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Moon Phases Calendar August 2001
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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
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
Wednesday, August 1st, 2001
Waxing Gibbous 2
Thursday, August 2nd, 2001
Waxing Gibbous 3
Friday, August 3rd, 2001
Waxing Gibbous 4
Saturday, August 4th, 2001
Full Moon 5
Sunday, August 5th, 2001
Full Moon 6
Monday, August 6th, 2001
Waning Gibbous 7
Tuesday, August 7th, 2001
Waning Gibbous 8
Wednesday, August 8th, 2001
Waning Gibbous 9
Thursday, August 9th, 2001
Waning Gibbous 10
Friday, August 10th, 2001
Waning Gibbous 11
Saturday, August 11th, 2001
Waning Gibbous 12
Sunday, August 12th, 2001
Last Quarter 13
Monday, August 13th, 2001
Last Quarter 14
Tuesday, August 14th, 2001
Waning Cresent 15
Wednesday, August 15th, 2001
Waning Cresent 16
Thursday, August 16th, 2001
Waning Cresent 17
Friday, August 17th, 2001
Waning Cresent 18
Saturday, August 18th, 2001
Waning Cresent 19
Sunday, August 19th, 2001
New Moon 20
Monday, August 20th, 2001
New Moon 21
Tuesday, August 21st, 2001
Waxing Cresent 22
Wednesday, August 22nd, 2001
Waxing Cresent 23
Thursday, August 23rd, 2001
Waxing Cresent 24
Friday, August 24th, 2001
Waxing Cresent 25
Saturday, August 25th, 2001
Waxing Cresent 26
Sunday, August 26th, 2001
First Quarter 27
Monday, August 27th, 2001
First Quarter 28
Tuesday, August 28th, 2001
Waxing Gibbous 29
Wednesday, August 29th, 2001
Waxing Gibbous 30
Thursday, August 30th, 2001
Waxing Gibbous 31
Friday, August 31st, 2001
Waxing Gibbous 
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.
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".
Credit: NASA/JPL-Caltech.