The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Ordinal Numbers 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 480th MeWhenI 🇻🇦 861 36 75ms 13 Aug 2022 480th Steffan153 🇫🇮 861 36 85ms 19 Dec 2022 480th primo-ppcg 🇹🇭 861 36 71ms 1 Feb 2023 480th GolfingSuccess 🇬🇷 861 36 94ms 26 Nov 2023 480th AlephSquirrel 861 36 76ms 14 Jan 2024 480th pardouin 🇫🇷 861 36 276ms 26 Oct 2024 480th emgordon154 861 36 60ms 6 Sep 2025 488th inventshah 861 58 7ms 14 May 2022 488th frankgraziano 861 58 7ms 25 Apr 2025 490th sisyphus-ppcg 🇦🇺 860 50 2ms 3 Nov 2022 490th MeWhenI 🇻🇦 860 50 2ms 4 Nov 2022 490th Steffan153 🇫🇮 860 50 2ms 19 Dec 2022 490th DialFrost 🇸🇬 860 50 2ms 28 Jan 2023 494th prplz 🇦🇺 860 54 53ms 15 Feb 2021 494th primo-ppcg 🇹🇭 860 54 42ms 16 Feb 2021 496th edsrzf 🇳🇿 859 118 154ms 20 days ago 497th acodon 858 86 3ms 11 Jul 2019 497th DaDerpDuck 858 86 3ms 22 Jan 2021 499th davitf 858 92 12ms 18 Aug 2019 499th myleopard 858 92 12ms 15 Oct 2021 499th RYNO8 858 92 12ms 12 Dec 2021 499th aksyristos 858 92 12ms 25 Jan 2023 499th wen1now 858 92 19ms 8 Nov 2023 499th anter69 🇭🇺 858 92 12ms 2 Apr 2024 499th bzijlema 🇳🇱 858 92 11ms 9 Oct 2024 499th lifthrasiir 🇰🇷 858 92 13ms 11 Nov 2024 499th Pyroan 858 92 11ms 17 Jan 2025 499th moustave 858 92 13ms 27 Jun 2025 499th solisolu 858 92 12ms 7 Nov 2025 499th Lv0Sys 🇵🇱 858 92 12ms 15 days ago 511th JayXon 🇺🇸 858 180 1,723ms 22 Apr 2024 512th emgordon154 858 212 526ms 30 Mar 2025 513th jipsong 🇩🇪 857 102 162ms 9 Jun 2025 514th sean-niemann 🇺🇸 856 113 533ms 6 Feb 2022 514th nwellnhof 🇩🇪 856 113 404ms 21 Jun 2022 514th ovs-code 🇩🇪 856 113 471ms 3 Jun 2024 517th MeWhenI 🇻🇦 855 89 101ms 15 Oct 2022 517th Steffan153 🇫🇮 855 89 99ms 18 Oct 2022 517th stefangimmillaro 855 89 105ms 21 Oct 2022 517th sean-niemann 🇺🇸 855 89 103ms 25 May 2025 521st Attero 🇸🇪 855 94 2ms 24 May 2020 521st inventshah 855 94 2ms 25 Apr 2023 523rd stefangimmillaro 855 106 111ms 7 Oct 2022 523rd primo-ppcg 🇹🇭 855 106 136ms 12 Apr 2025 525th lifthrasiir 🇰🇷 855 172 52ms 13 Dec 2024 526th marcin7Cd 854 87 24ms 8 Feb 2021 527th Yax42 🇫🇷 854 96 402ms 17 Dec 2024 528th arjanadriaanse 🇳🇱 854 133 178ms 15 Nov 2021 529th moikaturns 🇬🇧 853 75 10ms 8 Dec 2022 529th biocommando 🇫🇮 853 75 10ms 29 Dec 2022 531st sean-niemann 🇺🇸 853 79 3ms 17 Jan 2024 531st Steffan153 🇫🇮 853 79 3ms 29 Jan 2024 533rd kg583 🇺🇸 853 94 5ms 19 days ago 534th angel-p57 🇯🇵 852 120 5ms 11 Dec 2023 535th primo-ppcg 🇹🇭 851 77 306ms 22 Oct 2020 536th ovs-code 🇩🇪 851 78 6ms 10 Feb 2023 536th GrayJoKing 🇦🇺 851 78 6ms 20 Mar 2023 538th DialFrost 🇸🇬 851 118 577ms 24 Sep 2025 538th sean-niemann 🇺🇸 851 118 539ms 24 Sep 2025 538th nwellnhof 🇩🇪 851 118 521ms 25 Sep 2025 538th MeWhenI 🇻🇦 851 118 507ms 7 Nov 2025 542nd GrayJoKing 🇦🇺 850 109 21ms 24 Nov 2021 543rd Shanethegamer 🇺🇸 850 117 445ms 19 Jan 2024 543rd DialFrost 🇸🇬 850 117 490ms 2 Dec 2024 545th okhoel 🇳🇴 849 63 261ms 20 Sep 2022 546th AforAmpere 849 93 12ms 6 Jun 2020 546th itiievskyi 🇺🇦 849 93 12ms 30 Jul 2020 546th KatieLG 🇬🇧 849 93 12ms 6 Nov 2020 546th gitbedd 🇬🇧 849 93 12ms 28 Dec 2021 546th OllieBoyne 🇬🇧 849 93 12ms 1 Jun 2022 546th bsoyka 🇺🇸 849 93 12ms 16 Jul 2022 546th 5quiwyrm 849 93 12ms 14 Aug 2022 546th Just4FunCoder 849 93 12ms 18 Nov 2022 546th betaveros 849 93 18ms 1 Jan 2023 546th davecame 849 93 11ms 31 Jul 2023 546th msbranicky 849 93 12ms 9 Aug 2023 546th ridingqwerty 🇺🇸 849 93 12ms 3 Dec 2023 546th plcc0 849 93 12ms 7 Mar 2025 546th KasperKivimaeki 🇫🇮 849 93 18ms 3 Jul 2025 546th ahmetdemirag 🇨🇾 849 93 12ms 13 Oct 2025 First Prev 481–560 of 1,858 Next Last
