The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
ASCII Table 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 561st Phil-RGOMEGA 736 152 1ms 4 May 2023 562nd primo-ppcg 🇹🇭 736 173 409ms 4 Apr 2022 563rd Yewzir 🇧🇪 736 223 1,693ms 17 May 2024 564th dokutan 735 108 120ms 21 Aug 2024 565th itsh01 735 133 9ms 3 Apr 2022 566th lynn 734 60 42ms 17 Feb 2024 567th antimon2 🇯🇵 734 97 1,204ms 11 Jan 2025 568th cmayer777 734 161 64ms 14 Oct 2022 569th pschmid0 🇺🇸 733 120 4ms 7 Nov 2022 569th arobson13 🇨🇦 733 120 4ms 28 Apr 2023 571st elgan65536 733 138 2ms 2 Mar 2024 571st dokutan 733 138 3ms 30 Mar 2025 573rd snoozingnewt 🇨🇦 733 176 89ms 2 Nov 2025 573rd kaascevich 733 176 2,635ms 10 days ago 575th JGDoerrer 733 181 124ms 20 Dec 2022 576th Shanethegamer 🇺🇸 732 146 5ms 10 Mar 2023 577th Yewzir 🇧🇪 732 174 367ms 2 Oct 2025 578th emgordon154 731 190 1ms 9 Jun 2025 579th snoozingnewt 🇨🇦 731 194 265ms 2 Nov 2025 580th scpchicken 🇵🇼 731 343 10ms 26 Mar 2022 581st Yewzir 🇧🇪 730 133 2ms 22 May 2023 582nd dokutan 730 162 456ms 30 Mar 2025 583rd zacjl 729 123 6ms 22 Mar 2025 584th Xzyaihni 729 182 122ms 3 Jan 2023 585th KatieLG-Transpiler 🇬🇧 729 344 11ms 4 Dec 2022 586th Irratix 🇳🇱 728 93 9ms 7 May 2022 587th Shanethegamer 🇺🇸 728 135 70ms 1 Dec 2024 588th djeedjay 🇳🇱 728 139 1ms 18 Sep 2022 588th Lv0Sys 🇵🇱 728 139 2ms 12 days ago 590th dokutan 728 223 1ms 15 Aug 2024 591st edsrzf 🇳🇿 727 121 5ms 5 Mar 2025 592nd TrueBoxGuy 726 154 126ms 23 Jul 2023 593rd sisyphus-ppcg 🇦🇺 725 75 115ms 16 Feb 2023 594th AnAwesomGuy 725 114 747ms 22 Sep 2025 595th Yewzir 🇧🇪 725 163 71ms 25 May 2023 596th bbb651 🇮🇱 725 183 164ms 31 May 2022 597th CaedenHarper 🇨🇦 725 346 10ms 24 Jan 2025 598th targrik 724 135 8ms 25 Feb 2025 599th Shanethegamer 🇺🇸 724 163 444ms 10 Mar 2023 600th retrohun 723 140 1ms 16 Dec 2022 600th emgordon154 723 140 2ms 25 Jul 2024 602nd dokutan 723 166 410ms 15 Aug 2024 603rd MeWhenI 🇻🇦 721 122 4ms 29 May 2023 604th JunkIce 720 94 10ms 13 Feb 2025 605th msbranicky 720 197 271ms 24 Aug 2023 606th ericlangedijk 🇸🇮 719 167 367ms 27 Mar 2022 606th sabvdf 719 167 403ms 8 Dec 2022 606th aliakseikalosha 719 167 395ms 8 Aug 2024 606th snoozingnewt 🇨🇦 719 167 428ms 2 Nov 2025 610th Irratix 🇳🇱 718 141 2ms 14 May 2022 610th Heathcorp 🇦🇺 718 141 1ms 28 Oct 2022 610th pandapawskat 718 141 1ms 6 Dec 2022 610th dcgjb 718 141 1ms 10 Jan 2024 610th jbjd 718 141 1ms 27 Feb 2024 615th Irratix 🇳🇱 716 165 519ms 14 May 2022 616th janbehrens 🇩🇪 716 178 408ms 16 Nov 2022 616th snoozingnewt 🇨🇦 716 178 492ms 2 Nov 2025 618th daifkyou 713 142 1ms 14 Dec 2022 618th qwertyuiop3 🇷🇺 713 142 2ms 30 May 2025 620th ovs-code 🇩🇪 712 91 498ms 16 Jan 2024 621st MeWhenI 🇻🇦 712 96 256ms 28 Jan 2023 622nd GrayJoKing 🇦🇺 712 157 119ms 22 Apr 2022 622nd tobeannouncd 712 157 118ms 10 Jan 2024 624th destofr 712 199 362ms 23 Aug 2022 625th saito-ta 🇯🇵 711 62 45ms 18 Jul 2024 626th Shanethegamer 🇺🇸 710 124 4ms 8 May 2025 627th rifatx 710 169 359ms 22 Jul 2024 628th MCausc78 🇺🇦 709 187 120ms 30 Dec 2022 629th snoozingnewt 🇨🇦 708 143 1ms 23 Sep 2023 629th FortuiteMan 🇫🇷 708 143 1ms 10 Oct 2024 629th LvLError 708 143 2ms 29 May 2025 632nd gw280 708 167 80ms 16 Dec 2024 633rd snoozingnewt 🇨🇦 708 211 59ms 2 Nov 2025 634th olleicua 🇺🇸 707 87 51ms 20 Jan 2024 635th the-zammers 707 158 116ms 2 Oct 2023 636th Lydxn 🇨🇦 706 77 155ms 6 Dec 2022 636th Natanaelel 🇸🇪 706 77 209ms 3 Jan 2024 638th Yewzir 🇧🇪 706 117 764ms 16 Nov 2025 639th bricknellj 705 96 9ms 26 May 2022 639th nwellnhof 🇩🇪 705 96 9ms 6 Dec 2022 First Prev 561–640 of 2,217 Next Last