The Calendar hole will go live in approximately 8 days. Why not try and solve it ahead of time?
All holes in Nim 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 Holes Points Chars Submitted 161st zakariamouhid 2 706 2,561 18 May 2023 162nd bobbysq 1 698 116 8 Jun 2023 163rd JunkIce 2 693 1,126 27 Feb 2025 164th Trusly 1 681 339 30 May 2024 165th p-vf 🇨🇭 1 677 62 28 Oct 2021 166th Msleizak 🇫🇷 2 677 611 15 Dec 2023 167th InigoK 🇺🇸 2 664 1,156 20 Sep 2025 168th CedricGebistorf 1 655 58 6 Feb 2022 169th thisishowmymindworks 🇳🇴 1 647 85 31 Jul 2020 170th Kesefon 1 644 59 5 Nov 2022 171st Ralac07 🇦🇺 2 635 1,174 27 Oct 2025 172nd TheRealOhead 🇺🇸 1 633 60 22 Jan 2023 172nd azure-blondon 1 633 60 5 May 2024 174th tegenton 1 632 87 4 Oct 2021 174th alichraghi 1 632 87 14 Oct 2021 174th varhammer 🇷🇺 1 632 87 31 Jan 2022 174th michael-pruglo 🇺🇦 1 632 87 6 Jul 2022 174th 4hg 🇺🇸 1 632 87 17 Sep 2022 174th rak1507 🇬🇧 1 632 87 31 Aug 2023 180th adamnielson42 🇺🇸 2 630 1,146 12 Dec 2023 181st xigoi 1 618 68 8 Feb 2021 182nd Smetalo 1 609 69 25 Aug 2022 183rd NatNgs 1 604 91 9 Jan 2020 183rd ozefe 🇹🇷 1 604 91 28 Oct 2021 185th AgentIvan 🇺🇦 1 604 101 25 Mar 2021 185th namelessiw 1 604 101 18 Jan 2024 187th arctouch-cristiannevianna 1 596 136 1 Nov 2023 188th epic-programmer-guy 1 594 64 17 Dec 2023 189th hyvyys 1 594 69 24 Sep 2020 190th mbuchel 1 592 233 28 Aug 2021 191st n7itro 1 589 326 4 May 2024 192nd UpwardProcess 1 587 104 29 Jul 2019 193rd somebody1234 1 586 70 20 Jan 2020 194th ToriTheChicken 1 579 95 31 Jul 2020 195th sm1lko 1 576 66 14 Dec 2022 196th TehFlaminTaco 1 573 96 9 Nov 2022 197th copoer 1 560 109 27 Feb 2023 198th Secozzi 2 554 1,251 4 Nov 2020 199th abailey2020 🇺🇸 1 545 112 27 Dec 2020 200th loganmacdougall 🇨🇦 1 540 113 12 Nov 2021 200th RedzGoose 🇦🇺 1 540 113 17 Sep 2024 202nd Feniske 🇫🇷 1 535 114 10 Oct 2022 203rd RaBa21 🇭🇺 3 535 2,561 7 May 2025 204th kenballus 1 521 73 6 Dec 2019 204th CyberTapir 1 521 73 28 Aug 2024 206th dylanarmstrong 1 521 117 25 Jan 2024 207th Schmitt-Very-Cool 2 514 529 22 Nov 2025 208th alexanderharring 1 506 164 8 Nov 2023 209th j-Ewan 1 504 121 25 Feb 2022 209th bwat2 1 504 121 6 Apr 2022 211th theunofficialcoder 5 499 15,824 3 Sep 2021 212th tomh1012 1 488 84 13 Oct 2020 213th dillon-duncando 1 487 78 28 Nov 2021 214th lowlighter 1 487 113 1 Nov 2020 215th dimspith 1 484 126 10 Aug 2020 216th ElevatorShaft 1 482 114 10 Aug 2019 217th jtaxen 1 481 79 18 Mar 2022 218th twocatsinatrenchcoat 1 480 127 25 Apr 2022 218th aliakseikalosha 1 480 127 15 Oct 2024 220th seruum 1 478 92 5 Jun 2019 221st SniperSmiley 🇺🇸 1 477 128 2 Aug 2022 222nd villfa 1 466 118 27 May 2019 222nd Starwort 🇬🇧 1 466 118 28 May 2019 222nd EthanGrant1 1 466 118 21 Apr 2022 222nd ndren 1 466 118 31 Jul 2023 226th Simon3995 🇳🇱 1 459 133 10 Jun 2020 227th anter69 🇭🇺 1 456 79 18 Sep 2024 228th martinnorling 🇸🇪 1 452 84 21 Mar 2022 229th doge1338 1 447 123 15 Dec 2020 230th Tsuk1w 🇫🇷 1 445 137 9 Nov 2022 231st Noah-Fox 1 442 86 1 Jun 2022 232nd louisbosqui 1 439 139 28 Dec 2020 233rd pandapawskat 1 433 141 30 Aug 2021 234th davbass 🇮🇹 1 427 143 24 Aug 2023 235th h3ra993huskp 🇯🇵 1 424 144 13 Oct 2025 236th LHLaurini 🇧🇷 1 418 550 14 Jul 2024 237th ze-h 🇺🇸 1 414 99 28 Feb 2023 238th ArturLukianov 1 404 151 17 Dec 2020 239th jaxmattfair 🇺🇸 1 401 297 14 Jan 2023 240th jhpaques 🇫🇷 1 398 299 16 Dec 2022 First Prev 161–240 of 301 Next Last