The Calendar hole will go live in approximately 3 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 madex 🇩🇪 392 243 11ms 26 May 2024 881st Bodo171 392 243 12ms 1 Jul 2024 883rd amazingalek 391 245 358ms 5 days ago 884th Herbert00709 🇵🇱 391 280 70ms 24 Nov 2024 885th panekj 🇵🇱 390 327 370ms 3 May 2022 885th harshit54 390 327 386ms 6 Jan 2024 887th CatsAreFluffy 389 215 699ms 15 Jan 2024 887th Andrey2001 389 215 629ms 26 Nov 2025 889th MisterrLuck 387 351 162ms 28 Oct 2024 890th Yewzir 🇧🇪 386 269 10ms 18 Dec 2024 891st mr-luna 386 291 823ms 5 May 2022 892nd CaedenHarper 🇨🇦 385 249 419ms 16 Oct 2025 893rd crizin 🇰🇷 385 292 764ms 15 Sep 2023 894th connorslade 385 353 170ms 13 May 2022 895th KatieLG 🇬🇧 384 198 1,670ms 2 Sep 2021 896th MattShaile 384 221 13ms 26 Apr 2022 897th Aurel300 🇨🇭 384 354 162ms 30 Jun 2024 898th AshyIsMe 🇦🇺 383 161 46ms 27 Jul 2022 899th P-Quentin 🇫🇷 383 249 11ms 3 Aug 2022 900th ibeucaly 383 333 356ms 6 Oct 2022 901st panekj 🇵🇱 383 355 174ms 3 May 2022 902nd KingSkyrock 🇺🇸 382 222 11ms 16 Feb 2022 902nd JTH1999 382 222 11ms 11 Apr 2023 904th mrmena 🇦🇺 381 250 11ms 3 Sep 2021 905th HumanoidCPU 380 222 150ms 23 Nov 2025 906th johanrosenson 380 223 11ms 8 Dec 2021 907th Chinay-Domitrix 🇺🇸 380 240 4,624ms 4 Nov 2025 908th realicraft 380 251 10ms 21 Mar 2022 908th TheZappie 380 251 13ms 9 Apr 2022 908th hellwue 380 251 13ms 22 Nov 2023 908th robbertvz 380 251 11ms 19 Nov 2025 912th LukeBridges 🇬🇧 379 224 11ms 11 Apr 2024 913th blaztoma 🇱🇹 379 340 129ms 9 Nov 2025 914th juliansiebert 🇩🇪 378 180 270ms 6 Dec 2023 915th prestosilver 🇺🇸 378 228 2ms 13 days ago 916th camieac 🇬🇧 378 252 12ms 12 Jul 2023 917th Eolu 378 359 160ms 17 Jan 2022 918th Re-Adventures 🇮🇳 377 225 11ms 17 Dec 2023 919th CaedenHarper 🇨🇦 377 240 3ms 23 Aug 2025 920th aglahir1 377 253 11ms 23 Feb 2022 920th diquah 377 253 17ms 1 Nov 2023 922nd dokutan 376 202 1,565ms 21 Sep 2025 923rd pandapawskat 376 229 2ms 25 Aug 2021 924th premun 🇨🇿 376 255 392ms 19 Nov 2022 925th jhpaques 🇫🇷 375 254 11ms 27 Jul 2022 926th Giga-Bowser 374 227 11ms 6 Jan 2022 927th hymanimy 374 255 13ms 26 Aug 2021 928th tatzyr 🇯🇵 373 184 44ms 26 Mar 2025 929th nikolay 🇺🇸 373 342 346ms 5 Jan 2022 930th dokutan 372 346 187ms 7 Nov 2025 931st tomh1012 371 258 426ms 10 Sep 2025 932nd Ephellon 370 229 12ms 16 Dec 2023 933rd aliakseikalosha 370 259 410ms 7 Aug 2023 934th ravnskjaer 🇩🇰 370 304 582ms 13 days ago 935th Mabeloid 🇳🇴 369 253 2ms 21 Sep 2024 936th klixel 🇨🇦 368 259 10ms 19 Jun 2025 937th Natanaelel 🇸🇪 366 177 3ms 24 Aug 2021 938th Larento 364 233 11ms 14 Oct 2023 939th sbyrne51 364 262 10ms 2 Oct 2022 939th CheeseCake628 🇳🇴 364 262 23ms 19 Mar 2023 939th luuumine 🇫🇷 364 262 13ms 16 Oct 2025 942nd Saaxxx 363 263 10ms 30 Nov 2023 942nd strogor 363 263 10ms 9 Jun 2025 944th scpchicken 🇵🇼 362 179 5ms 10 Mar 2023 945th FrederikHutfless 🇩🇪 362 234 12ms 12 Jan 2023 946th veiko 361 235 12ms 20 Jun 2022 947th Trunksistor 🇫🇷 361 264 13ms 5 May 2022 948th osmith93 360 265 11ms 10 Jul 2022 948th rollershutter 360 265 10ms 21 Nov 2023 950th hacker112 🇸🇪 358 237 12ms 19 Jun 2024 951st PlatoHero 356 191 223ms 11 Dec 2023 952nd MiranDaniel 🇨🇿 356 268 11ms 2 Sep 2023 953rd null-tangent 355 239 12ms 23 Aug 2022 954th CaedenHarper 🇨🇦 355 299 370ms 23 Aug 2025 955th The-Wolfson 355 313 97ms 6 Feb 2025 956th CaedenHarper 🇨🇦 354 194 42ms 24 Aug 2025 957th Lunik 354 269 12ms 7 Nov 2022 958th corbob 🇨🇦 353 193 246ms 8 May 2024 959th j-Ewan 352 271 14ms 2 Mar 2022 959th rustykitty 🇺🇸 352 271 11ms 31 Oct 2025 First Prev 881–960 of 1,278 Next Last