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 481st detrumi 🇳🇱 523 370 178ms 21 Oct 2020 482nd MichalMarsalek 🇨🇿 522 181 9ms 15 Jan 2024 483rd two-bad 🇬🇧 522 227 9ms 9 Feb 2024 484th dokutan 521 380 481ms 11 days ago 485th Shanethegamer 🇺🇸 521 392 276ms 4 Feb 2021 486th jared-hughes 520 228 9ms 19 Jan 2023 487th aditsu 519 182 10ms 31 Dec 2019 488th Yewzir 🇧🇪 519 382 523ms 2 Oct 2025 489th janbehrens 🇩🇪 518 184 633ms 17 Jun 2023 490th madeforlosers 518 229 8ms 3 Nov 2025 491st lynn 517 183 11ms 11 Sep 2021 491st bizy-coder 517 183 19ms 12 Oct 2024 493rd stefangimmillaro 516 214 961ms 2 Nov 2022 494th ILMTitan 516 333 380ms 21 Nov 2021 495th cbrt-x 516 384 450ms 29 Aug 2021 495th yoshykai 516 384 451ms 27 Mar 2025 497th AbhayAravinda 515 337 3ms 28 Jul 2020 498th jared-hughes 514 184 10ms 16 Aug 2021 499th KatieLG 🇬🇧 514 215 1,026ms 2 Nov 2022 500th DialFrost 🇸🇬 514 328 5ms 22 Dec 2023 501st hklemp 🇩🇪 514 334 365ms 21 Nov 2021 502nd Mabeloid 🇳🇴 513 338 3ms 21 Oct 2025 503rd Irratix 🇳🇱 512 371 3,692ms 30 Dec 2022 503rd jared-hughes 512 371 1,139ms 30 Oct 2023 505th TobyBoyne 🇬🇧 511 185 10ms 14 Apr 2022 505th blaztoma 🇱🇹 511 185 9ms 11 days ago 507th dokutan 510 187 944ms 20 Apr 2025 508th Natanaelel 🇸🇪 509 233 9ms 26 Dec 2021 508th fitzdotlol 🇺🇸 509 233 8ms 21 Mar 2022 510th annaproxy 509 359 15ms 13 Jan 2023 511th ravnskjaer 🇩🇰 509 389 342ms 3 days ago 512th Bulmenisaurus 508 186 9ms 13 Jul 2024 513th Kloppermand 🇩🇰 507 339 390ms 7 Oct 2022 514th madex 🇩🇪 507 382 183ms 29 Jun 2025 515th uttumuttu 🇫🇮 505 235 9ms 6 Jan 2022 516th Betuaredead 505 376 590ms 11 Jan 2023 517th janbehrens 🇩🇪 504 220 2ms 9 Nov 2021 518th bzijlema 🇳🇱 503 188 11ms 29 Oct 2023 519th Irratix 🇳🇱 503 345 3ms 25 Dec 2021 519th madex 🇩🇪 503 345 3ms 29 Jun 2025 521st stefangimmillaro 502 165 41ms 22 May 2022 522nd SirFireball3521 500 189 10ms 24 Jan 2023 523rd KatieLG 🇬🇧 500 237 9ms 11 Oct 2022 523rd zakariamouhid 500 237 9ms 4 Jun 2023 525th hiddicop 🇸🇪 499 166 45ms 27 Jan 2021 525th Andriamanitra 🇫🇮 499 166 47ms 28 Jul 2023 527th Pimentero 🇷🇺 499 338 4ms 13 Nov 2023 528th M1kep 498 189 263ms 7 Jun 2020 529th targrik 498 238 9ms 8 Jun 2025 530th Shanethegamer 🇺🇸 496 223 968ms 28 Jul 2021 531st Yewzir 🇧🇪 496 383 74ms 9 Feb 2024 532nd TheZwierzLF 🇵🇱 495 201 500ms 27 days ago 533rd Lv0Sys 🇵🇱 494 240 9ms 16 days ago 534th KrausRaus 🇺🇸 493 225 3ms 3 Dec 2021 535th MeWhenI 🇻🇦 493 352 3ms 7 May 2023 536th coreynash 492 241 9ms 26 May 2023 537th IISResetMe 491 192 208ms 21 Mar 2024 538th emplv 🇱🇻 490 169 36ms 30 Mar 2023 539th stertooy 🇧🇪 490 193 9ms 14 Jun 2024 539th ahmetdemirag 🇨🇾 490 193 12ms 24 Jul 2024 541st jackkav 490 242 8ms 4 Feb 2019 542nd jacobly0 🇺🇸 490 608 1,753ms 22 Apr 2024 543rd MeWhenI 🇻🇦 489 388 82ms 8 May 2022 544th marcin7Cd 487 194 16ms 17 Dec 2020 545th archee303 487 356 3ms 5 Feb 2020 546th edsrzf 🇳🇿 486 309 6ms 21 Dec 2024 547th dzhang314 485 195 11ms 13 Aug 2019 548th AlephSquirrel 485 205 585ms 21 Jan 2024 548th Mabeloid 🇳🇴 485 205 580ms 20 Oct 2025 550th Yewzir 🇧🇪 485 358 3ms 9 Feb 2024 551st Lv0Sys 🇵🇱 484 197 496ms 16 days ago 552nd Awsute 484 317 122ms 12 Apr 2022 553rd Natanaelel 🇸🇪 483 190 3ms 20 May 2022 554th commandblockguy 🇺🇸 483 206 617ms 1 Sep 2025 555th emgordon154 483 229 962ms 31 Jul 2024 556th jascotm 482 196 9ms 21 May 2021 557th dokutan 482 246 9ms 27 Sep 2024 558th AkashTandon167 482 360 3ms 13 Nov 2019 559th dokutan 482 402 14ms 20 Apr 2025 560th ericlangedijk 🇸🇮 481 357 415ms 14 Mar 2022 First Prev 481–560 of 1,656 Next Last