The Calendar hole will go live in approximately 19 hours. Why not try and solve it ahead of time?
Diamonds in Python 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 477th pricemat 295 190 11ms 26 Oct 2023 477th CyberTapir 295 190 10ms 27 Aug 2024 477th mm1013g 295 190 9ms 6 Sep 2024 477th ComputerKWasTaken 🇺🇸 295 190 10ms 8 May 2025 477th EthanJantz 295 190 16ms 5 Sep 2025 486th MLPdiscord 293 191 10ms 22 Jan 2022 487th WilliamBate 290 193 9ms 18 Aug 2020 487th evanrittner 290 193 10ms 26 Feb 2021 487th ztuned 290 193 10ms 26 Jul 2023 487th te-chnical 290 193 10ms 6 May 2025 491st Demonarchet 286 196 10ms 18 Apr 2023 491st Chimplement 286 196 12ms 13 Dec 2023 493rd og2701 284 197 10ms 14 May 2021 493rd ethandhunt 284 197 10ms 16 Aug 2021 495th Akilles1 281 199 10ms 20 Nov 2024 496th jakekaplan 280 200 16ms 15 Mar 2019 497th CRHillman 279 201 11ms 15 Sep 2020 498th akshatj27 🇦🇶 277 202 10ms 11 Jan 2022 499th CheeseCake628 🇳🇴 275 204 17ms 15 Nov 2024 500th mrmena 🇦🇺 273 205 10ms 29 Jun 2021 501st tomh1012 267 210 17ms 29 Oct 2020 502nd besasam 265 211 10ms 31 Mar 2021 503rd PaulBadour 264 212 9ms 29 Oct 2023 504th zuparnowa 263 213 9ms 28 Jan 2019 504th henrytranter 263 213 10ms 20 Sep 2019 504th KiwiLT 263 213 10ms 16 Nov 2022 507th Bit125 262 214 11ms 31 Jan 2024 508th XaXa1234 260 215 9ms 23 Apr 2020 508th JuniorKlump 260 215 9ms 15 Sep 2025 510th hotmanga 256 219 9ms 6 Nov 2023 511th atazzam 🇺🇸 253 221 9ms 3 Sep 2022 512th jamespeilunli 252 222 9ms 29 Dec 2021 513th vonKrafft 251 223 9ms 25 Mar 2020 514th tasuren 250 224 23ms 8 Jan 2021 515th elteammate 248 226 10ms 7 Jul 2020 516th thomashastings 247 227 11ms 15 Apr 2021 517th Florian-Mt 241 232 10ms 15 Mar 2024 518th Ccuredalerayner 240 233 9ms 14 May 2021 519th AforAmpere 238 235 11ms 3 May 2020 520th tkjn 234 239 9ms 8 Nov 2023 520th OSYCh314 🇦🇺 234 239 9ms 7 Nov 2024 522nd egelmex 230 243 9ms 15 Nov 2019 522nd NoneTheFewer 230 243 11ms 3 days ago 524th hjcafaroUC 228 246 10ms 12 Jun 2021 525th TJK-S 227 247 9ms 27 days ago 526th craftablescience 221 253 10ms 25 Apr 2022 527th DihydrogenMonoxideH2O 220 255 9ms 23 Jan 2025 528th newc0m 209 268 9ms 8 Apr 2019 529th SURAJMITTAL 207 270 10ms 17 Dec 2024 530th luttermann 206 272 10ms 9 Aug 2019 531st kevinnaviapaiva 204 274 11ms 14 Feb 2025 532nd twocatsinatrenchcoat 201 278 10ms 12 May 2022 533rd justpic1 201 279 10ms 13 Mar 2023 533rd Mch47 201 279 9ms 29 Oct 2023 535th dcure73 200 280 9ms 7 Jun 2019 536th ineedcookie 199 281 10ms 1 May 2024 537th YoungjuneKwon 197 284 10ms 22 Jan 2019 538th JKfromHMS 194 288 10ms 30 Apr 2024 539th r-benson 🇬🇧 192 291 10ms 30 Jan 2023 540th kpasc 190 294 9ms 14 Jul 2018 541st MatanAvitan 190 295 10ms 18 Feb 2020 541st StoverGitHub 190 295 10ms 16 Jun 2022 541st cseiter 190 295 9ms 6 Dec 2022 544th UltimateGuy0987 184 305 11ms 8 Nov 2022 544th shanerey6 184 305 9ms 4 Oct 2023 546th mothcolada 🇺🇸 173 324 9ms 15 Dec 2020 547th jjbvtk 172 325 9ms 27 Sep 2021 548th jgermain48 172 326 9ms 25 Apr 2020 549th JOrE20 🇺🇸 170 329 9ms 1 Dec 2025 550th Zhenyu-Bo 166 338 9ms 31 Jul 2025 551st codefeld 165 339 9ms 27 Feb 2023 552nd LukasFolwarczny 🇨🇿 165 340 11ms 17 Sep 2022 553rd ldoodle 163 344 10ms 6 Oct 2022 554th parkerscheon 159 352 11ms 24 Nov 2020 555th confusedjpg 151 372 10ms 31 Mar 2024 556th twrogers1 149 375 10ms 27 Aug 2020 557th luca1339 147 380 10ms 30 Apr 2024 558th lukasmoellerch 147 382 10ms 14 Jan 2019 559th valgardg 🇮🇸 139 403 10ms 8 Sep 2022 560th dahappy1989 134 418 9ms 5 Nov 2023 First Prev 481–560 of 585 Next Last
