The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
12 Days of Christmas 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 881st paulthepen 537 506 4ms 12 Aug 2022 882nd JESchoett 537 1,080 12ms 9 Dec 2024 883rd MCausc78 🇺🇦 536 494 276ms 5 Jan 2023 884th nwwdles 536 555 257ms 15 Apr 2020 885th Sakkeh 536 575 428ms 9 May 2020 886th iTearo 🇷🇺 535 508 4ms 25 Dec 2020 887th JRaspass 🇬🇧 535 556 269ms 23 Sep 2022 888th msbranicky 535 718 10ms 12 Dec 2024 889th HorvathPeterHub 534 509 4ms 12 Jan 2024 890th 4very 533 404 9ms 9 Jun 2025 891st jjstreet 533 578 420ms 1 May 2020 892nd ovs-code 🇩🇪 531 383 6ms 12 Nov 2023 892nd varhammer 🇷🇺 531 383 7ms 13 Dec 2023 894th GrayJoKing 🇦🇺 531 461 2ms 12 Sep 2022 895th asminog 531 511 4ms 5 Oct 2024 896th marcus-gomes-v 🇧🇷 531 580 412ms 14 Dec 2021 897th Schmitt-Very-Cool 531 581 398ms 26 Sep 2025 898th msbranicky 530 497 2ms 20 Jan 2025 899th janAkali 🇷🇺 530 500 121ms 7 Oct 2024 900th wuzekai518 530 625 153ms 30 Jul 2024 901st harshit54 529 562 261ms 3 Oct 2023 902nd yoshykai 529 583 389ms 30 Mar 2025 903rd peter-shen-dev 529 598 120ms 28 Nov 2019 904th emplv 🇱🇻 528 563 261ms 29 Apr 2024 905th KaLuAnFo 528 584 375ms 11 Aug 2025 906th inventshah 527 502 77ms 16 Sep 2023 907th krencl 527 515 4ms 28 Apr 2020 907th Bubbleshum 527 515 4ms 4 Apr 2024 909th MeWhenI 🇻🇦 526 465 394ms 19 Jun 2025 910th mrdamien 526 516 4ms 26 Mar 2019 910th timmickey 526 516 4ms 31 Dec 2022 912th stipo42 526 565 262ms 20 Apr 2020 912th ibeucaly 526 565 268ms 6 Nov 2021 914th DaCuteRaccoon 526 586 428ms 2 Oct 2022 915th HassanAliKadhem 🇧🇭 525 566 266ms 2 Aug 2023 916th cbrt-x 525 587 406ms 3 Sep 2021 917th epic-programmer-guy 525 603 123ms 25 Dec 2023 918th lahell 523 353 277ms 12 Jul 2020 919th PradCoder 523 363 10ms 6 Apr 2024 920th janbehrens 🇩🇪 523 492 587ms 24 Apr 2023 921st sean-niemann 🇺🇸 522 469 365ms 30 Oct 2024 922nd olivermrose 🇺🇸 522 600 1,283ms 26 Oct 2021 923rd Yewzir 🇧🇪 521 571 256ms 7 Feb 2024 924th taredding 521 592 413ms 6 Oct 2021 925th DaCuteRaccoon 521 608 122ms 9 Apr 2022 926th SirBogman 🇺🇸 520 433 33ms 16 Apr 2022 927th Flrnhd2 520 522 4ms 14 days ago 928th cheevu-RS 520 637 127ms 10 Mar 2020 929th CheeseCake628 🇳🇴 519 338 452ms 17 Jan 2024 930th nwellnhof 🇩🇪 519 509 84ms 9 Jan 2022 931st Echriser 519 510 270ms 14 Nov 2022 932nd mhsaul 518 367 10ms 11 Apr 2023 933rd prestosilver 🇺🇸 518 511 384ms 57 mins ago 934th bwat2 517 596 427ms 6 Dec 2021 935th joedia 517 868 2ms 16 Apr 2022 935th duartegomes 517 868 2ms 20 Dec 2022 937th magnickolas 516 368 9ms 19 Nov 2020 938th clockworknazo 516 431 3ms 27 Oct 2022 939th peeveen 🇬🇧 516 474 387ms 8 Sep 2023 940th idavidka 🇭🇺 516 514 39ms 31 May 2023 941st ovs-code 🇩🇪 515 432 3ms 10 Feb 2023 942nd stefangimmillaro 514 467 3,942ms 29 Oct 2024 943rd Gaddy 🇫🇷 514 476 366ms 3 May 2022 943rd hemphen 514 476 373ms 28 Aug 2022 945th ListeriaM 514 514 384ms 20 Aug 2023 945th GolfingSuccess 🇬🇷 514 514 65ms 25 Dec 2023 947th HumanEquivalentUnit 514 593 13ms 12 Feb 2022 948th luciaaibarblanco 🇪🇸 513 477 401ms 21 Nov 2021 949th yzzyx 513 580 256ms 18 Apr 2020 950th petrusck 513 595 120ms 30 Dec 2021 951st ldoodle 513 601 426ms 23 Aug 2022 952nd ocean0821 512 371 1,142ms 7 May 2025 953rd yzhs 🇩🇪 512 397 8ms 29 Feb 2020 954th emgordon154 512 503 576ms 4 Jun 2025 955th prplz 🇦🇺 512 516 82ms 4 Jan 2022 956th apreg 511 519 40ms 22 May 2023 957th geezyx 511 582 266ms 16 Apr 2020 957th dokutan 511 582 259ms 24 Mar 2025 959th revlayle 🇺🇸 510 480 372ms 31 May 2022 959th Shanethegamer 🇺🇸 510 480 3ms 22 Mar 2023 First Prev 881–960 of 3,931 Next Last