The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
Hexdump 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 Maashau 569 259 2ms 19 days ago 482nd JunkIce 567 158 17ms 19 Jan 2025 483rd helbling 🇨🇭 567 220 9ms 29 Jul 2024 484th JGDoerrer 567 345 190ms 12 Aug 2022 485th coreynash 565 221 9ms 18 Oct 2023 486th rifatx 564 266 445ms 26 Jul 2024 487th GolfingSuccess 🇬🇷 560 91 70ms 26 Jul 2022 488th DialFrost 🇸🇬 560 115 36ms 4 Dec 2024 489th janbehrens 🇩🇪 560 223 10ms 11 May 2023 490th Re-Adventures 🇮🇳 559 350 182ms 19 Jan 2025 491st CaedenHarper 🇨🇦 559 363 559ms 7 Oct 2025 492nd dokutan 557 149 383ms 4 Jul 2024 493rd msbranicky 556 296 5ms 13 Oct 2023 494th SirBogman 🇺🇸 554 92 62ms 10 Sep 2023 495th MeWhenI 🇻🇦 552 278 18ms 10 Jan 2025 496th edsrzf 🇳🇿 551 208 78ms 28 Jun 2025 497th jmerle 🇳🇱 549 163 10ms 6 Jul 2023 498th AlephSquirrel 548 93 58ms 31 Dec 2022 499th MostParsingVex 548 280 30ms 25 Sep 2024 500th jared-hughes 548 518 1,676ms 16 Sep 2025 501st a6166231 🇨🇳 547 228 8ms 22 May 2025 502nd MeWhenI 🇻🇦 546 267 4ms 23 May 2023 503rd janbehrens 🇩🇪 545 223 8ms 2 Jul 2023 504th albanian-laundromat 545 438 29ms 13 Nov 2025 505th Mabeloid 🇳🇴 542 272 2ms 21 Oct 2025 506th tomh1012 541 277 346ms 4 May 2022 507th bidger 540 376 512ms 5 Jan 2023 508th GolfingSuccess 🇬🇷 540 472 3,100ms 8 Aug 2022 509th adamnielson42 🇺🇸 538 334 12ms 6 Dec 2023 510th albanian-laundromat 538 638 18ms 18 Sep 2025 511th MeWhenI 🇻🇦 536 167 10ms 21 May 2024 512th Phil-RGOMEGA 536 247 2ms 23 Aug 2023 513th emgordon154 535 202 8ms 7 Apr 2025 514th MeWhenI 🇻🇦 534 301 74ms 9 May 2023 515th pschmid0 🇺🇸 533 228 5ms 18 Oct 2022 516th Macweese 532 277 2ms 3 Aug 2025 517th TylerBloom 532 368 211ms 22 Nov 2024 518th ovs-code 🇩🇪 531 192 3ms 10 Feb 2023 519th Natanaelel 🇸🇪 528 117 200ms 12 May 2023 520th emgordon154 527 122 47ms 3 Aug 2024 521st mathisfun271 527 170 10ms 5 Feb 2024 522nd maxpelic 🇺🇸 527 237 9ms 5 Jul 2022 522nd Lv0Sys 🇵🇱 527 237 10ms 11 days ago 524th JunkIce 525 158 343ms 19 Jan 2025 525th inventshah 524 171 9ms 20 Jan 2023 525th RaBa21 🇭🇺 524 171 16ms 17 Jul 2025 527th blaztoma 🇱🇹 523 123 51ms 24 Oct 2025 528th Jacob385 523 388 368ms 23 Oct 2024 529th Shanethegamer 🇺🇸 521 175 742ms 16 Mar 2025 530th strattonwhisler 518 241 9ms 7 May 2025 531st Lv0Sys 🇵🇱 515 125 47ms 11 days ago 532nd two-bad 🇬🇧 514 243 10ms 25 Feb 2024 533rd retrohun 514 287 2ms 30 Dec 2022 534th KatieLG 🇬🇧 511 126 38ms 2 Oct 2025 535th Ernest1338 511 383 183ms 7 Oct 2023 536th MeWhenI 🇻🇦 509 163 487ms 24 May 2024 537th DialFrost 🇸🇬 509 198 135ms 4 Aug 2024 538th alexsave 509 245 10ms 14 Nov 2025 539th janAkali 🇷🇺 509 313 374ms 8 May 2025 540th olleicua 🇺🇸 507 127 50ms 15 Feb 2024 541st Shanethegamer 🇺🇸 507 226 74ms 27 Jan 2025 542nd ahmetdemirag 🇨🇾 506 177 10ms 21 Oct 2024 542nd Lv0Sys 🇵🇱 506 177 10ms 12 days ago 544th TaserTheFox 🇺🇸 503 178 9ms 1 May 2023 545th c0d3-4-F00d 🇩🇪 503 293 2ms 4 May 2022 546th MeWhenI 🇻🇦 502 259 454ms 18 Nov 2023 547th dokutan 501 182 469ms 7 Apr 2024 548th Shanethegamer 🇺🇸 500 166 577ms 16 Mar 2025 549th Shanethegamer 🇺🇸 500 179 9ms 16 Mar 2025 550th Yewzir 🇧🇪 500 300 386ms 20 Jun 2024 551st Protothor 499 250 9ms 8 Jun 2025 551st gigaprofisi 🇺🇸 499 250 9ms 10 Aug 2025 553rd scpchicken 🇵🇼 498 393 238ms 3 May 2022 554th OllieBoyne 🇬🇧 497 180 9ms 31 Aug 2022 554th jared-hughes 497 180 10ms 6 Jan 2023 554th b10011 🇫🇮 497 180 10ms 15 Jan 2023 554th scpchicken 🇵🇼 497 180 9ms 22 Nov 2023 558th quimey 495 181 10ms 23 Mar 2023 559th joaosigma 🇵🇹 495 325 95ms 17 Sep 2025 560th Yewzir 🇧🇪 495 380 277ms 27 Oct 2023 First Prev 481–560 of 817 Next Last