The Calendar hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Day of Week 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 388th CaedenHarper 🇨🇦 904 118 284ms 8 Jan 2025 388th emgordon154 904 118 262ms 18 Jan 2025 388th GolfingSuccess 🇬🇷 904 118 266ms 18 Feb 2025 388th targrik 904 118 267ms 29 Jun 2025 388th fuzzylojik-golf 🇺🇸 904 118 285ms 4 Aug 2025 388th KasperKivimaeki 🇫🇮 904 118 260ms 4 Oct 2025 407th DialFrost 🇸🇬 903 43 5ms 12 Aug 2024 407th Steffan153 🇫🇮 903 43 4ms 12 Aug 2024 407th sisyphus-ppcg 🇦🇺 903 43 4ms 13 Aug 2024 407th Shanethegamer 🇺🇸 903 43 4ms 16 Aug 2024 407th btnlq 903 43 4ms 21 Aug 2024 407th emgordon154 903 43 4ms 22 Aug 2024 407th ovs-code 🇩🇪 903 43 4ms 30 Sep 2024 407th lynn 903 43 4ms 21 Dec 2024 407th sean-niemann 🇺🇸 903 43 4ms 11 Jan 2025 407th edsrzf 🇳🇿 903 43 5ms 21 Jul 2025 417th Lydxn 🇨🇦 902 49 1,140ms 6 May 2023 417th stefangimmillaro 902 49 1,121ms 6 Aug 2023 417th pardouin 🇫🇷 902 49 1,124ms 10 Apr 2025 420th Lydxn 🇨🇦 899 66 349ms 2 Aug 2023 420th sean-niemann 🇺🇸 899 66 375ms 2 Aug 2023 420th JayXon 🇺🇸 899 66 362ms 2 Aug 2023 420th m-tkach 🇺🇦 899 66 357ms 2 Aug 2023 420th Steffan153 🇫🇮 899 66 350ms 2 Aug 2023 420th pardouin 🇫🇷 899 66 370ms 9 Oct 2024 420th edsrzf 🇳🇿 899 66 338ms 10 Jun 2025 420th DialFrost 🇸🇬 899 66 328ms 15 days ago 420th snoozingnewt 🇨🇦 899 66 334ms 15 days ago 429th Ashikpaul 🇮🇳 898 75 47ms 13 Oct 2024 429th 823126 898 75 48ms 13 Nov 2024 429th n3uromanc3r 898 75 48ms 28 Nov 2024 429th Yax42 🇫🇷 898 75 49ms 5 Sep 2025 433rd scpchicken 🇵🇼 898 91 36ms 16 Apr 2023 433rd anter69 🇭🇺 898 91 24ms 17 Apr 2023 433rd stefangimmillaro 898 91 21ms 20 Apr 2023 433rd Alex-x90 🇺🇸 898 91 20ms 15 May 2023 433rd AlexanderFair 898 91 20ms 11 Jul 2023 433rd orthoplex 🇨🇽 898 91 20ms 3 Oct 2023 433rd Ralac07 🇦🇺 898 91 21ms 11 Jun 2024 433rd EnTerr 898 91 22ms 8 Sep 2024 433rd Pyroan 898 91 20ms 16 Apr 2025 433rd bknower 898 91 21ms 27 Jun 2025 433rd luuumine 🇫🇷 898 91 23ms 3 Nov 2025 444th JayXon 🇺🇸 898 93 3ms 3 May 2023 444th jacobly0 🇺🇸 898 93 4ms 29 Aug 2023 444th adriweb 🇫🇷 898 93 3ms 9 Sep 2023 444th Waffle3z 898 93 3ms 11 Sep 2023 444th GoateSo 898 93 3ms 14 Sep 2023 444th microcanary 898 93 3ms 14 Sep 2023 444th FlyingPenguin223 898 93 3ms 26 Nov 2024 444th kamihitoe 898 93 3ms 15 Jan 2025 444th edsrzf 🇳🇿 898 93 3ms 26 Jul 2025 444th GrayJoKing 🇦🇺 898 93 4ms 28 Jul 2025 454th inventshah 897 83 349ms 20 Jan 2024 454th edsrzf 🇳🇿 897 83 388ms 23 Sep 2024 454th commandblockguy 🇺🇸 897 83 360ms 1 Sep 2025 457th GolfingSuccess 🇬🇷 896 95 2ms 30 Dec 2024 458th edsrzf 🇳🇿 895 43 773ms 28 Aug 2025 458th sean-niemann 🇺🇸 895 43 662ms 30 Aug 2025 458th DialFrost 🇸🇬 895 43 698ms 6 Sep 2025 458th jipsong 🇩🇪 895 43 697ms 26 Sep 2025 458th xsot 🇸🇬 895 43 716ms 15 Nov 2025 463rd edsrzf 🇳🇿 895 60 3,418ms 1 Sep 2025 463rd pardouin 🇫🇷 895 60 3,338ms 1 Sep 2025 463rd JayXon 🇺🇸 895 60 3,336ms 2 Sep 2025 463rd DialFrost 🇸🇬 895 60 4,094ms 6 Sep 2025 463rd snoozingnewt 🇨🇦 895 60 2,310ms 15 days ago 468th inventshah 894 115 397ms 16 Apr 2023 468th nwellnhof 🇩🇪 894 115 400ms 18 Apr 2023 468th JayXon 🇺🇸 894 115 428ms 19 Apr 2023 468th Alex-x90 🇺🇸 894 115 401ms 14 May 2023 468th Lydxn 🇨🇦 894 115 407ms 26 May 2023 468th ovs-code 🇩🇪 894 115 407ms 24 Aug 2023 468th sean-niemann 🇺🇸 894 115 413ms 19 Nov 2023 468th Steffan153 🇫🇮 894 115 390ms 10 Aug 2024 476th rzv-me 890 49 6ms 5 Oct 2024 477th ovs-code 🇩🇪 890 50 8ms 27 Sep 2024 477th GrayJoKing 🇦🇺 890 50 8ms 30 Sep 2024 477th sisyphus-ppcg 🇦🇺 890 50 9ms 1 Oct 2024 477th DialFrost 🇸🇬 890 50 8ms 23 Dec 2024 First Prev 401–480 of 1,442 Next Last