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Learn More about
Wolfram Language
Related Pages
Related Symbols
MoonPhase
Related Categories
Astronomy
Plotting Moon Phases
Find and plot the phase of the Moon for specific dates
Example Notebook
Open in Cloud
Download Notebook
Find the current phase of the Moon (fraction of Moon illuminated):
I
n
[
1
]
:
=
M
o
o
n
P
h
a
s
e
[
]
O
u
t
[
1
]
=
0
.
9
3
5
5
Show an icon version:
I
n
[
2
]
:
=
I
c
o
n
D
a
t
a
[
"
M
o
o
n
P
h
a
s
e
"
,
M
o
o
n
P
h
a
s
e
[
]
]
O
u
t
[
2
]
=
Find what the phase of the Moon will be next Sunday:
I
n
[
3
]
:
=
I
c
o
n
D
a
t
a
"
M
o
o
n
P
h
a
s
e
"
,
M
o
o
n
P
h
a
s
e
O
u
t
[
3
]
=
Find the phase of the Moon when Apollo 11 landed:
I
n
[
4
]
:
=
I
c
o
n
D
a
t
a
"
M
o
o
n
P
h
a
s
e
"
,
M
o
o
n
P
h
a
s
e
A
p
o
l
l
o
1
1
M
A
N
N
E
D
S
P
A
C
E
M
I
S
S
I
O
N
l
u
n
a
r
l
a
n
d
i
n
g
d
a
t
e
O
u
t
[
4
]
=
Compute the phases of the Moon for the next 100 days:
I
n
[
5
]
:
=
T
a
b
l
e
[
M
o
o
n
P
h
a
s
e
[
D
a
y
P
l
u
s
[
T
o
d
a
y
,
n
]
]
,
{
n
,
1
0
0
}
]
O
u
t
[
5
]
=
{
0
.
9
0
5
1
,
0
.
8
4
3
2
,
0
.
7
6
8
1
,
0
.
6
8
1
8
,
0
.
5
8
6
4
,
0
.
4
8
4
9
,
0
.
3
8
0
7
,
0
.
2
7
8
2
,
0
.
1
8
3
2
,
0
.
1
0
2
0
,
0
.
0
4
1
6
2
,
0
.
0
0
7
7
7
6
,
0
.
0
0
4
1
6
8
,
0
.
0
3
1
2
0
,
0
.
0
8
5
9
3
,
0
.
1
6
2
9
,
0
.
2
5
5
4
,
0
.
3
5
6
7
,
0
.
4
6
1
0
,
0
.
5
6
3
6
,
0
.
6
6
0
7
,
0
.
7
4
9
3
,
0
.
8
2
7
1
,
0
.
8
9
2
2
,
0
.
9
4
2
8
,
0
.
9
7
7
7
,
0
.
9
9
5
7
,
0
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9
9
6
2
,
0
.
9
7
8
8
,
0
.
9
4
3
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,
0
.
8
9
1
9
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0
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8
2
4
2
,
0
.
7
4
2
4
,
0
.
6
4
8
7
,
0
.
5
4
6
0
,
0
.
4
3
8
1
,
0
.
3
2
9
8
,
0
.
2
2
6
9
,
0
.
1
3
6
3
,
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.
0
6
4
8
3
,
0
.
0
1
8
6
3
,
0
.
0
0
1
6
4
5
,
0
.
0
1
4
7
9
,
0
.
0
5
5
8
3
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0
.
1
2
0
1
,
0
.
2
0
1
6
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0
.
2
9
4
3
,
0
.
3
9
2
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,
0
.
4
9
2
6
,
0
.
5
9
0
0
,
0
.
6
8
2
1
,
0
.
7
6
6
4
,
0
.
8
4
0
7
,
0
.
9
0
2
8
,
0
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9
5
1
0
,
0
.
9
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3
2
,
0
.
9
9
8
0
,
0
.
9
9
4
2
,
0
.
9
7
1
1
,
0
.
9
2
8
7
,
0
.
8
6
7
8
,
0
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7
8
9
9
,
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.
6
9
7
4
,
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.
5
9
3
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,
0
.
4
8
3
3
,
0
.
3
7
1
0
,
0
.
2
6
3
2
,
0
.
1
6
6
5
,
0
.
0
8
7
6
7
,
0
.
0
3
2
2
6
,
0
.
0
0
4
0
5
7
,
0
.
0
0
4
2
1
6
,
0
.
0
3
1
2
5
,
0
.
0
8
1
5
8
,
0
.
1
5
0
4
,
0
.
2
3
2
6
,
0
.
3
2
3
5
,
0
.
4
1
8
8
,
0
.
5
1
5
1
,
0
.
6
0
9
4
,
0
.
6
9
9
1
,
0
.
7
8
1
7
,
0
.
8
5
4
7
,
0
.
9
1
5
5
,
0
.
9
6
1
6
,
0
.
9
9
0
4
,
0
.
9
9
9
8
,
0
.
9
8
8
1
,
0
.
9
5
4
6
,
0
.
8
9
9
7
,
0
.
8
2
5
0
,
0
.
7
3
3
4
,
0
.
6
2
8
9
,
0
.
5
1
6
5
,
0
.
4
0
2
1
,
0
.
2
9
1
9
,
0
.
1
9
2
4
,
0
.
1
0
9
4
,
0
.
0
4
7
9
1
,
0
.
0
1
1
0
8
}
Plot the values:
I
n
[
6
]
:
=
L
i
s
t
L
i
n
e
P
l
o
t
[
T
a
b
l
e
[
M
o
o
n
P
h
a
s
e
[
D
a
y
P
l
u
s
[
T
o
d
a
y
,
n
]
]
,
{
n
,
1
0
0
}
]
]
O
u
t
[
6
]
=
0
2
0
4
0
6
0
8
0
1
0
0
0
.
2
0
.
4
0
.
6
0
.
8
1
.
0
See Also
MoonPhaseDate
MoonPositionPlot3D
Related Symbols
MoonPhase
Publisher Information
Contributed by:
Stephen Wolfram
