The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
United States 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 881st adamnielson42 🇺🇸 252 416 10ms 21 Aug 2023 882nd seeaya 252 515 120ms 16 Oct 2021 883rd frozolotl 252 687 167ms 14 Apr 2020 884th Noah-Fox 252 950 2ms 25 May 2022 885th funnyboy-roks 251 403 10ms 16 Jun 2024 885th snoozingnewt 🇨🇦 251 403 10ms 18 Jun 2024 887th kypi 251 418 10ms 22 Feb 2020 887th alangodfrey 251 418 10ms 9 Apr 2020 889th AaronKreipe 251 517 648ms 30 Jan 2020 890th sebipopa 🇷🇴 250 405 13ms 17 May 2023 891st CatsAreFluffy 250 420 13ms 8 Feb 2023 892nd try-except-try-accept 🇹🇭 249 422 10ms 28 Jun 2022 893rd Andrey2001 248 423 10ms 4 days ago 894th dokutan 248 1,013 1,033ms 12 Jan 2025 895th perfunction 246 527 683ms 29 Jan 2020 896th celiendonze 🇨🇭 245 428 14ms 4 Jul 2023 897th pengu1n-master 244 431 10ms 13 Dec 2021 898th postie77 243 443 429ms 5 Jul 2023 899th MiranDaniel 🇨🇿 242 433 11ms 31 Aug 2023 900th RJFuller 242 434 10ms 8 Mar 2024 901st non-bin 241 420 10ms 26 Jun 2025 902nd MeWhenI 🇻🇦 240 1,049 727ms 9 Feb 2025 903rd Omega65536 🇩🇪 239 440 10ms 3 Dec 2022 904th bob-th 238 441 13ms 4 Jul 2022 905th Schmitt-Very-Cool 238 567 643ms 3 Oct 2025 906th wackbyte 237 730 303ms 7 Dec 2023 907th vonKrafft 236 445 15ms 27 Mar 2020 908th wearsunscreen 235 732 132ms 28 Sep 2023 909th Kaffeleif 234 443 7ms 21 Mar 2024 910th aresok 234 575 794ms 4 Jul 2023 911th renthist 233 462 405ms 30 Jan 2022 912th Naitzirch 🇳🇱 232 452 10ms 4 Jul 2025 913th RandGuy 231 454 10ms 4 Jul 2022 914th MeWhenI 🇻🇦 231 482 876ms 6 Nov 2023 915th heypwesto 🇳🇿 230 303 3ms 14 Apr 2021 916th vonKrafft 230 440 10ms 27 Mar 2020 917th Yewzir 🇧🇪 229 459 10ms 16 Apr 2023 918th strout 229 750 134ms 24 Feb 2023 919th dokutan 229 1,045 2ms 6 Dec 2024 920th dillon-duncando 228 460 20ms 4 Oct 2022 921st bidger 228 590 614ms 17 Nov 2022 922nd addmai 227 463 10ms 31 Jul 2025 923rd roy-sianez 226 452 2ms 16 Mar 2025 924th janga1 226 465 11ms 17 Aug 2021 925th GitMensch 226 1,055 10ms 29 Nov 2024 926th RaBa21 🇭🇺 225 467 9ms 18 Jul 2025 927th dokutan 225 504 3ms 15 days ago 928th CatsAreFluffy 224 420 1,439ms 15 Jan 2024 929th JGDoerrer 223 778 164ms 1 Feb 2022 930th brimstonetrader 222 472 10ms 29 Jan 2024 931st ShiraJoseph 🇺🇸 221 458 11ms 28 Jan 2023 932nd s0129 221 474 10ms 4 Jul 2025 933rd schachmattmatt 221 476 13ms 18 Aug 2021 934th rbertram90 🇬🇧 220 440 5ms 3 May 2025 935th yoshykai 220 613 516ms 31 Mar 2025 936th mdnestor 218 481 10ms 23 Dec 2022 937th CarsonChr 🇺🇸 218 482 11ms 23 Sep 2022 938th jjatria 217 347 294ms 6 Aug 2021 939th fuzzylojik-golf 🇺🇸 216 486 10ms 18 Jul 2025 940th Tenclea 215 471 11ms 26 Aug 2023 941st KingSkyrock 🇺🇸 215 472 10ms 25 Aug 2023 942nd MassimoParisi 215 489 10ms 24 Sep 2024 943rd corbob 🇨🇦 214 382 350ms 1 May 2024 944th tpiechaczek 🇵🇱 212 477 11ms 10 Dec 2020 945th midnattssol 🇸🇪 212 496 10ms 27 Jul 2023 946th TannerJ07 🇺🇸 212 816 200ms 4 Apr 2025 947th jake-freeman 209 484 12ms 28 Feb 2020 948th KatieLG 🇬🇧 209 1,201 960ms 13 Jan 2025 949th The-Wolfson 208 625 123ms 2 Nov 2024 950th lukehewittvandy 208 647 557ms 12 Jul 2022 951st jtaxen 207 506 10ms 7 May 2024 952nd hiichbindermax 206 509 10ms 5 Oct 2024 953rd Yewzir 🇧🇪 205 459 4,156ms 15 Jan 2024 954th ArmaanAS 205 494 12ms 23 Feb 2025 955th ImpressedByRocks 205 512 10ms 30 Jun 2025 956th Cynopolis 203 517 13ms 16 Oct 2023 957th jtthrillson 202 641 84ms 18 Dec 2021 958th Mabeloid 🇳🇴 201 522 12ms 4 Jul 2025 959th jiaminglimjm 🇲🇾 200 524 14ms 4 Jul 2020 960th JorenZ 200 526 15ms 4 Oct 2021 First Prev 881–960 of 1,391 Next Last
