The Calendar hole will go live in approximately 13 days. Why not try and solve it ahead of time?
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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 880th aalec 227 341 10ms 4 May 2024 880th damoose717 227 341 10ms 25 May 2025 883rd sebipopa 🇷🇴 227 405 13ms 17 May 2023 884th MeWhenI 🇻🇦 226 482 876ms 6 Nov 2023 885th strout 226 750 134ms 24 Feb 2023 886th dokutan 226 1,045 2ms 6 Dec 2024 887th jeaosh 225 344 9ms 16 Nov 2024 888th oxjihun 225 345 12ms 23 Jul 2021 889th JRaspass 🇬🇧 224 255 248ms 25 Sep 2022 890th sanssaraf 224 346 29ms 2 May 2020 891st Schmitt-Very-Cool 224 567 643ms 3 Oct 2025 892nd GitMensch 224 1,055 10ms 29 Nov 2024 893rd stackofbears 221 295 36ms 7 Jul 2025 894th aresok 221 575 794ms 4 Jul 2023 895th frozolotl 221 687 167ms 14 Apr 2020 896th mousetail 🇳🇱 220 353 16ms 6 Jul 2024 897th eranws 220 418 14ms 24 Oct 2022 898th HumanoidCPU 218 355 17ms 23 Aug 2024 899th jhpaques 🇫🇷 218 356 11ms 8 Aug 2022 900th CameronGBell 215 361 12ms 18 Nov 2022 901st rbertram90 🇬🇧 215 440 5ms 3 May 2025 902nd bidger 215 590 614ms 17 Nov 2022 903rd jfallon1997 214 363 14ms 7 Sep 2022 904th postie77 213 443 429ms 5 Jul 2023 905th joonaspu 212 366 10ms 12 Jun 2023 906th NanduBC 211 367 10ms 21 Mar 2021 907th Mikey-Beep 🇬🇧 210 369 9ms 24 Aug 2023 908th dirckvdende 210 370 9ms 11 Jul 2025 909th corbob 🇨🇦 209 382 350ms 1 May 2024 910th vonKrafft 209 440 10ms 27 Mar 2020 911th amberzit 208 372 10ms 3 Jul 2025 912th wackbyte 208 730 303ms 7 Dec 2023 913th ianpoe 207 374 16ms 30 Apr 2020 914th wearsunscreen 207 375 11ms 26 Sep 2023 914th CommandLeo 🇮🇹 207 375 12ms 19 days ago 916th yoshykai 207 613 516ms 31 Mar 2025 917th KatieLG 🇬🇧 207 1,201 960ms 13 Jan 2025 918th HumanoidCPU 206 344 418ms 23 Aug 2024 919th asadullayev 206 376 12ms 31 Oct 2021 920th vhoulbreque 🇫🇷 206 377 13ms 14 days ago 921st Jaydosu 205 378 10ms 10 May 2022 922nd Re-Adventures 🇮🇳 204 380 18ms 25 Sep 2020 923rd renthist 204 462 405ms 30 Jan 2022 924th The-Wolfson 204 625 123ms 2 Nov 2024 925th roy-sianez 203 452 2ms 16 Mar 2025 926th hacker112 🇸🇪 203 454 10ms 23 Jun 2024 927th gardarjuto 202 383 20ms 16 Nov 2020 928th brochmann 🇸🇪 201 385 12ms 9 Feb 2022 929th ShiraJoseph 🇺🇸 201 458 11ms 28 Jan 2023 930th wrhm 199 389 11ms 15 Dec 2020 931st jtthrillson 199 641 84ms 18 Dec 2021 932nd camieac 🇬🇧 196 396 12ms 9 Jun 2023 933rd lukehewittvandy 196 647 557ms 12 Jul 2022 934th JGDoerrer 196 778 164ms 1 Feb 2022 935th dokutan 196 1,207 13ms 24 Dec 2024 936th firegene 🇮🇪 195 397 12ms 6 Jan 2022 936th bsoyka 🇺🇸 195 397 16ms 16 Jul 2022 938th Tenclea 195 471 11ms 26 Aug 2023 939th twocatsinatrenchcoat 194 399 11ms 21 May 2022 940th TaserTheFox 🇺🇸 194 400 10ms 24 Mar 2023 941st tomh1012 193 402 18ms 9 Nov 2020 942nd Terobero 192 403 10ms 3 Sep 2024 943rd salipshitz 191 405 11ms 20 Apr 2020 944th Kaffeleif 190 443 7ms 21 Mar 2024 945th jake-freeman 190 484 12ms 28 Feb 2020 946th petrusck 189 675 86ms 4 Jul 2021 947th nephila-nacrea 🇬🇧 187 269 3ms 4 Sep 2021 948th awei82 187 294 37ms 30 Jun 2022 949th mwitherow 187 414 13ms 7 Aug 2023 950th justinmanawa 187 428 328ms 21 Mar 2022 951st vonKrafft 187 506 5ms 24 Mar 2020 952nd kypi 186 418 10ms 22 Feb 2020 952nd alangodfrey 186 418 10ms 9 Apr 2020 954th TannerJ07 🇺🇸 186 816 200ms 4 Apr 2025 955th Andrey2001 183 423 10ms 4 days ago 956th celiendonze 🇨🇭 181 428 14ms 4 Jul 2023 957th MrMullac 181 509 10ms 6 Apr 2025 958th pengu1n-master 180 431 10ms 13 Dec 2021 959th Schmitt-Very-Cool 180 766 70ms 13 Oct 2025 960th MiranDaniel 🇨🇿 179 433 11ms 31 Aug 2023 First Prev 881–960 of 1,385 Next Last
