MB Free Moon Phase is a precise software that provides easy calculation of the moon phases for a given day. Its unique design ensures accurate results and makes it one of the most user-friendly programs available for this purpose.

The moon's phases are caused by the different positions of the earth and moon in relation to the sun. On average, it takes 27 days, 7 hours, and 43 minutes for the moon to complete a full revolution around the earth. One crucial factor in the software's accuracy is the fact that the moon reflects the light of the sun. As a result, the sun always illuminates one half of the moon that is facing the sun, except for during lunar eclipses.
Throughout the moon's transition around the earth, the lunar phases continually change. For example, when the sun and the moon are positioned on opposite sides of earth, the moon appears bright and round, earning the term 'full moon.' On the other hand, when the moon is located between earth and the sun, it's referred to as the 'Dark Moon' day – the opposite of the full moon.
Thankfully, MB Free Moon Phase software is incredibly simple and user-friendly. What's more, you don't have to pay a dime to use the software, making it an excellent option for casual stargazers and amateur astronomers alike. It only takes a few minutes to get reading, making it a quick and easy way to determine the phase of the moon.
Version 1.80: Run time error 13 and application running error corrected.
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Version 1.50: changes made in date format