The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Cubes 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 c0d3-4-F00d 🇩🇪 576 301 3ms 8 Jan 2025 402nd shen-hong-xin 576 429 66ms 7 Jul 2021 403rd cafehaine 🇫🇷 575 253 1ms 16 Jan 2019 404th itsh01 573 207 8ms 6 Sep 2022 404th MeWhenI 🇻🇦 573 207 9ms 17 Oct 2022 406th Mabeloid 🇳🇴 573 254 1ms 20 Sep 2024 407th ian-h-chamberlain 🇺🇸 573 338 147ms 13 Jan 2020 408th Yax42 🇫🇷 570 208 10ms 15 Sep 2025 409th Natanaelel 🇸🇪 570 269 121ms 19 May 2022 410th emgordon154 569 305 3ms 2 Aug 2024 411th MichalMarsalek 🇨🇿 568 175 522ms 21 Jan 2024 412th aadenboy 🇺🇸 568 256 2ms 19 hours ago 413th qwertyuiop3 🇷🇺 568 334 93ms 28 May 2025 414th janbehrens 🇩🇪 568 360 262ms 19 Jun 2021 415th janbehrens 🇩🇪 567 209 9ms 17 Jun 2023 416th Meowsan91 🇨🇿 567 303 350ms 21 Nov 2021 417th qwertyuiop3 🇷🇺 567 306 1ms 28 May 2025 418th Eolu 565 343 176ms 20 Jan 2022 419th KatieLG 🇬🇧 563 147 42ms 19 May 2021 420th boxjelly 559 274 116ms 12 Jan 2021 420th Pie42 559 274 122ms 18 Apr 2021 422nd GrayJoKing 🇦🇺 559 655 3ms 11 Aug 2020 423rd CaedenHarper 🇨🇦 558 308 395ms 17 Oct 2025 424th tsunderu 🇯🇵 558 311 2ms 29 Sep 2021 425th SirBogman 🇺🇸 556 179 515ms 20 Jan 2024 426th albanian-laundromat 556 312 44ms 14 days ago 427th helbling 🇨🇭 554 214 8ms 19 Apr 2024 428th TRexOnGit 554 310 389ms 29 Nov 2024 429th neihousaigaai 553 171 16ms 29 Mar 2021 430th DaCoolOne 553 263 1ms 21 Nov 2019 431st djeedjay 🇳🇱 553 314 3ms 12 Oct 2020 432nd CaedenHarper 🇨🇦 552 180 432ms 7 Aug 2025 433rd dokutan 552 491 99ms 5 days ago 434th LukeBridges 🇬🇧 551 215 9ms 4 Nov 2022 435th Yewzir 🇧🇪 551 371 272ms 3 Jan 2024 436th lynn 550 167 2ms 12 Jan 2022 437th alphafalfa 549 346 2ms 26 Nov 2024 438th msbranicky 549 379 3,911ms 9 Jan 2025 439th CLOStrophobic 🇮🇹 548 267 45ms 13 Feb 2025 440th annaproxy 547 314 401ms 22 Oct 2023 441st pandapawskat 546 318 1ms 14 Oct 2021 442nd xbxbxb007 546 374 261ms 10 Jan 2024 443rd alemelis 545 175 973ms 5 Sep 2024 444th lynn 545 335 9ms 16 Nov 2021 445th hotmanga 544 376 257ms 25 Oct 2023 446th bricknellj 543 174 11ms 27 Jul 2022 447th darkI33T 543 268 2ms 1 Sep 2025 448th inventshah 542 350 80ms 12 Jun 2022 449th didion0 🇺🇸 541 219 8ms 22 Apr 2021 450th BambooleanLogic 🇸🇪 539 220 9ms 2 Dec 2022 451st YellowBunnyGit 539 322 3ms 4 Feb 2021 452nd ryyyn 🇺🇸 537 176 11ms 7 days ago 453rd luciaaibarblanco 🇪🇸 537 221 9ms 17 Jan 2021 453rd Salutations45 537 221 9ms 3 Dec 2024 455th memiamp 🇬🇧 535 321 390ms 17 Oct 2022 456th MeWhenI 🇻🇦 534 373 462ms 5 Mar 2022 457th mtirado1 533 273 1ms 25 Dec 2022 458th stefangimmillaro 533 322 414ms 13 Jun 2022 459th tayloia 🇬🇧 532 223 9ms 16 May 2023 460th FlorianCassayre 🇫🇷 531 178 20ms 29 Sep 2023 461st Natanaelel 🇸🇪 531 209 2ms 5 Oct 2021 461st JRaspass 🇬🇧 531 209 4ms 29 Dec 2022 463rd marcin7Cd 531 313 7ms 19 Apr 2021 464th dokutan 530 389 99ms 27 Sep 2024 465th MeWhenI 🇻🇦 529 219 756ms 30 Aug 2025 465th dokutan 529 219 827ms 30 Aug 2025 467th user189032 529 224 9ms 29 May 2019 467th gigaprofisi 🇺🇸 529 224 9ms 11 Aug 2025 469th ZakkkkAttackkkk 🇵🇭 528 179 10ms 5 Aug 2023 469th 5cw 🇺🇸 528 179 10ms 6 Aug 2025 471st dokutan 528 268 66ms 5 days ago 472nd Shanethegamer 🇺🇸 527 276 1ms 25 Apr 2023 473rd inventshah 527 329 3ms 31 Aug 2022 474th MeWhenI 🇻🇦 526 211 3ms 15 Apr 2023 475th elisherer 🇮🇱 525 226 8ms 8 Apr 2019 476th Natanaelel 🇸🇪 524 158 43ms 5 Oct 2021 477th prplz 🇦🇺 524 331 3ms 11 Oct 2019 477th jared-hughes 524 331 3ms 21 Nov 2023 479th cahidenes 524 378 365ms 25 Apr 2021 480th splitlane 523 278 1ms 9 Mar 2023 First Prev 401–480 of 1,656 Next Last