The Calendar hole will go live in approximately 2 days. Why not try and solve it ahead of time?
Arrows 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 881st evnu 394 327 115ms 11 Jun 2023 882nd ChrisTheisen 393 244 465ms 14 Dec 2022 883rd madex 🇩🇪 392 243 11ms 26 May 2024 883rd Bodo171 392 243 12ms 1 Jul 2024 885th Herbert00709 🇵🇱 391 280 70ms 24 Nov 2024 886th panekj 🇵🇱 390 327 370ms 3 May 2022 886th harshit54 390 327 386ms 6 Jan 2024 888th CatsAreFluffy 389 215 699ms 15 Jan 2024 888th Andrey2001 389 215 629ms 26 Nov 2025 890th MisterrLuck 387 351 162ms 28 Oct 2024 891st Yewzir 🇧🇪 386 269 10ms 18 Dec 2024 892nd mr-luna 386 291 823ms 5 May 2022 893rd CaedenHarper 🇨🇦 385 249 419ms 16 Oct 2025 894th crizin 🇰🇷 385 292 764ms 15 Sep 2023 895th connorslade 385 353 170ms 13 May 2022 896th KatieLG 🇬🇧 384 198 1,670ms 2 Sep 2021 897th MattShaile 384 221 13ms 26 Apr 2022 898th Aurel300 🇨🇭 384 354 162ms 30 Jun 2024 899th AshyIsMe 🇦🇺 383 161 46ms 27 Jul 2022 900th P-Quentin 🇫🇷 383 249 11ms 3 Aug 2022 901st ibeucaly 383 333 356ms 6 Oct 2022 902nd panekj 🇵🇱 383 355 174ms 3 May 2022 903rd KingSkyrock 🇺🇸 382 222 11ms 16 Feb 2022 903rd JTH1999 382 222 11ms 11 Apr 2023 905th mrmena 🇦🇺 381 250 11ms 3 Sep 2021 906th HumanoidCPU 380 222 150ms 23 Nov 2025 907th johanrosenson 380 223 11ms 8 Dec 2021 908th Chinay-Domitrix 🇺🇸 380 240 4,624ms 4 Nov 2025 909th realicraft 380 251 10ms 21 Mar 2022 909th TheZappie 380 251 13ms 9 Apr 2022 909th hellwue 380 251 13ms 22 Nov 2023 909th robbertvz 380 251 11ms 19 Nov 2025 913th LukeBridges 🇬🇧 379 224 11ms 11 Apr 2024 914th blaztoma 🇱🇹 379 340 129ms 9 Nov 2025 915th juliansiebert 🇩🇪 378 180 270ms 6 Dec 2023 916th prestosilver 🇺🇸 378 228 2ms 14 days ago 917th camieac 🇬🇧 378 252 12ms 12 Jul 2023 918th Eolu 378 359 160ms 17 Jan 2022 919th Re-Adventures 🇮🇳 377 225 11ms 17 Dec 2023 920th CaedenHarper 🇨🇦 377 240 3ms 23 Aug 2025 921st aglahir1 377 253 11ms 23 Feb 2022 921st diquah 377 253 17ms 1 Nov 2023 923rd dokutan 376 202 1,565ms 21 Sep 2025 924th pandapawskat 376 229 2ms 25 Aug 2021 925th premun 🇨🇿 376 255 392ms 19 Nov 2022 926th jhpaques 🇫🇷 375 254 11ms 27 Jul 2022 927th Giga-Bowser 374 227 11ms 6 Jan 2022 928th hymanimy 374 255 13ms 26 Aug 2021 929th tatzyr 🇯🇵 373 184 44ms 26 Mar 2025 930th nikolay 🇺🇸 373 342 346ms 5 Jan 2022 931st dokutan 372 346 187ms 7 Nov 2025 932nd tomh1012 371 258 426ms 10 Sep 2025 933rd Ephellon 370 229 12ms 16 Dec 2023 934th aliakseikalosha 370 259 410ms 7 Aug 2023 935th ravnskjaer 🇩🇰 370 304 582ms 14 days ago 936th Mabeloid 🇳🇴 369 253 2ms 21 Sep 2024 937th klixel 🇨🇦 368 259 10ms 19 Jun 2025 938th Natanaelel 🇸🇪 366 177 3ms 24 Aug 2021 939th Larento 364 233 11ms 14 Oct 2023 940th sbyrne51 364 262 10ms 2 Oct 2022 940th CheeseCake628 🇳🇴 364 262 23ms 19 Mar 2023 940th luuumine 🇫🇷 364 262 13ms 16 Oct 2025 943rd Saaxxx 363 263 10ms 30 Nov 2023 943rd strogor 363 263 10ms 9 Jun 2025 945th scpchicken 🇵🇼 362 179 5ms 10 Mar 2023 946th FrederikHutfless 🇩🇪 362 234 12ms 12 Jan 2023 947th veiko 361 235 12ms 20 Jun 2022 948th Trunksistor 🇫🇷 361 264 13ms 5 May 2022 949th osmith93 360 265 11ms 10 Jul 2022 949th rollershutter 360 265 10ms 21 Nov 2023 951st hacker112 🇸🇪 358 237 12ms 19 Jun 2024 952nd PlatoHero 356 191 223ms 11 Dec 2023 953rd MiranDaniel 🇨🇿 356 268 11ms 2 Sep 2023 954th The-Wolfson 356 313 97ms 6 Feb 2025 955th null-tangent 355 239 12ms 23 Aug 2022 956th CaedenHarper 🇨🇦 355 299 370ms 23 Aug 2025 957th CaedenHarper 🇨🇦 354 194 42ms 24 Aug 2025 958th Lunik 354 269 12ms 7 Nov 2022 959th corbob 🇨🇦 353 193 246ms 8 May 2024 960th j-Ewan 352 271 14ms 2 Mar 2022 First Prev 881–960 of 1,279 Next Last