The Calendar hole will go live in approximately 13 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 320th Natanaelel 🇸🇪 917 33 51ms 4 Aug 2023 320th scpchicken 🇵🇼 917 33 51ms 4 Jul 2024 320th CaedenHarper 🇨🇦 917 33 50ms 10 Aug 2025 324th ovs-code 🇩🇪 917 58 1,899ms 13 Jun 2025 325th Lydxn 🇨🇦 914 51 182ms 9 Jan 2022 325th sean-niemann 🇺🇸 914 51 178ms 25 Mar 2025 327th stefangimmillaro 914 58 904ms 14 Oct 2025 328th JayXon 🇺🇸 912 99 425ms 21 Nov 2021 328th primo-ppcg 🇹🇭 912 99 426ms 21 Nov 2021 328th btnlq 912 99 403ms 3 Mar 2023 328th fuzzylojik-golf 🇺🇸 912 99 441ms 16 Jul 2025 328th AdrienHache 🇫🇷 912 99 412ms 23 days ago 333rd canissimia 🇦🇶 912 249 243ms 9 Feb 2024 334th pardouin 🇫🇷 911 51 149ms 28 Feb 2025 335th MeWhenI 🇻🇦 910 55 55ms 25 Apr 2024 336th Lydxn 🇨🇦 910 78 119ms 2 Mar 2023 337th SirBogman 🇺🇸 909 55 429ms 16 Jan 2024 337th duckyluuk 🇳🇱 909 55 448ms 26 Mar 2024 337th albanian-laundromat 909 55 429ms 8 Sep 2025 340th JayXon 🇺🇸 908 81 525ms 12 Mar 2022 340th ovs-code 🇩🇪 908 81 556ms 16 Jun 2024 342nd JayXon 🇺🇸 908 87 192ms 26 Sep 2023 343rd prplz 🇦🇺 907 53 29ms 25 Oct 2019 343rd tomtheisen 🇺🇸 907 53 29ms 30 Sep 2020 343rd nwellnhof 🇩🇪 907 53 24ms 31 Oct 2021 343rd trinityy-7 907 53 28ms 1 Feb 2024 343rd targrik 907 53 28ms 18 Feb 2025 343rd Ultra814 907 53 28ms 26 Aug 2025 349th Constructor7 907 57 25ms 23 Feb 2018 349th btjones0 907 57 9ms 6 Dec 2021 349th emgordon154 907 57 24ms 21 Dec 2021 349th programjames 907 57 51ms 6 May 2022 349th RDShah 907 57 38ms 8 May 2022 349th nullie 907 57 9ms 18 Jun 2022 349th LogicalJoe 907 57 9ms 6 Sep 2022 349th jakobkordez 🇸🇮 907 57 10ms 21 Nov 2022 349th fkantelberg 907 57 36ms 6 Aug 2023 349th RYNO8 907 57 72ms 22 Aug 2023 349th jacobly0 🇺🇸 907 57 9ms 1 Sep 2023 349th wuzekai518 907 57 27ms 12 Jun 2024 349th jatloe 907 57 72ms 27 Sep 2024 349th lifthrasiir 🇰🇷 907 57 10ms 3 Dec 2024 349th agreegious 907 57 72ms 16 Mar 2025 349th Mr-McChicken 907 57 31ms 4 Oct 2025 349th solisolu 907 57 16ms 18 Nov 2025 349th snoozingnewt 🇨🇦 907 57 16ms 25 days ago 367th primo-ppcg 🇹🇭 907 114 6ms 21 Sep 2021 367th DialFrost 🇸🇬 907 114 6ms 25 Nov 2024 367th sean-niemann 🇺🇸 907 114 6ms 9 Jan 2025 370th andersk 🇺🇸 906 63 122ms 21 Mar 2020 370th JayXon 🇺🇸 906 63 126ms 28 Nov 2021 370th Natanaelel 🇸🇪 906 63 127ms 23 Apr 2025 373rd lynn 905 65 1,290ms 30 Nov 2021 374th Steffan153 🇫🇮 905 110 102ms 29 Aug 2024 375th inventshah 905 116 1,415ms 23 Jul 2024 376th primo-ppcg 🇹🇭 905 158 130ms 5 Apr 2025 377th GrayJoKing 🇦🇺 904 60 132ms 29 May 2022 377th Steffan153 🇫🇮 904 60 202ms 29 Aug 2024 379th sean-niemann 🇺🇸 903 100 442ms 7 Aug 2023 379th ovs-code 🇩🇪 903 100 442ms 27 Aug 2024 381st dvargas46 🇺🇸 902 106 2,134ms 18 Mar 2023 382nd sean-niemann 🇺🇸 900 92 296ms 25 Jun 2025 383rd GrayJoKing 🇦🇺 899 42 98ms 15 Sep 2023 383rd GrayJoKing 🇦🇺 899 42 3ms 5 Oct 2023 385th SirBogman 🇺🇸 899 115 6ms 25 May 2023 385th Steffan153 🇫🇮 899 115 6ms 2 Feb 2024 387th sean-niemann 🇺🇸 899 148 274ms 30 Dec 2024 388th JayXon 🇺🇸 898 79 117ms 16 Oct 2022 388th Steffan153 🇫🇮 898 79 119ms 10 Apr 2023 388th sean-niemann 🇺🇸 898 79 127ms 23 Mar 2025 391st annaproxy 897 52 174ms 27 Oct 2023 392nd primo-ppcg 🇹🇭 897 119 343ms 5 Oct 2020 392nd argusdusty 🇺🇸 897 119 296ms 26 Dec 2020 392nd Lydxn 🇨🇦 897 119 350ms 14 Jul 2021 392nd stefangimmillaro 897 119 265ms 14 Nov 2023 392nd edsrzf 🇳🇿 897 119 282ms 26 Dec 2024 392nd fuzzylojik-golf 🇺🇸 897 119 243ms 3 Aug 2025 398th ListeriaM 896 40 219ms 22 Aug 2023 399th primo-ppcg 🇹🇭 896 113 44ms 26 Apr 2025 400th primo-ppcg 🇹🇭 896 190 3,769ms 10 Mar 2023 First Prev 321–400 of 2,440 Next Last