The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
φ in Python 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 236th pecholsjones 707 75 12ms 12 Dec 2021 236th BerkeAltiparmak 707 75 12ms 23 May 2022 236th asadullayev 707 75 12ms 8 Jul 2022 236th kenny14231 707 75 12ms 5 Aug 2022 236th jtaxen 707 75 11ms 4 Jan 2023 236th DrPiranoid 707 75 12ms 26 Mar 2023 236th Mikey-Beep 🇬🇧 707 75 23ms 24 Aug 2023 236th rollershutter 707 75 12ms 27 May 2024 236th Gopalkataria 🇮🇳 707 75 12ms 24 Feb 2025 250th Quiet-Clicking-Sounds 688 77 11ms 4 Dec 2019 250th xkacer 🇨🇿 688 77 12ms 25 Jan 2021 250th Vinterion 688 77 12ms 23 Jul 2023 250th davidsaltacc 688 77 12ms 16 Nov 2023 250th mohammad-sayed-ahmad 688 77 11ms 21 Jul 2024 255th ArturLange 679 78 24ms 12 Sep 2018 255th Anthony-Williams-06 679 78 23ms 5 Dec 2022 257th trist224 🇫🇷 671 79 12ms 25 Dec 2022 257th TaserTheFox 🇺🇸 671 79 24ms 27 Mar 2023 257th jacekwladzinski 671 79 11ms 6 Oct 2025 257th nulzo 671 79 12ms 19 Oct 2025 261st alangodfrey 663 80 24ms 10 Jun 2019 261st GalladeGuy 🇺🇸 663 80 12ms 23 May 2020 261st kyleclaassen 663 80 12ms 25 May 2023 261st keelimeguy 🇺🇸 663 80 12ms 6 Nov 2023 261st robin-scragg 663 80 23ms 25 Oct 2025 266th Starwort 🇬🇧 654 81 12ms 29 Dec 2019 266th guliyevemil1 🇦🇿 654 81 12ms 16 Apr 2020 266th redbeancola 654 81 12ms 11 Oct 2021 266th stertooy 🇧🇪 654 81 11ms 11 Jun 2024 266th 0dyse 654 81 12ms 29 Apr 2025 271st hiddicop 🇸🇪 639 83 12ms 30 Jan 2021 271st cbrt-x 639 83 12ms 26 Sep 2021 271st AkashTandon167 639 83 9ms 1 Nov 2021 271st jamespeilunli 639 83 23ms 29 Dec 2021 271st eiburns 639 83 9ms 10 May 2023 271st Vaekor 639 83 9ms 9 Jul 2023 271st WillowWispy 639 83 9ms 20 Mar 2025 278th kirbyyourmom 🇬🇧 631 84 11ms 8 Mar 2021 278th ToE42 631 84 12ms 7 Sep 2021 278th JunkIce 631 84 12ms 1 Oct 2024 281st aiarzhantsev 624 85 725ms 14 Oct 2022 281st glassala 624 85 12ms 25 Dec 2024 283rd twocatsinatrenchcoat 616 86 24ms 15 Apr 2022 283rd Drew-j-Smith 616 86 12ms 11 Jan 2023 283rd ComputerKWasTaken 🇺🇸 616 86 12ms 5 Sep 2024 283rd RaBa21 🇭🇺 616 86 26ms 18 Jul 2025 283rd cthierfelder 🇲🇨 616 86 13ms 4 Sep 2025 288th lmeuser 609 87 11ms 2 Dec 2017 288th rschwa6308 🇺🇸 609 87 184ms 4 Feb 2022 288th dionjw 609 87 12ms 22 Mar 2022 288th vhoulbreque 🇫🇷 609 87 12ms 13 Aug 2022 288th nurinbat 609 87 11ms 19 Sep 2023 288th thienudomsrirungruang 609 87 11ms 1 Apr 2024 288th NickTheEASDude 🇺🇸 609 87 31ms 11 Oct 2024 288th Cube14yt 609 87 21ms 19 Nov 2025 296th knutae 🇳🇴 602 88 66ms 15 Jul 2021 296th andre-lameirinhas 🇵🇹 602 88 55ms 24 Aug 2022 296th wh3n3v3r 🇨🇿 602 88 11ms 8 Nov 2024 299th adamnielson42 🇺🇸 596 89 40ms 15 Nov 2023 299th lhulinsky 596 89 96ms 22 Oct 2024 301st CutSandstone 589 90 203ms 3 Jul 2024 301st Alex-Huggett 🇬🇧 589 90 52ms 22 Oct 2024 303rd amollberg 🇸🇪 582 91 17ms 25 Jan 2022 303rd dwahdany 582 91 11ms 14 Jul 2022 303rd EyalLitvin 582 91 142ms 20 Nov 2022 306th cingulataluke 576 92 12ms 26 Aug 2023 307th OSYCh314 🇦🇺 570 93 23ms 10 Nov 2024 308th abailey2020 🇺🇸 564 94 42ms 12 Apr 2020 308th roguh 🇬🇹 564 94 23ms 9 Jan 2024 308th Upload-and-View 🇺🇦 564 94 12ms 9 Aug 2025 311th PFischbeck 558 95 28ms 17 Nov 2017 312th martinnorling 🇸🇪 541 98 17ms 30 Mar 2022 312th LukasFolwarczny 🇨🇿 541 98 156ms 15 Sep 2022 312th Festyve 541 98 12ms 18 Mar 2023 315th Code-Coder-coder 535 99 50ms 25 days ago 316th driri85 530 100 12ms 7 Jan 2025 317th CRHillman 525 101 14ms 13 Aug 2018 318th boxjelly 505 105 23ms 8 Jan 2021 319th zuparnowa 500 106 13ms 1 Feb 2019 319th henrytranter 500 106 13ms 20 Sep 2019 First Prev 241–320 of 401 Next Last