The Calendar hole will go live in approximately 13 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 241st inventshah 808 126 56ms 20 Jul 2023 242nd duckyluuk 🇳🇱 807 82 452ms 29 Aug 2024 243rd MeWhenI 🇻🇦 807 137 155ms 25 Dec 2022 244th jared-hughes 806 94 15ms 22 Apr 2022 245th Shanethegamer 🇺🇸 806 150 341ms 23 Jun 2022 245th snoozingnewt 🇨🇦 806 150 148ms 8 days ago 247th MeWhenI 🇻🇦 805 304 929ms 28 Mar 2025 248th ovs-code 🇩🇪 803 101 2ms 4 May 2022 248th Steffan153 🇫🇮 803 101 2ms 18 Jul 2024 248th KasperKivimaeki 🇫🇮 803 101 3ms 2 Apr 2025 251st Shanethegamer 🇺🇸 803 135 891ms 24 Sep 2025 252nd jared-hughes 801 102 12ms 22 Apr 2022 253rd MeWhenI 🇻🇦 801 111 419ms 8 Dec 2022 253rd namelessiw 801 111 459ms 7 Jun 2024 255th MeWhenI 🇻🇦 800 154 41ms 29 Apr 2025 256th AlephSquirrel 800 160 6ms 21 Oct 2024 257th jared-hughes 800 301 11ms 8 Jul 2024 258th emgordon154 799 113 4,922ms 4 Sep 2025 259th primo-ppcg 🇹🇭 799 118 39ms 24 Jun 2022 260th Shanethegamer 🇺🇸 799 152 28ms 7 Jul 2022 261st emgordon154 797 307 695ms 4 Sep 2025 262nd nwellnhof 🇩🇪 796 72 50ms 4 Jul 2023 262nd anter69 🇭🇺 796 72 51ms 24 Mar 2025 264th GrayJoKing 🇦🇺 796 110 5ms 7 Sep 2024 265th lifthrasiir 🇰🇷 795 44 5ms 1 Dec 2024 266th neel11235813 794 91 11ms 3 Apr 2024 266th KatieLG 🇬🇧 794 91 21ms 2 Oct 2025 268th tayloia 🇬🇧 793 103 11ms 5 Jun 2023 268th prplz 🇦🇺 793 103 11ms 30 Jan 2024 268th BalaM314 793 103 11ms 1 Mar 2025 271st albanian-laundromat 792 106 1,826ms 29 Sep 2025 272nd MeWhenI 🇻🇦 791 59 3ms 15 Dec 2021 273rd MeWhenI 🇻🇦 791 137 768ms 7 Nov 2025 274th Shanethegamer 🇺🇸 791 187 161ms 20 Oct 2022 275th nwellnhof 🇩🇪 790 77 47ms 25 Sep 2021 276th primo-ppcg 🇹🇭 790 162 10ms 20 Jan 2023 277th MeWhenI 🇻🇦 789 129 72ms 7 May 2023 277th ovs-code 🇩🇪 789 129 78ms 8 Jun 2024 279th stefangimmillaro 789 140 135ms 30 Sep 2023 280th UnderKoen 🇳🇱 788 149 5ms 7 Mar 2023 281st sean-niemann 🇺🇸 787 103 3ms 8 Jul 2025 282nd leon-w 785 92 14ms 24 Jul 2024 282nd kg583 🇺🇸 785 92 31ms 1 Mar 2025 284th voytxt 🇨🇿 785 104 11ms 4 Apr 2025 285th Shanethegamer 🇺🇸 784 128 365ms 28 Nov 2022 286th Shanethegamer 🇺🇸 783 130 75ms 12 Jan 2022 286th m-tkach 🇺🇦 783 130 69ms 25 Aug 2023 288th stefangimmillaro 782 173 173ms 19 Oct 2023 289th tobeannouncd 782 189 153ms 5 Jan 2024 290th Shanethegamer 🇺🇸 780 103 6ms 16 Dec 2022 291st tomtheisen 🇺🇸 780 114 433ms 10 Feb 2025 291st stefangimmillaro 780 114 388ms 10 Apr 2025 293rd stefangimmillaro 780 139 830ms 6 Oct 2025 294th SirBogman 🇺🇸 780 158 44ms 3 Jun 2025 295th CLOStrophobic 🇮🇹 780 164 10ms 8 Mar 2025 296th Shanethegamer 🇺🇸 779 120 6ms 27 Sep 2024 297th dokutan 778 108 1,687ms 33 hours ago 298th Shanethegamer 🇺🇸 778 117 131ms 29 Nov 2022 299th MWI-polygolf 778 129 359ms 6 Dec 2023 300th Shanethegamer 🇺🇸 778 142 369ms 19 May 2023 301st Shanethegamer 🇺🇸 777 174 196ms 23 Sep 2022 302nd Shanethegamer 🇺🇸 776 165 9ms 27 Dec 2021 303rd lynn 775 74 51ms 30 Aug 2021 303rd SirBogman 🇺🇸 775 74 42ms 21 May 2022 305th jared-hughes 773 120 2ms 29 Nov 2022 306th MeWhenI 🇻🇦 772 117 4,833ms 24 Oct 2024 307th SirBogman 🇺🇸 770 79 46ms 23 Sep 2025 308th emgordon154 768 98 1,680ms 4 Sep 2025 309th MeWhenI 🇻🇦 768 114 105ms 13 Dec 2022 310th ihearrodmod 767 121 2ms 30 Aug 2021 310th dokutan 767 121 3ms 5 Nov 2025 312th armin-k1 766 77 3ms 10 Sep 2021 313th MeWhenI 🇻🇦 765 106 2ms 5 Jul 2024 314th snoozingnewt 🇨🇦 765 118 4,817ms 4 days ago 315th MeWhenI 🇻🇦 765 120 4ms 16 Jul 2023 316th stefangimmillaro 765 158 409ms 16 Jun 2023 317th didion0 🇺🇸 763 107 11ms 31 May 2022 318th ListeriaM 762 84 3ms 24 Aug 2023 319th lynn 762 168 6ms 15 Sep 2021 320th 5cw 🇺🇸 761 46 5ms 16 May 2023 First Prev 241–320 of 1,268 Next Last