The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
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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 721st Ephellon 520 157 12ms 16 Dec 2023 722nd CaedenHarper 🇨🇦 519 145 1,574ms 24 Aug 2025 723rd angel-p57 🇯🇵 519 516 3ms 21 Nov 2023 724th msbranicky 518 173 2ms 10 Oct 2023 725th blaztoma 🇱🇹 517 111 47ms 16 Oct 2025 726th janAkali 🇷🇺 517 194 455ms 20 May 2024 726th Ripick 517 194 442ms 11 Jul 2024 728th inventshah 517 279 8ms 30 Dec 2022 729th kistlerf 🇨🇭 516 140 14ms 14 May 2025 729th Emutis 🇱🇹 516 140 14ms 27 Oct 2025 731st Apataras 516 210 726ms 29 Jul 2025 732nd janbehrens 🇩🇪 513 158 2ms 21 Mar 2022 733rd msbranicky 512 141 18ms 11 Aug 2023 733rd MWI-polygolf 512 141 11ms 6 Dec 2023 735th Mabeloid 🇳🇴 512 181 2ms 21 Sep 2024 736th aresok 511 212 655ms 2 Jul 2023 737th marcin7Cd 509 142 10ms 25 Aug 2021 737th smartiel 509 142 35ms 18 Sep 2022 737th NerdyMcNerd42 509 142 10ms 25 Oct 2022 737th b10011 🇫🇮 509 142 12ms 7 Jan 2023 741st kimbo 🇺🇸 508 238 367ms 28 Dec 2022 741st msbranicky 508 238 341ms 31 Aug 2023 743rd Yewzir 🇧🇪 507 304 2,715ms 14 Nov 2025 744th Mikey-Beep 🇬🇧 505 143 11ms 25 Aug 2023 744th gamk3 505 143 11ms 6 May 2025 746th Natanaelel 🇸🇪 504 117 3ms 24 Aug 2021 747th Irratix 🇳🇱 504 161 3ms 21 Dec 2021 748th FrederikHutfless 🇩🇪 504 162 12ms 12 Jan 2023 748th BambooleanLogic 🇸🇪 504 162 11ms 19 Oct 2023 750th CaedenHarper 🇨🇦 503 177 438ms 16 Oct 2025 751st InigoK 🇺🇸 502 144 17ms 12 Aug 2022 751st thiccaxe 502 144 13ms 3 Oct 2022 751st StefanHabel 🇨🇦 502 144 12ms 14 Nov 2022 751st TaserTheFox 🇺🇸 502 144 12ms 3 Jan 2023 751st codingisgreatbutiamnot 502 144 11ms 24 Aug 2024 756th Shanethegamer 🇺🇸 501 97 131ms 8 Dec 2021 757th lewdev 🇺🇸 501 163 11ms 14 Mar 2024 758th msbranicky 501 270 266ms 3 Oct 2023 759th roguh 🇬🇹 498 145 11ms 22 Jan 2024 760th CatsAreFluffy 498 163 3ms 15 Jan 2023 761st bobbysq 495 146 11ms 10 May 2023 761st ValentinCassayre 495 146 14ms 18 Oct 2023 763rd MeWhenI 🇻🇦 493 148 3ms 2 Oct 2022 764th edsrzf 🇳🇿 493 163 6ms 14 Sep 2024 765th crizin 🇰🇷 493 220 764ms 15 Sep 2023 766th TylerBloom 492 275 176ms 21 Mar 2024 767th setop 491 147 11ms 18 Aug 2023 767th yanjs 491 147 14ms 3 Jul 2025 769th PyryL 🇫🇮 488 148 13ms 21 Aug 2024 770th gbxdl 488 277 173ms 19 Jul 2022 771st MeWhenI 🇻🇦 487 185 132ms 25 May 2022 772nd premun 🇨🇿 486 183 392ms 19 Nov 2022 773rd mokymok 🇺🇸 485 149 11ms 17 Nov 2021 773rd QuincyNash 🇺🇸 485 149 10ms 6 Dec 2022 773rd CheeseCake628 🇳🇴 485 149 22ms 22 Jan 2023 776th janbehrens 🇩🇪 484 122 3ms 10 Jul 2023 777th retrohun 484 298 4ms 15 Nov 2025 778th hamhub7 483 184 429ms 9 Aug 2022 778th ChrisTheisen 483 184 465ms 14 Dec 2022 780th DrPrettyman 481 150 12ms 12 Jul 2023 781st KatieLG 🇬🇧 481 187 110ms 8 Nov 2025 782nd lovernj 478 151 12ms 21 Jan 2022 782nd Ailko 🇧🇪 478 151 11ms 5 May 2022 782nd karhuthebear 478 151 11ms 11 May 2022 782nd andre-lameirinhas 🇵🇹 478 151 14ms 26 Apr 2023 782nd anarconic 478 151 11ms 7 Dec 2023 782nd ffelixm 478 151 12ms 4 Jun 2025 788th trinityy-7 478 171 11ms 17 Jul 2023 789th janbehrens 🇩🇪 477 138 331ms 1 Nov 2021 790th aliakseikalosha 476 187 410ms 7 Aug 2023 791st SirFireball3521 475 152 30ms 25 Jan 2023 792nd Bonjour27891 🇻🇳 472 153 11ms 4 Mar 2022 792nd 1231234md5 🇨🇳 472 153 11ms 15 Dec 2023 792nd billythegoat356 472 153 13ms 5 Jun 2024 795th con-cs 472 173 11ms 17 Oct 2021 795th Larento 472 173 11ms 14 Oct 2023 797th ericlangedijk 🇸🇮 471 189 485ms 12 Mar 2022 798th wiebecommajonas 471 287 162ms 31 Oct 2021 799th CaedenHarper 🇨🇦 470 122 33ms 24 Aug 2025 800th Chinay-Domitrix 🇺🇸 470 192 4,624ms 4 Nov 2025 First Prev 721–800 of 1,268 Next Last