The Calendar hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Calendar 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 81st emplv 🇱🇻 0 129 13ms 6 days ago 81st Florian-Mt 0 129 16ms 6 days ago 83rd voytxt 🇨🇿 0 131 12ms 6 days ago 84th jameswmccarty 0 132 15ms 29 Mar 2025 84th paiv 0 132 15ms 16 Jun 2025 84th stefangimmillaro 0 132 38ms 5 days ago 84th jared-hughes 0 132 16ms 43 hours ago 88th DialFrost 🇸🇬 0 133 17ms 9 days ago 89th GrayJoKing 🇦🇺 0 134 204ms 7 days ago 90th martindotexe 🇳🇴 0 135 18ms 2 days ago 91st NoneTheFewer 0 136 16ms 45 hours ago 92nd croc54 0 137 16ms 7 Feb 2025 93rd TheZwierzLF 🇵🇱 0 139 16ms 9 days ago 94th pardouin 🇫🇷 0 141 44ms 6 days ago 95th ovs-code 🇩🇪 0 142 35ms 8 days ago 96th rucin93 🇵🇱 0 145 9ms 31 May 2025 96th Lv0Sys 🇵🇱 0 145 20ms 8 days ago 98th sean-niemann 🇺🇸 0 146 10ms 8 days ago 99th Natanaelel 🇸🇪 0 157 39ms 6 days ago 100th IISResetMe 0 161 294ms 2 days ago 101st D-MOVE 🇵🇭 0 162 38ms 10 hours ago 102nd pardouin 🇫🇷 0 163 1,352ms 6 days ago 103rd kg583 🇺🇸 0 169 48ms 6 May 2025 104th sean-niemann 🇺🇸 0 170 40ms 9 days ago 105th kg583 🇺🇸 0 178 48ms 5 May 2025 106th targrik 0 184 9ms 4 days ago 107th lukegustafson 🇺🇸 0 185 13ms 3 days ago 108th attila8192 0 189 9ms 4 Mar 2025 109th AdrienHache 🇫🇷 0 190 397ms 27 Nov 2025 110th MeWhenI 🇻🇦 0 192 40ms 3 days ago 111th olleicua 🇺🇸 0 201 36ms 46 hours ago 112th yibotongxue 0 204 15ms 20 Sep 2025 112th Yax42 🇫🇷 0 204 429ms 9 days ago 114th Andrey-Plotnikov 0 213 9ms 12 Jan 2025 115th snoozingnewt 🇨🇦 0 217 40ms 12 Oct 2025 116th rucin93 🇵🇱 0 223 3ms 2 hours ago 117th namelessiw 0 225 382ms 28 Oct 2025 118th targrik 0 226 9ms 9 Apr 2025 118th CaedenHarper 🇨🇦 0 226 10ms a min ago 120th KasperKivimaeki 🇫🇮 0 227 3ms 2 days ago 121st tomh1012 0 229 400ms 5 days ago 122nd madex 🇩🇪 0 230 3ms 5 days ago 122nd Protothor 0 230 11ms 2 days ago 124th JOrE20 🇺🇸 0 240 11ms 35 hours ago 125th pardouin 🇫🇷 0 241 2,748ms 5 days ago 125th JOrE20 🇺🇸 0 241 267ms 10 hours ago 127th snyderek 🇺🇸 0 244 425ms 5 days ago 128th CLOStrophobic 🇮🇹 0 250 18ms 7 May 2025 129th kg583 🇺🇸 0 251 8ms 6 days ago 130th AlephSquirrel 0 253 26ms 8 days ago 131st CaedenHarper 🇨🇦 0 255 261ms 3 days ago 132nd albanian-laundromat 0 261 6ms 8 Jul 2025 133rd CaedenHarper 🇨🇦 0 266 883ms 115 mins ago 134th smclaughlin-cf 0 270 9ms 17 days ago 135th ovs-code 🇩🇪 0 280 153ms 8 days ago 136th aadenboy 🇺🇸 0 293 4ms 8 days ago 137th kmathis22 0 294 486ms 8 days ago 138th CaedenHarper 🇨🇦 0 297 440ms 24 mins ago 139th nyson 0 307 387ms 17 Jun 2025 140th qrakhen 0 318 407ms 5 days ago 141st CaedenHarper 🇨🇦 0 329 427ms 27 hours ago 142nd jerrandolph 0 362 261ms 30 Sep 2025 143rd Jacob385 0 450 438ms 29 Jan 2025 144th nate8nate 0 483 7ms 11 May 2025 145th aksyristos 0 603 38ms 3 hours ago 146th johannes-looney-lizard 0 724 391ms 25 Apr 2025 147th snoozingnewt 🇨🇦 0 868 4ms 4 Oct 2025 148th JOrE20 🇺🇸 0 1,000 60ms 2 days ago 149th warmCabin 0 1,320 3ms 2 hours ago First Prev 81–149 of 149