The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
φ in all languages in bytes. 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 Bytes Time Submitted 721st Shanethegamer 🇺🇸 725 69 419ms 16 Jan 2024 722nd GolfingSuccess 🇬🇷 725 812 641ms 10 Aug 2022 723rd MeWhenI 🇻🇦 723 69 11ms 2 May 2022 724th Irratix 🇳🇱 723 79 125ms 25 Sep 2021 725th annaproxy 722 47 93ms 27 Aug 2022 726th SirFireball3521 719 37 471ms 14 Mar 2023 727th jdidion 718 72 23ms 20 Feb 2018 727th ay2718 718 72 566ms 19 Oct 2019 727th OllieBoyne 🇬🇧 718 72 23ms 19 Jan 2021 727th lmolteno 718 72 23ms 5 Mar 2021 727th Wodinthemighty 718 72 24ms 4 May 2021 727th jacklynnepenick 718 72 9ms 26 Aug 2021 727th dillon-duncando 718 72 24ms 6 Dec 2021 727th quimey 718 72 12ms 24 Mar 2023 727th anonymaew 718 72 28ms 2 Aug 2023 727th ei14 718 72 10ms 7 May 2024 727th luftj 718 72 23ms 11 Dec 2024 738th CatsAreFluffy 714 80 117ms 7 Dec 2022 739th m-tkach 🇺🇦 713 227 80ms 17 Dec 2023 740th LS2021 712 127 404ms 24 Nov 2023 741st trinityy-7 710 41 8ms 16 Feb 2024 742nd Herbert00709 🇵🇱 710 148 70ms 9 Apr 2024 743rd PyPylia 🇦🇺 708 73 22ms 24 May 2021 743rd tetraxile 708 73 24ms 3 Oct 2021 743rd jfallon1997 708 73 23ms 3 Jan 2023 743rd aksyristos 708 73 23ms 23 Jan 2023 743rd RandGuy 708 73 23ms 25 Jan 2024 748th MeWhenI 🇻🇦 708 188 499ms 4 Mar 2025 749th yokasuretsu 707 48 75ms 17 Apr 2018 749th BrenSchaap 707 48 192ms 13 Nov 2021 749th emgordon154 707 48 37ms 21 Dec 2021 749th SirBogman 🇺🇸 707 48 100ms 11 Jan 2023 749th jared-hughes 707 48 198ms 20 Jan 2023 749th Mukundan314 707 48 36ms 17 Apr 2025 755th 52525rr 707 68 8ms 12 Jun 2025 756th GolfingSuccess 🇬🇷 705 71 386ms 15 Jan 2024 756th dokutan 705 71 380ms 1 Jun 2024 758th rucin93 🇵🇱 705 136 187ms 14 Nov 2025 759th GrayJoKing 🇦🇺 705 322 98ms 6 Dec 2020 760th msbranicky 703 51 154ms 12 Jan 2024 760th Emutis 🇱🇹 703 51 189ms 14 Oct 2025 762nd DialFrost 🇸🇬 703 171 67ms 27 Mar 2025 763rd emgordon154 700 71 3,599ms 28 Oct 2024 763rd inventshah 700 71 3,384ms 28 Oct 2024 763rd DialFrost 🇸🇬 700 71 3,312ms 26 Dec 2024 766th emgordon154 699 69 6ms 10 Dec 2024 767th mueller14003 699 74 11ms 7 Apr 2018 767th ly0va 699 74 12ms 3 Jan 2019 767th skps2010 699 74 11ms 12 Jan 2019 767th markus-rekdal 699 74 23ms 31 May 2019 767th hoodadam 699 74 11ms 19 Jul 2019 767th dzhang314 699 74 12ms 14 Aug 2019 767th marcin7Cd 699 74 13ms 4 Sep 2019 767th sk- 699 74 12ms 11 Sep 2019 767th Haksell 🇦🇶 699 74 12ms 1 Dec 2019 767th yzhs 🇩🇪 699 74 12ms 19 Jan 2020 767th Jviscus1 699 74 13ms 24 Apr 2020 767th itiievskyi 🇺🇦 699 74 11ms 6 Aug 2020 767th Maltysen 699 74 11ms 26 Sep 2020 767th KatieLG 🇬🇧 699 74 12ms 6 Nov 2020 767th ydevor 🇮🇱 699 74 12ms 22 Feb 2021 767th stordev 699 74 14ms 26 Feb 2021 767th Indivicivet 699 74 11ms 18 Mar 2021 767th neihousaigaai 699 74 12ms 28 Mar 2021 767th enbyte 699 74 12ms 4 Jun 2021 767th walterfeyman 699 74 12ms 30 Oct 2021 767th ehulinsky 🇺🇸 699 74 12ms 10 Nov 2021 767th sleepyStick 699 74 11ms 7 Dec 2021 767th QuincyNash 🇺🇸 699 74 12ms 14 Jan 2022 767th jmerle 🇳🇱 699 74 12ms 22 Jan 2022 767th Bonjour27891 🇻🇳 699 74 12ms 10 Feb 2022 767th hiichbindermax 699 74 12ms 25 Feb 2022 767th PeterDekkers 699 74 23ms 7 Aug 2022 767th Bananapants22 699 74 12ms 16 Aug 2022 767th CarsonChr 🇺🇸 699 74 12ms 21 Sep 2022 767th suwat513 699 74 12ms 23 Sep 2022 767th ValentinCassayre 699 74 12ms 9 Oct 2022 767th Omega65536 🇩🇪 699 74 12ms 23 Nov 2022 767th neel11235813 699 74 11ms 11 Jan 2023 767th 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