The Calendar hole will go live in approximately 10 days. Why not try and solve it ahead of time?
φ 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 yokasuretsu 816 62 47ms 19 Apr 2018 561st thisishowmymindworks 🇳🇴 816 62 10ms 17 Oct 2020 561st Shanethegamer 🇺🇸 816 62 11ms 22 Mar 2021 561st KatieLG 🇬🇧 816 62 12ms 6 May 2021 561st QuincyNash 🇺🇸 816 62 12ms 14 Jan 2022 561st jmerle 🇳🇱 816 62 12ms 22 Jan 2022 561st hiichbindermax 816 62 12ms 25 Feb 2022 561st CarsonChr 🇺🇸 816 62 12ms 21 Sep 2022 561st ValentinCassayre 816 62 12ms 9 Oct 2022 561st hellwue 816 62 12ms 8 Feb 2023 561st crispshaker 816 62 12ms 18 Mar 2023 561st bac0id 816 62 12ms 26 Sep 2023 561st enbyte 816 62 12ms 9 Dec 2023 561st zwxzwxzwx21 816 62 12ms 30 Jan 2024 561st roupiq 🇵🇱 816 62 12ms 18 Apr 2024 561st Herbert00709 🇵🇱 816 62 17ms 8 May 2024 561st vgamula 🇺🇦 816 62 13ms 18 May 2024 561st Flekay 🇩🇪 816 62 12ms 10 Jul 2025 579th ovs-code 🇩🇪 813 30 547ms 5 Jan 2024 580th DialFrost 🇸🇬 811 89 552ms 29 Jul 2024 581st edsrzf 🇳🇿 811 100 543ms 17 Nov 2025 582nd piano-miles 810 59 15ms 19 Feb 2023 582nd CatsAreFluffy 810 59 10ms 19 Feb 2023 584th SirBogman 🇺🇸 810 72 1,283ms 4 Jan 2022 585th Steffan153 🇫🇮 809 59 5ms 12 Dec 2023 585th dokutan 809 59 5ms 31 Dec 2023 585th DialFrost 🇸🇬 809 59 6ms 16 Dec 2024 585th kg583 🇺🇸 809 59 5ms 15 Sep 2025 589th o0lit3 🇺🇸 806 28 41ms 29 Sep 2021 589th tidalDisruptionEvent 🇨🇦 806 28 40ms 10 Mar 2023 591st DialFrost 🇸🇬 806 125 51ms 7 May 2025 592nd jhu04 803 63 9ms 24 Sep 2022 592nd Command-Master 803 63 9ms 23 Sep 2023 594th MeWhenI 🇻🇦 803 101 1,516ms 7 Nov 2025 595th ovs-code 🇩🇪 798 62 5ms 11 Mar 2023 596th elgan65536 798 132 283ms 18 Nov 2023 597th cywong-amino 🇭🇰 796 60 37ms 2 Jul 2020 597th didion0 🇺🇸 796 60 10ms 9 Feb 2022 597th dmrichwa 🇺🇸 796 60 15ms 15 Jun 2022 600th DialFrost 🇸🇬 796 66 925ms 23 Aug 2024 601st DialFrost 🇸🇬 796 102 537ms 26 Sep 2025 601st stefangimmillaro 796 102 565ms 6 Oct 2025 603rd ovs-code 🇩🇪 795 60 381ms 10 Dec 2023 604th SirBogman 🇺🇸 795 112 446ms 21 Nov 2021 605th MeWhenI 🇻🇦 791 89 125ms 15 Oct 2022 606th LucasBertocchini 790 64 9ms 11 Dec 2020 606th walterfeyman 790 64 12ms 30 Oct 2021 606th davidsaltacc 790 64 12ms 16 Nov 2023 606th MaxElf999 790 64 10ms 15 Feb 2024 606th KasperKivimaeki 🇫🇮 790 64 75ms 16 Jul 2025 611th ovs-code 🇩🇪 788 102 1,144ms 3 days ago 612th namelessiw 788 103 449ms 7 Oct 2025 613th annaproxy 788 113 470ms 5 Apr 2022 613th CaedenHarper 🇨🇦 788 113 923ms 19 Oct 2025 615th prplz 🇦🇺 787 56 553ms 25 Jun 2020 616th DialFrost 🇸🇬 787 161 1,713ms 15 Sep 2025 617th primo-ppcg 🇹🇭 786 133 73ms 10 days ago 618th roguh 🇬🇹 785 63 5ms 26 Jan 2024 619th MeWhenI 🇻🇦 783 43 44ms 29 Dec 2024 620th Yax42 🇫🇷 781 114 421ms 25 Dec 2024 621st lifthrasiir 🇰🇷 781 316 1,507ms 15 Dec 2024 622nd SirBogman 🇺🇸 780 134 63ms 25 May 2023 623rd ovs-code 🇩🇪 778 59 235ms 3 Aug 2024 623rd emgordon154 778 59 123ms 10 Aug 2024 625th yzhs 🇩🇪 778 65 13ms 25 Oct 2020 625th bwenstar 778 65 10ms 9 Aug 2022 625th nstearns96 🇬🇧 778 65 10ms 15 Sep 2023 625th keelimeguy 🇺🇸 778 65 11ms 6 Nov 2023 625th GeorgeStechman 🇬🇧 778 65 44ms 6 Jan 2024 630th jared-hughes 776 73 123ms 15 Sep 2023 631st KasperKivimaeki 🇫🇮 775 135 66ms 20 Nov 2025 632nd acotis 775 184 153ms 28 Jun 2025 633rd ovs-code 🇩🇪 774 91 172ms 9 Jul 2024 633rd DialFrost 🇸🇬 774 91 142ms 23 Mar 2025 635th MeWhenI 🇻🇦 773 57 342ms 14 Jul 2024 636th Steffan153 🇫🇮 773 93 4,071ms 30 Aug 2024 636th sean-niemann 🇺🇸 773 93 4,003ms 25 Jun 2025 638th duckyluuk 🇳🇱 773 105 420ms 25 Sep 2025 639th MeWhenI 🇻🇦 772 68 961ms 12 May 2023 640th itsh01 771 62 53ms 14 Sep 2022 First Prev 561–640 of 2,419 Next Last