The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Proximity Grid in all languages in chars. 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 Chars Time Submitted 401st Schmitt-Very-Cool 374 364 463ms 3 Oct 2025 402nd MeWhenI 🇻🇦 373 308 2,596ms 22 Nov 2023 403rd TheZwierzLF 🇵🇱 371 243 43ms 23 May 2025 404th adamnielson42 🇺🇸 368 245 26ms 22 May 2023 405th Szum123321 🇵🇱 367 351 2ms 9 Dec 2023 406th TheZwierzLF 🇵🇱 365 233 599ms 10 days ago 407th msbranicky 362 249 15ms 9 Aug 2023 407th StefanHabel 🇨🇦 362 249 491ms 2 Sep 2023 409th jacobly0 🇺🇸 361 532 2,198ms 22 Apr 2024 410th dokutan 357 209 734ms 7 Apr 2024 411th zakariamouhid 354 280 15ms 2 Jun 2023 412th andrewjc2000 353 255 13ms 30 Jul 2025 413th CaedenHarper 🇨🇦 349 461 406ms 21 Oct 2025 414th RYNO8 341 264 16ms 16 Aug 2022 415th msbranicky 340 250 783ms 16 Jan 2024 416th mathisfun271 340 265 15ms 5 Mar 2024 417th msbranicky 339 220 782ms 15 Jan 2024 418th commandblockguy 🇺🇸 335 254 657ms 1 Sep 2025 419th logvp 330 273 12ms 8 Jan 2024 420th dillon-duncando 329 392 3ms 19 Oct 2022 421st Pyroan 325 277 58ms 13 Mar 2025 422nd LeeCamp 323 279 33ms 13 Jan 2023 423rd MaxElf999 318 283 31ms 6 Apr 2025 424th uttumuttu 🇫🇮 318 311 15ms 31 Aug 2022 425th gigaprofisi 🇺🇸 317 312 11ms 16 Jul 2025 426th guilhem-roy 🇫🇷 316 285 86ms 30 Aug 2022 427th janbehrens 🇩🇪 314 203 16ms 19 Nov 2022 428th celiendonze 🇨🇭 312 289 68ms 28 Apr 2023 429th stefangimmillaro 311 336 126ms 13 Oct 2022 430th CaedenHarper 🇨🇦 306 311 1,062ms 27 Sep 2025 431st OllieBoyne 🇬🇧 305 295 11ms 5 Aug 2022 431st TobyBoyne 🇬🇧 305 295 11ms 5 Aug 2022 433rd postie77 304 529 391ms 14 Aug 2024 434th bac0id 302 451 517ms 26 Sep 2023 435th WillowWispy 296 304 64ms 22 Mar 2025 436th Natanaelel 🇸🇪 293 209 996ms 8 Feb 2023 437th janAkali 🇷🇺 292 404 376ms 10 Jun 2025 438th jgbaldwinbrown 291 442 5ms 31 Aug 2022 439th KingSkyrock 🇺🇸 284 348 15ms 23 Dec 2022 440th Andre3582 282 319 546ms 29 Oct 2022 441st ThijsLuttikhuis 281 321 3,424ms 7 Apr 2024 442nd CaedenHarper 🇨🇦 281 485 483ms 9 Oct 2025 443rd adoxography 280 322 18ms 25 Mar 2023 444th martinnorling 🇸🇪 278 324 11ms 19 Aug 2022 445th SirFireball3521 271 226 534ms 19 Jul 2024 446th CaedenHarper 🇨🇦 270 334 33ms 27 Sep 2025 447th didion0 🇺🇸 265 373 21ms 5 Aug 2022 448th Bmrl7 263 343 18ms 3 Mar 2024 449th CaedenHarper 🇨🇦 262 324 1,079ms 22 Sep 2025 450th fgrosshans 🇫🇷 262 344 49ms 24 Sep 2023 451st Lv0Sys 🇵🇱 261 379 11ms 11 days ago 452nd Jacob385 259 526 638ms 19 Mar 2024 453rd dillon-duncando 256 352 176ms 12 Oct 2022 454th CaedenHarper 🇨🇦 253 392 10ms 29 Aug 2025 455th alemelis 252 357 462ms 19 Sep 2024 456th Flekay 🇩🇪 250 361 445ms 11 Jul 2025 457th madex 🇩🇪 247 719 305ms 13 Aug 2025 458th glesnick 242 372 246ms 17 Aug 2022 459th JGDoerrer 240 741 235ms 12 Aug 2022 460th inverseLorentz 🇦🇺 236 381 10ms 22 Feb 2024 461st za3k 234 385 25ms 12 Oct 2022 462nd FortuiteMan 🇫🇷 233 386 17ms 29 Aug 2023 463rd DialFrost 🇸🇬 226 399 31ms 14 Apr 2025 464th yzhs 🇩🇪 223 404 13ms 23 Jun 2023 465th Lv0Sys 🇵🇱 222 405 18ms 11 days ago 466th adoxography 220 296 46ms 2 Mar 2024 467th eiburns 216 417 62ms 17 Oct 2023 468th scpchicken 🇵🇼 212 838 280ms 29 Dec 2022 469th two-bad 🇬🇧 209 473 11ms 9 Oct 2024 470th mbittner20 208 434 12ms 19 Aug 2023 471st twocatsinatrenchcoat 207 436 1,016ms 9 Aug 2022 472nd jameswmccarty 199 452 39ms 4 Feb 2025 473rd madex 🇩🇪 199 453 17ms 13 Aug 2025 474th madex 🇩🇪 199 498 10ms 16 Aug 2025 475th CatsAreFluffy 197 431 1,215ms 15 Jan 2024 476th amollberg 🇸🇪 195 463 157ms 4 Jan 2024 477th yoshykai 193 705 431ms 2 Jun 2023 478th madex 🇩🇪 159 411 52ms 13 Aug 2025 479th JOrE20 🇺🇸 154 642 12ms 15 days ago 480th croc54 151 598 18ms 27 Jan 2025 First Prev 401–480 of 578 Next Last