The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Morse Encoder 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 721st bsoyka 🇺🇸 336 408 10ms 9 Jan 2022 722nd The-Wolfson 336 539 102ms 1 Nov 2024 723rd lukehewittvandy 335 470 729ms 15 Jun 2020 724th madex 🇩🇪 334 408 10ms 23 Jun 2024 725th madex 🇩🇪 333 363 1,180ms 23 Jun 2024 726th arcage 🇯🇵 333 364 1,156ms 10 Aug 2021 727th p-vf 🇨🇭 333 399 373ms 29 Sep 2021 728th not-optikk 🇺🇸 332 459 2ms 16 Oct 2020 729th lrustand 331 414 10ms 19 Feb 2018 730th Kibble 329 414 10ms 13 Jul 2020 731st dokutan 322 885 849ms 12 Jan 2025 732nd galloj 🇨🇿 319 381 3ms 31 Aug 2022 733rd markbyrne 319 429 10ms 25 Oct 2020 734th Vaekor 312 439 10ms 16 Nov 2020 735th madex 🇩🇪 311 358 53ms 23 Jun 2024 736th HassanAliKadhem 🇧🇭 311 441 17ms 4 Jan 2022 737th GalladeGuy 🇺🇸 311 489 2ms 3 Sep 2018 738th CallanMcNulty 310 440 9ms 20 Mar 2022 739th Irratix 🇳🇱 310 603 116ms 21 Nov 2021 740th d4rkne55 308 432 6ms 1 Mar 2018 741st madex 🇩🇪 308 569 308ms 23 Jun 2024 742nd NanduBC 306 447 10ms 23 Mar 2021 743rd CutSandstone 306 448 16ms 5 Jul 2024 744th sergeyz7 🇬🇧 305 374 263ms 18 Nov 2020 745th Trunksistor 🇫🇷 305 449 10ms 19 Apr 2022 746th Laksen 🇩🇰 302 649 25ms 8 Jul 2021 747th b4dpxl 300 456 9ms 4 Dec 2019 747th bbakersmith 300 456 10ms 19 Jul 2021 749th Yewzir 🇧🇪 299 458 10ms 19 May 2023 750th jgbaldwinbrown 298 430 2ms 9 Jul 2021 751st Starwort 🇬🇧 298 459 10ms 4 Mar 2019 752nd Maximizer02 298 581 8ms 10 Sep 2025 753rd MeWhenI 🇻🇦 296 511 14ms 28 Mar 2022 754th RJFuller 295 465 11ms 23 Feb 2024 755th Agazoth 291 392 242ms 12 Jun 2020 756th vaughad 290 624 91ms 21 Jan 2020 757th johnennewdeeson 289 472 9ms 6 Apr 2020 758th rollershutter 289 474 9ms 19 Jul 2023 759th JunkIce 288 475 16ms 12 Feb 2025 760th JOrE20 🇺🇸 287 476 10ms 18 days ago 761st boxjelly 284 391 41ms 12 Feb 2021 762nd lahell 284 401 244ms 8 Jun 2020 763rd Cr3aHal0 284 480 10ms 28 Jun 2019 764th 21zz 284 483 10ms 2 Dec 2022 765th DmytroLynda 282 471 427ms 21 Nov 2024 766th SiddharthShyniben 282 483 9ms 10 Aug 2021 767th eddvrs 282 485 10ms 20 Aug 2022 768th MeWhenI 🇻🇦 282 664 141ms 22 Mar 2024 769th MeWhenI 🇻🇦 282 979 2ms 8 Feb 2022 770th aglahir1 279 491 9ms 21 Jul 2022 771st shaunjc 277 481 5ms 11 Jun 2021 772nd d4rkne55 277 492 10ms 28 Feb 2018 773rd moshiba 277 494 12ms 18 Apr 2018 773rd Re-Adventures 🇮🇳 277 494 11ms 1 Feb 2023 775th mothcolada 🇺🇸 277 495 10ms 11 Mar 2021 776th brandon-04 273 487 372ms 11 Nov 2025 777th Michiocre 272 501 9ms 18 Jun 2024 778th luuumine 🇫🇷 271 505 10ms 27 Oct 2025 779th valgardg 🇮🇸 271 506 9ms 10 Aug 2021 779th twocatsinatrenchcoat 271 506 10ms 10 May 2022 781st jtaxen 270 508 10ms 6 May 2024 782nd Yewzir 🇧🇪 269 458 1,617ms 15 Jan 2024 783rd befoster 269 509 10ms 8 May 2021 784th JeromeSchweitzer 268 511 16ms 7 Sep 2020 785th rbicelli 267 498 5ms 4 Apr 2018 786th Stockoh 🇫🇷 265 517 10ms 5 Nov 2023 787th JunkIce 264 466 2,127ms 12 Feb 2025 788th dokutan 264 499 148ms 21 Aug 2024 789th Drew-j-Smith 264 518 10ms 29 Mar 2022 790th mogensen 264 642 314ms 17 Apr 2020 791st hklemp 🇩🇪 261 509 357ms 21 Nov 2021 792nd bobsbeenjamin 🇺🇸 258 530 9ms 10 Dec 2020 793rd adoxography 257 433 53ms 10 Mar 2020 794th amishtal 257 532 10ms 5 Dec 2019 795th jameswmccarty 257 533 10ms 4 Nov 2024 796th dokutan 257 1,074 2ms 13 Nov 2024 797th RandGuy 256 520 356ms 14 Dec 2021 798th ArturLange 256 536 10ms 14 Sep 2018 799th jmerle 🇳🇱 255 538 9ms 11 Jul 2023 800th adoxography 253 542 10ms 21 May 2018 First Prev 721–800 of 987 Next Last
