The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
CSS Colors 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 KasperKivimaeki 🇫🇮 400 773 2,823ms 19 Nov 2025 482nd nickspoons 🇳🇿 399 499 32ms 15 Apr 2023 483rd lynn 399 775 68ms 12 Jan 2022 484th andersk 🇺🇸 398 623 183ms 6 Oct 2020 485th Seek64 🇩🇪 396 627 11ms 8 Oct 2024 486th GrayJoKing 🇦🇺 396 741 14ms 19 Jan 2023 487th hyvyys 394 675 10ms 18 Sep 2020 488th jared-hughes 394 695 2ms 12 Apr 2022 489th Bulmenisaurus 393 631 17ms 29 Jan 2025 490th sisyphus-ppcg 🇦🇺 392 634 19ms 11 Mar 2022 491st lynn 391 783 462ms 23 Sep 2021 492nd sean-niemann 🇺🇸 390 805 190ms 18 Nov 2023 493rd lynn 389 638 16ms 27 Jul 2021 494th edsrzf 🇳🇿 389 642 5ms 7 Nov 2025 495th jared-hughes 389 685 10ms 3 Aug 2022 496th stefangimmillaro 389 795 762ms 16 Sep 2023 497th MattShaile 387 688 9ms 9 Apr 2022 498th edsrzf 🇳🇿 387 728 24ms 23 Jun 2025 499th emplv 🇱🇻 387 860 7ms 2 Jul 2023 500th saito-ta 🇯🇵 385 650 34ms 3 Oct 2024 501st AlephSquirrel 384 647 93ms 21 Jan 2024 502nd stefangimmillaro 384 818 244ms 11 Nov 2023 503rd stefangimmillaro 383 648 20ms 29 Dec 2022 503rd blaztoma 🇱🇹 383 648 10ms 9 Sep 2025 505th UnderKoen 🇳🇱 383 917 4ms 20 Sep 2023 506th olivermrose 🇺🇸 382 562 41ms 22 Sep 2021 507th CatsAreFluffy 382 697 14ms 1 Dec 2022 508th MeWhenI 🇻🇦 382 817 268ms 9 Feb 2023 509th stefangimmillaro 380 806 548ms 6 Oct 2025 510th edsrzf 🇳🇿 379 809 472ms 24 Sep 2025 511th stefangimmillaro 379 877 4ms 15 May 2022 512th ovs-code 🇩🇪 378 661 15ms 25 Sep 2022 513th janbehrens 🇩🇪 378 880 6ms 2 Jul 2023 514th emgordon154 376 619 139ms 6 Sep 2024 515th edsrzf 🇳🇿 374 737 24ms 28 May 2025 516th mathisfun271 373 665 10ms 5 Feb 2024 517th jared-hughes 372 668 11ms 7 Jan 2023 518th MeWhenI 🇻🇦 372 682 142ms 21 May 2024 519th BBoehm 🇩🇪 372 715 15ms 25 Dec 2020 520th radarek 🇵🇱 370 580 331ms 2 Jul 2025 521st m-tkach 🇺🇦 370 600 1,109ms 3 Jan 2024 522nd jared-hughes 369 677 214ms 17 Jul 2022 523rd lynn 369 741 3ms 7 Jan 2022 524th MeWhenI 🇻🇦 367 729 440ms 5 Mar 2022 525th MeWhenI 🇻🇦 367 808 7ms 12 Oct 2023 526th emgordon154 366 171 496ms 29 Apr 2025 527th stefangimmillaro 365 856 284ms 16 Sep 2023 528th KatieLG 🇬🇧 365 962 4ms 8 Jan 2023 529th janbehrens 🇩🇪 364 443 402ms 21 Nov 2021 530th lynn 363 759 9ms 7 Jan 2022 531st jahakari 362 445 438ms 21 Nov 2021 532nd ovs-code 🇩🇪 362 593 61ms 9 Jul 2024 533rd Shanethegamer 🇺🇸 362 738 696ms 5 Mar 2022 534th TeodorDyakov 🇧🇬 362 846 563ms 11 Sep 2025 535th Irratix 🇳🇱 359 597 36ms 5 Apr 2022 536th MeWhenI 🇻🇦 358 620 1,167ms 25 Mar 2024 537th dokutan 358 2,080 7ms 7 Sep 2023 538th lynn 357 712 144ms 26 Aug 2021 539th MeWhenI 🇻🇦 356 636 592ms 15 Feb 2023 540th Natanaelel 🇸🇪 355 605 167ms 27 May 2025 541st kamenitxan 🇨🇿 354 187 278ms 8 Feb 2021 542nd Bubbler-4 352 565 35ms 8 Dec 2021 543rd Starwort 🇬🇧 351 708 12ms 26 Sep 2023 544th dokutan 351 8,623 3ms 8 Jun 2023 545th SirBogman 🇺🇸 350 568 34ms 26 Aug 2022 546th tetrogem 349 763 15ms 23 Aug 2025 547th edsrzf 🇳🇿 348 681 799ms 3 Sep 2025 548th stefangimmillaro 347 639 1,217ms 14 Jul 2023 549th Yewzir 🇧🇪 347 856 10ms 16 Jan 2024 550th MeWhenI 🇻🇦 342 681 139ms 3 Aug 2024 551st jared-hughes 341 630 42ms 12 Sep 2022 552nd MeWhenI 🇻🇦 340 979 5ms 28 May 2023 553rd Shanethegamer 🇺🇸 337 987 4ms 2 Jul 2023 554th lynn 336 739 46ms 4 Sep 2021 555th lynn 336 745 99ms 9 Sep 2021 556th CaedenHarper 🇨🇦 336 929 270ms 4 Nov 2025 557th iTearo 🇷🇺 335 992 5ms 25 Dec 2020 558th CaedenHarper 🇨🇦 334 798 9ms 6 Nov 2025 559th antimon2 🇯🇵 332 682 548ms 22 Feb 2022 560th cywong-amino 🇭🇰 331 1,003 4ms 23 Jun 2020 First Prev 481–560 of 1,250 Next Last
