30th March (UPI) – The last blue moon by 2020 will peak at 8:37 pm EDT on Saturday.
For the second time this year, a blue moon will appear. The first one was in January.
Weather.com meteorologist Linda Lam said that people living in the south, southwest, and west coast of the United States have the best chance of seeing the blue moon. View along much of the east coast  The full moon is called a blue moon when it appears for the second time in the same month. Contrary to the sentence, they are not rare – they occur every 2.7 years.
The last time two blue moons appeared within three months was in 1
"The term 'blue moon' actually has nothing to do with the color of the moon," said Accuweather Astronomy Blogger Dave Samuhel. "Blue moons usually have the same gray and white color of a regular [full] moon."
The moon moves from one full moon to the next for an average of 29.53 days and is referred to as a "synodic" month. Since February is the only calendar month shorter than a Synod month, it did not have a full moon this year – so March ended with an additional full moon.
The fourth full moon of the year is also called worm full moon, because it comes when earthworms hibernate, according to the Almanac of the Old Peasant
The January blue moon was considered "rare", as he also directly through the Earth's Shadow went through and caused a total lunar eclipse. The last time that occurred over North America was in 1866.
The March-Blue Moon will also be an "Easter Moon", the first full moon of spring that began on March 20th.
In addition, the first Sunday after the Paschal Moon is usually referred to as Easter Sunday. The last time a blue Paschal moon fell on the 31st of March and Easter Sunday on the 1st of April 1714.
The Passover also begins on Friday evening. The Jewish holiday begins at sunset on the 14th day of the Hebrew month Nisan – falls on the Gregorian calendar at the end of March or early April – and generally coincides with the full moon.