The Calendar hole will go live in approximately 9 days. Why not try and solve it ahead of time?
Seven Segment 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 640th tnecio 623 174 10ms 21 Apr 2021 640th EnTerr 623 174 9ms 26 Aug 2024 643rd Stenzel 622 163 2ms 22 Mar 2021 644th MeWhenI 🇻🇦 622 189 3ms 2 Oct 2022 645th janbehrens 🇩🇪 620 129 256ms 3 Dec 2023 646th iczelia 🇩🇪 620 165 9ms 17 Oct 2025 647th lynn 620 201 14ms 17 Nov 2021 648th StefanHabel 🇨🇦 619 175 10ms 25 Mar 2023 649th iczelia 🇩🇪 619 192 2ms 19 Oct 2025 650th jacobly0 🇺🇸 619 255 1,745ms 22 Apr 2024 650th MeWhenI 🇻🇦 619 255 1,778ms 7 Nov 2025 652nd stefangimmillaro 618 134 1ms 26 Oct 2025 653rd Shanethegamer 🇺🇸 618 183 74ms 29 May 2022 654th aksyristos 618 198 517ms 28 Oct 2024 655th GolfingSuccess 🇬🇷 617 101 53ms 18 Mar 2023 656th daisy-lau 616 166 9ms 16 Jun 2020 656th sebipopa 🇷🇴 616 166 9ms 12 May 2023 658th cellobix 616 176 10ms 15 Aug 2019 658th petar-donchev 616 176 10ms 28 Aug 2019 658th Troon 616 176 9ms 8 Nov 2022 658th fgrosshans 🇫🇷 616 176 10ms 6 May 2023 658th Openstreetmapler 616 176 9ms 5 May 2025 663rd Shanethegamer 🇺🇸 615 194 2ms 28 Apr 2022 664th 1231234md5 🇨🇳 615 199 509ms 8 Jan 2024 665th Yewzir 🇧🇪 615 227 2ms 5 Jul 2023 666th dokutan 614 135 2ms 2 Mar 2024 667th Shanethegamer 🇺🇸 614 230 274ms 1 Apr 2022 668th Yewzir 🇧🇪 613 202 6ms 24 Dec 2023 669th janbehrens 🇩🇪 612 138 4ms 29 May 2021 670th neihousaigaai 612 167 9ms 13 May 2021 671st elldur 612 177 10ms 17 Mar 2019 671st knutae 🇳🇴 612 177 10ms 20 Jul 2019 671st neihousaigaai 612 177 10ms 17 Apr 2021 671st rschwa6308 🇺🇸 612 177 10ms 18 Aug 2021 671st starfihs 612 177 9ms 21 Jul 2024 676th yzhs 🇩🇪 611 134 1,102ms 3 Aug 2021 677th scpchicken 🇵🇼 610 135 36ms 7 Mar 2022 678th Decrare 610 166 417ms 7 Sep 2025 679th Babafaba 609 155 523ms 25 Oct 2025 680th akshatj27 🇦🇶 609 168 9ms 28 Dec 2021 680th voytxt 🇨🇿 609 168 9ms 26 Jan 2025 682nd ionutm82 609 178 9ms 14 May 2019 682nd CedricGebistorf 609 178 11ms 27 Feb 2022 682nd ndren 609 178 9ms 28 Sep 2023 685th labster 608 161 6ms 11 Mar 2018 686th Laksen 🇩🇰 608 227 25ms 8 Jul 2021 687th MeWhenI 🇻🇦 606 132 278ms 28 Jan 2023 687th nullshallot 606 132 285ms 9 Jan 2025 689th TheAristos 606 179 10ms 21 Oct 2019 689th TaserTheFox 🇺🇸 606 179 10ms 15 May 2023 689th jatloe 606 179 9ms 23 Oct 2024 692nd mossprescott 606 217 120ms 10 Aug 2018 693rd jerrandolph 606 233 268ms 18 Apr 2020 694th Mikaeel66 605 169 9ms 11 Nov 2019 694th pandapawskat 605 169 9ms 30 Sep 2021 694th HenryTy83 605 169 9ms 4 Dec 2022 697th retrohun 604 140 9ms 29 Oct 2019 698th adamnielson42 🇺🇸 604 155 2ms 11 Sep 2023 699th ericlangedijk 🇸🇮 603 168 331ms 24 Feb 2022 699th Natanaelel 🇸🇪 603 168 2ms 5 Jul 2023 701st AlexDaniel 🇪🇪 602 118 111ms 14 Mar 2018 702nd ehouais 602 170 9ms 10 Oct 2018 702nd eranws 602 170 8ms 2 Sep 2022 704th 20kdc 602 198 2ms 13 Oct 2021 705th Shanethegamer 🇺🇸 602 239 40ms 12 Sep 2024 706th edsrzf 🇳🇿 601 163 7ms 22 Sep 2024 707th dokutan 601 206 6ms 19 May 2024 708th jwhear 🇺🇸 600 263 1,781ms 30 Sep 2024 709th jared-hughes 599 141 3ms 17 Jul 2022 710th dokutan 599 157 713ms 29 Aug 2025 711th Alex-x90 🇺🇸 599 169 1ms 20 Dec 2022 712th adesanjo 599 181 10ms 24 Oct 2019 712th mathisfun271 599 181 9ms 27 Oct 2021 712th NicoAdams 599 181 9ms 21 Dec 2021 715th bobesa 598 171 9ms 13 Oct 2017 715th JRaspass 🇬🇧 598 171 9ms 7 Jul 2020 715th raphaelimahorn 598 171 9ms 26 Oct 2022 718th yzhs 🇩🇪 598 220 124ms 23 Jun 2022 719th msbranicky 597 165 1ms 11 Oct 2023 720th albanian-laundromat 597 192 95ms 11 Jul 2025 First Prev 641–720 of 1,462 Next Last