The Calendar hole will go live in approximately 25 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 401st ovs-code 🇩🇪 663 107 714ms 31 Oct 2025 402nd emgordon154 663 117 17ms 21 Apr 2025 403rd SirBogman 🇺🇸 663 200 6ms 25 Feb 2020 404th blaztoma 🇱🇹 662 83 58ms 13 Nov 2025 405th GrayJoKing 🇦🇺 660 122 133ms 4 Aug 2024 406th Yax42 🇫🇷 660 143 421ms 9 Aug 2025 407th snoozingnewt 🇨🇦 660 196 107ms 24 days ago 408th MeWhenI 🇻🇦 658 235 2ms 11 Oct 2023 409th janbehrens 🇩🇪 657 116 323ms 16 Jul 2022 409th blaztoma 🇱🇹 657 116 267ms 14 Oct 2025 411th SirBogman 🇺🇸 656 144 391ms 24 Jan 2025 412th dokutan 655 123 131ms 13 Sep 2025 413th dokutan 655 169 167ms 11 Sep 2025 414th DialFrost 🇸🇬 653 145 5ms 15 Nov 2023 415th MeWhenI 🇻🇦 653 253 41ms 16 May 2023 416th MeWhenI 🇻🇦 649 124 136ms 3 Aug 2024 417th Shanethegamer 🇺🇸 648 94 104ms 5 Oct 2024 418th tatzyr 🇯🇵 647 85 39ms 23 Dec 2024 419th anter69 🇭🇺 647 120 1,493ms 17 Sep 2024 420th Openstreetmapler 646 120 17ms 4 Oct 2025 421st sisyphus-ppcg 🇦🇺 645 78 3ms 5 Jul 2022 422nd MeWhenI 🇻🇦 645 142 2ms 5 Jul 2024 423rd sech1p 🇵🇱 643 143 12ms 2 Jul 2021 424th GrayJoKing 🇦🇺 642 134 120ms 15 Feb 2024 425th dokutan 635 126 1,049ms 29 Aug 2025 426th blaztoma 🇱🇹 634 145 10ms 25 Aug 2025 427th MeWhenI 🇻🇦 634 175 5ms 2 Oct 2022 428th edsrzf 🇳🇿 632 136 89ms 28 Jun 2025 429th iczelia 🇩🇪 632 145 2ms 19 Oct 2025 430th janbehrens 🇩🇪 632 155 6ms 16 Jul 2022 431st MeWhenI 🇻🇦 632 238 3ms 10 Sep 2022 432nd SirBogman 🇺🇸 631 211 15ms 6 Oct 2025 433rd btjones0 631 241 197ms 27 Dec 2020 434th MeWhenI 🇻🇦 630 172 62ms 7 Jul 2022 435th DialFrost 🇸🇬 628 146 2ms 16 Feb 2024 436th emgordon154 627 113 494ms 21 Apr 2025 437th argusdusty 🇺🇸 625 124 17ms 2 Jan 2021 437th NewDefectus 🇮🇱 625 124 18ms 4 Dec 2021 437th stefangimmillaro 625 124 15ms 8 Jul 2022 437th scpchicken 🇵🇼 625 124 15ms 2 Mar 2023 437th prplz 🇦🇺 625 124 20ms 28 May 2023 437th lynn 625 124 15ms 11 Oct 2023 437th CaedenHarper 🇨🇦 625 124 14ms 25 Jul 2024 437th ryyyn 🇺🇸 625 124 15ms 31 Jul 2025 437th CommandLeo 🇮🇹 625 124 15ms 22 hours ago 446th dee2716 625 147 11ms 16 Apr 2021 447th acotis 624 244 250ms 24 May 2025 448th UnderKoen 🇳🇱 623 219 3ms 19 Aug 2024 449th msbranicky 623 248 2ms 12 Oct 2023 450th MeWhenI 🇻🇦 620 125 16ms 8 Jul 2022 450th GrayJoKing 🇦🇺 620 125 15ms 16 Jan 2024 450th tperr 620 125 14ms 29 Sep 2024 450th alemelis 620 125 15ms 2 Oct 2024 454th typeswitch-dev 🇵🇹 620 225 6ms 31 Jul 2023 455th BlankSpruce 619 148 2ms 20 Aug 2024 456th emgordon154 616 137 11ms 15 Sep 2025 457th Anonymousellama21 615 126 19ms 15 Jun 2022 457th inventshah 615 126 20ms 7 Jul 2022 457th Irratix 🇳🇱 615 126 16ms 21 Sep 2022 457th davitf 615 126 17ms 24 Jun 2023 457th 051 🇸🇬 615 126 18ms 10 Nov 2023 457th Artemis21 🇬🇧 615 126 16ms 10 Jan 2025 463rd MeWhenI 🇻🇦 614 148 2ms 31 Aug 2021 464th SirBogman 🇺🇸 613 207 747ms 21 May 2020 465th SirBogman 🇺🇸 612 195 2ms 15 Feb 2020 466th primo-ppcg 🇹🇭 611 102 41ms 4 Feb 2023 467th SirBogman 🇺🇸 610 183 360ms 17 Oct 2020 468th DialFrost 🇸🇬 609 116 16ms 26 Feb 2025 469th NewDefectus 🇮🇱 607 83 3ms 4 Dec 2021 469th scpchicken 🇵🇼 607 83 3ms 2 Mar 2023 471st dokutan 605 177 3,252ms 21 Mar 2025 472nd b97tsk 605 230 337ms 23 Apr 2020 473rd jared-hughes 604 91 49ms 11 Sep 2022 474th MeWhenI 🇻🇦 604 241 37ms 6 Jun 2023 475th SirBogman 🇺🇸 604 391 12ms 23 Nov 2022 476th 5cw 🇺🇸 601 129 15ms 25 Mar 2024 476th bknower 601 129 14ms 29 Jun 2025 476th blaztoma 🇱🇹 601 129 14ms 14 Oct 2025 479th tomtheisen 🇺🇸 601 157 425ms 11 Feb 2025 480th albanian-laundromat 600 251 3ms 29 Jun 2025 First Prev 401–480 of 1,389 Next Last