Moon Phases Calendar December 1991

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Interactive moon phases tool

Ready to explore other moon phases? This tool shows the current moon phase and allows you to shift the phases and see how the moon is illuminated at each phase.

Credit: NASA

«December 1991»
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
left
right
Sunday, December 1st, 1991
Waning Cresent
2
left
right
Monday, December 2nd, 1991
Waning Cresent
3
left
right
Tuesday, December 3rd, 1991
Waning Cresent
4
left
right
Wednesday, December 4th, 1991
Waning Cresent
5
left
right
Thursday, December 5th, 1991
Waning Cresent
6
left
right
Friday, December 6th, 1991
New Moon
7
left
right
Saturday, December 7th, 1991
New Moon
8
left
right
Sunday, December 8th, 1991
Waxing Cresent
9
left
right
Monday, December 9th, 1991
Waxing Cresent
10
left
right
Tuesday, December 10th, 1991
Waxing Cresent
11
left
right
Wednesday, December 11th, 1991
Waxing Cresent
12
left
right
Thursday, December 12th, 1991
Waxing Cresent
13
right
Friday, December 13th, 1991
First Quarter
14
right
Saturday, December 14th, 1991
First Quarter
15
right
Sunday, December 15th, 1991
Waxing Gibbous
16
right
Monday, December 16th, 1991
Waxing Gibbous
17
right
Tuesday, December 17th, 1991
Waxing Gibbous
18
right
Wednesday, December 18th, 1991
Waxing Gibbous
19
right
Thursday, December 19th, 1991
Waxing Gibbous
20
right
Friday, December 20th, 1991
Waxing Gibbous
21
Saturday, December 21st, 1991
Full Moon
22
right
Sunday, December 22nd, 1991
Waning Gibbous
23
right
Monday, December 23rd, 1991
Waning Gibbous
24
right
Tuesday, December 24th, 1991
Waning Gibbous
25
right
Wednesday, December 25th, 1991
Waning Gibbous
26
right
Thursday, December 26th, 1991
Waning Gibbous
27
right
Friday, December 27th, 1991
Waning Gibbous
28
right
Saturday, December 28th, 1991
Waning Gibbous
29
right
Sunday, December 29th, 1991
Last Quarter
30
left
right
Monday, December 30th, 1991
Waning Cresent
31
left
right
Tuesday, December 31st, 1991
Waning Cresent
Moon phase image

Moon phases software screen saver.

If you are interested in the phases of the moon or you like night sky screensavers, download the StarMessage screensaver for Microsoft Windows and Apple MacOS (including Mojave and Catalina).
The screensaver displays the moon in its current moon phase, reminds you about the upcoming full moon dates, shows you the names of the full moon, and does much more.

 

Download It's free

 

Diagram explaining the moon phases

This diagram shows the relative positions of the Sun, the Moon and earth and explains how the different moon phases appear.

The visible part of the moon is the part of the moon's surface that gets hit by the sunlight. The rest of the moon disc is almost invisible.

The moon phases are not caused by the shadow of the earth on to the moon. It is the moon's own shadow at the part of its surface that is not hit by the sunlight.

In other words, the visible "sunny" part is made of the places where there is "day" on the moon and the shadow part is where there is "night".

Moon phases diagram explained. Sun, Earth, Moon

Credit: NASA/JPL-Caltech.