The Calendar hole will go live in approximately 6 hours. Why not try and solve it ahead of time?
United States 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 801st SpeedyNinja 282 275 10ms 21 Oct 2020 802nd inverseLorentz 🇦🇺 281 276 10ms 13 Jun 2022 802nd za3k 281 276 10ms 27 Oct 2022 802nd EnTerr 281 276 9ms 9 Sep 2024 805th mathisfun271 279 278 19ms 29 Oct 2021 806th ydevor 🇮🇱 278 279 11ms 25 Nov 2020 806th sjrct 278 279 9ms 6 Aug 2024 808th Yewzir 🇧🇪 277 391 550ms 4 Feb 2023 809th zelenovas 🇷🇺 275 345 6ms 8 Feb 2023 810th rowboat1 273 284 10ms 19 Jun 2022 810th SniperSmiley 🇺🇸 273 284 13ms 15 Jun 2024 812th nat-418 273 406 10ms 3 Nov 2022 813th Mabeloid 🇳🇴 272 285 27ms 4 Jul 2025 814th cure-honey 🇯🇵 272 607 42ms 28 Apr 2020 815th JunkIce 271 262 492ms 5 Mar 2025 816th snoozingnewt 🇨🇦 271 468 829ms 10 Oct 2025 817th gautambp 268 289 13ms 21 Jun 2025 818th CarsonChr 🇺🇸 266 345 11ms 22 Apr 2023 819th Shanethegamer 🇺🇸 266 532 4ms 1 May 2025 820th befoster 265 293 12ms 10 Apr 2021 821st arcpolaris 264 358 441ms 9 Nov 2025 822nd proton 🇩🇪 262 210 52ms 5 Jun 2020 823rd tpaxman 🇨🇦 262 296 16ms 9 Dec 2020 824th cthierfelder 🇲🇨 261 297 10ms 6 Sep 2025 825th marcin7Cd 261 509 6ms 8 Feb 2021 826th dokutan 261 543 12ms 2 Apr 2024 827th guliyevemil1 🇦🇿 260 298 12ms 17 Apr 2020 828th idoweinstein 259 299 12ms 5 Aug 2022 828th kbeat 🇰🇿 259 299 10ms 21 May 2025 830th yuchuehw 256 496 575ms 5 Jul 2024 831st ian-h-chamberlain 🇺🇸 256 594 158ms 16 Oct 2020 832nd salipshitz 255 547 304ms 16 Apr 2020 833rd ethan7g 254 362 12ms 16 Apr 2020 834th thisishowmymindworks 🇳🇴 254 537 3ms 29 May 2024 835th msbranicky 254 592 2ms 12 Aug 2023 836th mossprescott 253 306 10ms 10 Jan 2023 836th kistlerf 🇨🇭 253 306 10ms 14 May 2025 838th biocommando 🇫🇮 253 363 10ms 23 Jun 2025 839th BREMAUCY 🇫🇷 253 545 26ms 12 Oct 2025 840th dpethes 252 375 395ms 16 Jul 2022 841st Drew-j-Smith 250 310 11ms 30 Apr 2022 842nd krzydoug 250 320 289ms 10 Jun 2020 843rd amollberg 🇸🇪 249 312 27ms 5 Jan 2022 844th Noah-Fox 249 950 2ms 25 May 2022 845th seeaya 248 515 120ms 16 Oct 2021 846th chunky 248 551 4ms 14 Oct 2020 847th AaronKreipe 247 517 648ms 30 Jan 2020 848th PaulMWeiser 246 315 10ms 1 Mar 2023 849th HenryTy83 246 373 18ms 5 Dec 2022 849th HumanoidCPU 246 373 18ms 22 Apr 2024 849th xyangst 246 373 14ms 8 Oct 2024 852nd Isaac-NTT 246 374 11ms 4 Jul 2023 852nd Moreallure 246 374 10ms 11 May 2024 854th lharck 🇺🇸 246 484 2ms 4 Jul 2021 855th MahlerFive 🇨🇦 246 566 316ms 19 Apr 2020 856th j21marshall 245 316 12ms 7 Aug 2020 856th mokymok 🇺🇸 245 316 12ms 23 Jul 2021 858th 1231234md5 🇨🇳 245 375 18ms 29 Jan 2024 859th dokutan 245 1,013 1,675ms 12 Jan 2025 860th AkashTandon167 244 318 9ms 2 Nov 2021 860th mbittner20 244 318 9ms 27 May 2023 862nd tpiechaczek 🇵🇱 243 379 12ms 10 Dec 2020 863rd perfunction 242 527 683ms 29 Jan 2020 864th eiburns 241 322 10ms 8 May 2023 865th falsidge 240 323 11ms 5 Jul 2024 866th jakobkordez 🇸🇮 239 324 15ms 21 Oct 2022 867th perlebach 🇨🇿 237 212 3ms 27 Aug 2021 868th MeWhenI 🇻🇦 237 1,049 1,645ms 9 Feb 2025 869th mrmena 🇦🇺 236 328 11ms 4 Jul 2021 870th ehulinsky 🇺🇸 234 332 12ms 7 May 2023 871st myleopard 233 333 10ms 15 Oct 2021 871st jatloe 233 333 13ms 28 Jan 2024 873rd lewdev 🇺🇸 233 394 10ms 3 Jul 2024 874th tomh1012 232 396 12ms 27 Sep 2020 875th wearsunscreen 232 732 132ms 28 Sep 2023 876th fitzdotlol 🇺🇸 231 398 18ms 21 Mar 2022 877th dokutan 230 473 72ms 20 Mar 2025 878th msbranicky 230 661 224ms 28 Oct 2023 879th JRaspass 🇬🇧 228 221 6ms 25 Sep 2022 880th CedricGebistorf 228 340 12ms 4 May 2023 First Prev 801–880 of 1,389 Next Last
