The
Calendar
hole will go live in approximately
32 hours
. Why not try and solve it ahead of time?
Recent Solutions
Prev Hole
Play Hole
Next Hole
Achievements
Cheevos
Golfers
Solutions
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
Hole
Golfer
Bytes
Time
Submitted
Diamonds
plcc0
86
35ms
43 hours ago
Diamonds
TheZwierzLF
115
34ms
6 days ago
Diamonds
gigaprofisi
1,109
39ms
13 days ago
Diamonds
kurkale6ka
1,108
91ms
14 days ago
Diamonds
D-MOVE
78
38ms
23 days ago
Diamonds
Lv0Sys
73
37ms
1 Dec 2025
Diamonds
lacrosse
91
37ms
28 Nov 2025
Diamonds
Zach1031
298
38ms
15 Nov 2025
Diamonds
sean-niemann
🥇
53
34ms
14 Nov 2025
Diamonds
JOrE20
1,725
40ms
6 Nov 2025
Diamonds
Babafaba
1,108
34ms
24 Oct 2025
Diamonds
kmathis22
170
40ms
10 Oct 2025
Diamonds
radarek
🥇
53
37ms
26 Sep 2025
Diamonds
Languag3
132
36ms
24 Sep 2025
Diamonds
blaztoma
122
37ms
5 Sep 2025
Diamonds
pardouin
62
40ms
1 Sep 2025
Diamonds
csharpython
72
37ms
28 Aug 2025
Diamonds
CaedenHarper
1,108
36ms
16 Aug 2025
Diamonds
LvLError
199
35ms
29 May 2025
Diamonds
dokutan
193
51ms
21 Apr 2025
Diamonds
codereport
99
39ms
18 Apr 2025
Diamonds
albanian-laundromat
222
41ms
11 Apr 2025
Diamonds
kevinnaviapaiva
262
43ms
5 Mar 2025
Diamonds
acotis
1,108
34ms
19 Feb 2025
Diamonds
yhm138
433
36ms
18 Feb 2025
Diamonds
zt14427
1,725
35ms
11 Feb 2025
Diamonds
adamnielson42
1,108
36ms
2 Feb 2025
Diamonds
JunkIce
1,109
35ms
19 Jan 2025
Diamonds
AidanWalter
432
35ms
2 Jan 2025
Diamonds
tatzyr
77
37ms
10 Dec 2024
Diamonds
Quirkly-Quasar1
1,109
41ms
4 Dec 2024
Diamonds
didroe
86
36ms
7 Nov 2024
Diamonds
taha-daneshmand
374
40ms
2 Oct 2024
Diamonds
Mabeloid
1,108
37ms
17 Sep 2024
Diamonds
janlelis
70
43ms
13 Sep 2024
Diamonds
madeforlosers
1,620
38ms
13 Sep 2024
Diamonds
Steffan153
🥇
53
35ms
28 Aug 2024
Diamonds
CyberTapir
199
35ms
27 Aug 2024
Diamonds
madex
172
37ms
23 Jul 2024
Diamonds
BREMAUCY
269
39ms
19 Jul 2024
Diamonds
emgordon154
91
38ms
4 Jul 2024
Diamonds
Jacob385
1,108
45ms
19 Jun 2024
Diamonds
Ralac07
138
40ms
14 Jun 2024
Diamonds
DialFrost
73
35ms
2 Jun 2024
Diamonds
error256
94
41ms
18 May 2024
Diamonds
HumanoidCPU
1,108
44ms
22 Apr 2024
Diamonds
neihousaigaai
93
36ms
13 Feb 2024
Diamonds
Shanethegamer
83
36ms
24 Jan 2024
Diamonds
olleicua
79
36ms
15 Jan 2024
Diamonds
theunofficialcoder
1,108
35ms
13 Jan 2024
Diamonds
RaBa21
1,725
37ms
23 Nov 2023
Diamonds
SirBogman
65
38ms
16 Nov 2023
Diamonds
FlyingPenguin223
73
39ms
7 Nov 2023
Diamonds
neel11235813
1,109
38ms
23 Oct 2023
Diamonds
sisyphus-ppcg
74
38ms
18 Oct 2023
Diamonds
inventshah
81
39ms
24 Sep 2023
Diamonds
aaronze
96
35ms
17 Sep 2023
Diamonds
msbranicky
184
40ms
14 Sep 2023
Diamonds
SB-945
1,725
39ms
13 Sep 2023
Diamonds
snoozingnewt
199
34ms
7 Sep 2023
Diamonds
jacobly0
108
47ms
17 Aug 2023
Diamonds
Schmitt-Very-Cool
1,109
41ms
3 Aug 2023
Diamonds
jmerle
1,108
37ms
6 Jul 2023
Diamonds
zakariamouhid
1,109
39ms
20 May 2023
Diamonds
TaserTheFox
1,120
35ms
19 May 2023
Diamonds
ovs-code
61
35ms
9 May 2023
Diamonds
5cw
138
35ms
27 Apr 2023
Diamonds
InigoK
191
41ms
25 Apr 2023
Diamonds
commandblockguy
1,108
36ms
16 Apr 2023
Diamonds
Haksell
1,108
41ms
22 Feb 2023
Diamonds
Lydxn
🥇
53
35ms
22 Feb 2023
Diamonds
Yewzir
172
36ms
6 Feb 2023
Diamonds
aksyristos
77
37ms
31 Jan 2023
Diamonds
GolfingSuccess
1,108
37ms
25 Jan 2023
Diamonds
andersk
1,109
36ms
17 Jan 2023
Diamonds
Betuaredead
199
37ms
11 Jan 2023
Diamonds
stefangimmillaro
66
35ms
6 Jan 2023
Diamonds
Msleizak
1,636
38ms
13 Dec 2022
Diamonds
scpchicken
1,108
37ms
3 Dec 2022
Diamonds
trist224
199
39ms
28 Nov 2022