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 400th Artemis21 🇬🇧 796 85 11ms 10 Jan 2025 400th fkantelberg 796 85 9ms 15 Jul 2025 403rd emgordon154 796 108 4ms 6 Jun 2025 404th GrayJoKing 🇦🇺 796 130 7ms 21 days ago 405th stefangimmillaro 796 160 453ms 6 Oct 2025 406th stefangimmillaro 796 162 103ms 3 Jun 2022 406th Shanethegamer 🇺🇸 796 162 134ms 3 Jun 2022 408th sisyphus-ppcg 🇦🇺 796 204 1ms 15 Jul 2022 409th stefangimmillaro 795 122 3,986ms 15 Nov 2024 410th kellengreen 795 123 10ms 20 Sep 2024 410th snoozingnewt 🇨🇦 795 123 9ms 5 Oct 2025 412th snoozingnewt 🇨🇦 795 137 40ms 11 days ago 413th m-tkach 🇺🇦 795 151 400ms 1 Apr 2022 414th Kacarott 🇦🇺 793 124 60ms 9 days ago 415th AlephSquirrel 792 135 6ms 3 Oct 2024 416th Shanethegamer 🇺🇸 792 159 2ms 21 Mar 2023 417th albanian-laundromat 792 179 269ms 10 days ago 418th albanian-laundromat 791 82 457ms 12 Sep 2025 418th snoozingnewt 🇨🇦 791 82 385ms 5 Oct 2025 420th MeWhenI 🇻🇦 791 128 2ms 27 Mar 2022 420th NewDefectus 🇮🇱 791 128 1ms 2 Apr 2022 420th Romain-1 🇫🇷 791 128 1ms 2 May 2022 420th ListeriaM 791 128 2ms 20 Aug 2023 424th Shanethegamer 🇺🇸 790 123 1ms 21 Mar 2023 425th dpethes 790 152 388ms 8 Jan 2024 425th Yewzir 🇧🇪 790 152 398ms 19 Jun 2024 427th MeWhenI 🇻🇦 789 109 4ms 16 Aug 2024 428th emgordon154 789 168 130ms 19 Apr 2025 429th tatzyr 🇯🇵 788 78 45ms 9 Feb 2025 430th GrayJoKing 🇦🇺 788 124 9ms 29 Mar 2022 430th dokutan 788 124 9ms 21 Aug 2024 432nd StarmaQ 788 142 1ms 27 Mar 2022 432nd aDwarfNamedUrist 788 142 2ms 9 Dec 2022 434th primo-ppcg 🇹🇭 786 136 6ms 22 Jan 2023 435th dpethes 786 190 55ms 5 days ago 436th BREMAUCY 🇫🇷 786 319 10ms 7 Aug 2025 437th prestosilver 🇺🇸 784 129 2ms 13 Nov 2025 438th albanian-laundromat 783 124 1ms 2 Oct 2025 439th RockOfStone 783 143 1ms 23 Mar 2024 440th BlankSpruce 783 151 61ms 22 Aug 2024 441st Shanethegamer 🇺🇸 781 83 370ms 16 Jan 2024 441st KatieLG 🇬🇧 781 83 397ms 28 Oct 2024 443rd edsrzf 🇳🇿 780 117 1ms 21 Jun 2025 443rd rucin93 🇵🇱 780 117 1ms 14 Nov 2025 445th billings7 🇬🇧 779 154 361ms 17 May 2022 445th arctouch-cristiannevianna 779 154 401ms 9 Feb 2024 447th CaedenHarper 🇨🇦 779 182 260ms 4 Nov 2025 448th janbehrens 🇩🇪 779 322 10ms 2 Aug 2023 449th neel11235813 778 79 43ms 1 Mar 2023 449th ovs-code 🇩🇪 778 79 37ms 27 May 2024 451st MeWhenI 🇻🇦 778 87 9ms 27 Mar 2022 451st xnor-gate 778 87 10ms 28 Oct 2022 451st lynn 778 87 10ms 3 Apr 2023 451st tayadev 778 87 9ms 18 Nov 2023 451st dokutan 778 87 9ms 15 Aug 2024 456th tailorspy 778 152 460ms 24 May 2024 456th zygoloid 778 152 77ms 4 Aug 2024 458th voytxt 🇨🇿 776 126 8ms 1 Mar 2023 459th oeb25 776 171 118ms 16 May 2022 460th CLOStrophobic 🇮🇹 775 132 41ms 8 Mar 2025 461st postie77 774 155 378ms 16 Mar 2023 462nd KatieLG 🇬🇧 774 324 10ms 26 Sep 2024 463rd KasperKivimaeki 🇫🇮 772 114 5ms 6 days ago 464th c0d3-4-F00d 🇩🇪 772 131 2ms 28 Mar 2022 464th Natanaelel 🇸🇪 772 131 1ms 26 May 2022 464th User2654 772 131 1ms 10 Feb 2023 464th Shanethegamer 🇺🇸 772 131 1ms 21 Mar 2023 464th BlankSpruce 772 131 2ms 17 Aug 2024 469th MeWhenI 🇻🇦 772 325 9ms 1 Aug 2023 470th primo-ppcg 🇹🇭 771 108 8ms 30 Mar 2022 471st Salutations45 771 126 1ms 16 Jan 2025 472nd CarsonChr 🇺🇸 771 172 135ms 11 Jul 2024 473rd Yewzir 🇧🇪 770 128 107ms 14 Sep 2023 474th Alex-x90 🇺🇸 769 88 9ms 14 Oct 2022 475th pilaf 🇦🇷 769 107 1,130ms 5 Apr 2022 475th Shanethegamer 🇺🇸 769 107 1,052ms 21 Mar 2023 477th YuryChaikou-ServiceNow 769 156 401ms 27 Oct 2022 477th h45h74x 769 156 415ms 5 Nov 2025 479th DialFrost 🇸🇬 767 132 1ms 14 Dec 2023 480th Yewzir 🇧🇪 767 135 7ms 4 Jan 2025 First Prev 401–480 of 2,217 Next Last