The Calendar hole will go live in approximately 36 hours. Why not try and solve it ahead of time?
United States in Python in bytes. 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 Bytes Time Submitted 81st dokutan 637 168 9ms 11 Sep 2025 82nd snoozingnewt 🇨🇦 633 169 10ms 3 Nov 2023 82nd Lv0Sys 🇵🇱 633 169 10ms 30 May 2025 82nd LostSyntax21 🇬🇧 633 169 10ms 5 Jul 2025 82nd Flekay 🇩🇪 633 169 10ms 10 Jul 2025 86th Secozzi 622 172 10ms 20 Oct 2020 86th ZakkkkAttackkkk 🇵🇭 622 172 10ms 13 Aug 2022 86th qpwoeirut 622 172 10ms 4 Jul 2025 89th enbyte 618 173 13ms 11 Jun 2021 90th Natanaelel 🇸🇪 611 175 10ms 30 Jul 2023 91st shelerr 569 188 13ms 4 Jul 2023 91st GolfingSuccess 🇬🇷 569 188 9ms 18 Aug 2024 93rd chartung17 549 195 11ms 20 Dec 2023 94th Troon 540 198 16ms 19 Aug 2025 95th HelloGravity 530 202 11ms 6 Aug 2022 95th Artemis21 🇬🇧 530 202 17ms 4 Jan 2025 97th Openstreetmapler 519 206 17ms 4 Oct 2025 98th yzhs 🇩🇪 514 208 10ms 2 Feb 2020 99th Brianzhengca 512 209 12ms 3 Feb 2021 100th marcin7Cd 507 211 10ms 11 Dec 2020 101st staniec 500 214 10ms 6 Dec 2024 102nd NDR0216 🇹🇼 498 215 14ms 8 Jul 2024 103rd Haksell 🇦🇶 495 216 11ms 6 Apr 2020 104th FlorianCassayre 🇫🇷 493 217 10ms 21 Oct 2023 105th boboquack 491 218 12ms 6 Nov 2023 106th SirFireball3521 486 220 9ms 9 Feb 2023 107th michelebastione 🇮🇹 482 222 10ms 26 Feb 2022 107th wen1now 482 222 17ms 8 Nov 2023 109th neihousaigaai 480 223 9ms 5 Oct 2024 110th knutae 🇳🇴 478 224 10ms 16 Nov 2021 110th leon-w 478 224 11ms 24 Jul 2024 112th stordev 476 225 10ms 26 Feb 2021 113th quimey 473 226 10ms 3 Jul 2023 113th ahmetdemirag 🇨🇾 473 226 10ms 27 Oct 2024 115th InigoK 🇺🇸 471 227 13ms 5 May 2023 116th dymowski 469 228 15ms 2 Feb 2020 117th cubed-guy 465 230 15ms 18 Oct 2021 117th joshmoody24 465 230 10ms 19 Nov 2025 119th fgrosshans 🇫🇷 463 231 12ms 16 Jul 2024 120th andrewjc2000 459 233 10ms 27 Mar 2025 120th TheZwierzLF 🇵🇱 459 233 15ms 24 May 2025 122nd rxdvd 451 237 11ms 3 Feb 2023 123rd NerdyMcNerd42 446 240 9ms 12 Nov 2022 124th msbranicky 444 241 10ms 10 Jul 2023 125th bzijlema 🇳🇱 439 244 10ms 26 Jun 2025 125th Emutis 🇱🇹 439 244 10ms 13 Sep 2025 127th FranklinJiaChen 437 245 10ms 4 Jul 2024 127th NotEvenIndian 437 245 12ms 22 Oct 2024 127th yanjs 437 245 10ms 4 Jul 2025 130th hoodadam 433 247 11ms 27 Feb 2020 130th codingisgreatbutiamnot 433 247 10ms 9 Aug 2024 132nd Nigel-C 430 249 11ms 30 May 2022 133rd OllieBoyne 🇬🇧 428 250 10ms 18 Aug 2022 134th dyc3 423 253 13ms 2 Jul 2020 135th kyleclaassen 420 255 11ms 28 Feb 2022 135th vishwathg 420 255 16ms 16 Sep 2022 137th Lucy-McGinnis 418 256 12ms 13 May 2020 137th guilhem-roy 🇫🇷 418 256 24ms 27 Jul 2023 139th mothcolada 🇺🇸 416 257 12ms 5 Jul 2025 140th fenix-bear 412 260 10ms 19 days ago 141st martinnorling 🇸🇪 408 262 10ms 17 Feb 2022 142nd tnecio 404 265 10ms 19 Jun 2024 143rd SpeedyNinja 389 275 10ms 21 Oct 2020 144th vezzick 388 276 12ms 12 Mar 2021 144th inverseLorentz 🇦🇺 388 276 10ms 13 Jun 2022 144th za3k 388 276 10ms 27 Oct 2022 144th EnTerr 388 276 9ms 9 Sep 2024 148th mathisfun271 385 278 19ms 29 Oct 2021 149th ydevor 🇮🇱 384 279 11ms 25 Nov 2020 149th sjrct 384 279 9ms 6 Aug 2024 151st rowboat1 377 284 10ms 19 Jun 2022 151st SniperSmiley 🇺🇸 377 284 13ms 15 Jun 2024 153rd albanian-laundromat 375 285 10ms 5 Jun 2025 154th gautambp 370 289 13ms 21 Jun 2025 155th m42km 368 291 12ms 3 Feb 2024 156th befoster 365 293 12ms 10 Apr 2021 157th rollershutter 364 294 10ms 7 Apr 2025 158th LHLaurini 🇧🇷 363 295 10ms 30 Jun 2024 159th tpaxman 🇨🇦 361 296 16ms 9 Dec 2020 160th cthierfelder 🇲🇨 360 297 10ms 6 Sep 2025 First Prev 81–160 of 386 Next Last