,249ms 4 Jun 2021 595th Jeroenvb3 394 180 1,363ms 4 Jun 2021 597th Waffle3z 392 122 43ms 20 Sep 2021 598th RDShah 389 182 134ms 17 Jan 2021 599th Laksen 🇩🇰 388 480 481ms 8 Jul 2021 600th adamnielson42 🇺🇸 387 183 15ms 8 Mar 2023 601st MeWhenI 🇻🇦 382 198 912ms 15 Sep 2025 602nd BREMAUCY 🇫🇷 381 186 10ms 24 Aug 2025 603rd eranws 377 218 9ms 14 Nov 2022 604th za3k 375 189 164ms 12 Oct 2022 605th emgordon154 375 843 2ms 5 Nov 2024 606th ydevor 🇮🇱 373 190 11ms 29 Nov 2020 606th befoster 373 190 24ms 8 May 2021 608th IISResetMe 372 185 389ms 1 Jun 2024 609th hellwue 367 193 12ms 29 Jul 2024 610th MeWhenI 🇻🇦 365 305 4ms 23 May 2023 611th Shanethegamer 🇺🇸 364 189 270ms 26 Jan 2023 612th Bodo171 363 195 12ms 8 Dec 2022 613th dokutan 358 186 897ms 7 Apr 2024 614th CatsAreFluffy 358 198 17ms 2 Feb 2023 615th michelebastione 🇮🇹 354 200 18ms 27 Oct 2021 616th XenThe 🇬🇧 354 232 11ms 4 Sep 2025 617th lifthrasiir 🇰🇷 352 946 7ms 12 Dec 2024 618th janbehrens 🇩🇪 348 152 3ms 12 Nov 2023 619th MeWhenI 🇻🇦 348 163 2ms 12 Nov 2022 620th blaztoma 🇱🇹 347 138 33ms 13 Oct 2025 621st MeWhenI 🇻🇦 346 231 122ms 13 Dec 2022 622nd IanUtley 344 265 17ms 12 Jan 2024 623rd PikeIt 342 140 36ms 26 Jun 2023 624th CatsAreFluffy 340 425 84ms 19 Feb 2023 625th nephila-nacrea 🇬🇧 339 156 3ms 3 Jun 2020 626th zloyrusskiy 335 143 39ms 20 Jun 2023 627th ahmetdemirag 🇨🇾 327 217 11ms 4 Apr 2025 628th CatsAreFluffy 321 199 664ms 15 Jan 2024 629th JunkIce 319 222 23ms 16 Jul 2025 630th inventshah 318 809 1,252ms 7 Sep 2022 631st PikeIt 316 224 12ms 27 Jun 2023 632nd knutae 🇳🇴 314 226 19ms 16 Jul 2021 633rd leonw774 311 228 12ms 24 Oct 2023 634th MeWhenI 🇻🇦 310 206 3ms 1 Oct 2022 635th CatsAreFluffy 307 391 2ms 19 Feb 2023 636th DarkTemplar5 306 232 18ms 1 Nov 2020 637th greatenss 303 234 11ms 31 Jul 2024 638th annaproxy 300 304 19ms 12 Sep 2023 639th Shanethegamer 🇺🇸 298 151 165ms 3 Feb 2022 640th mbittner20 295 240 11ms 30 Jun 2024 First Prev 561–640 of 818 Next Last
