The dates of the 2015 blood moons are April 4th and September 15th. These dates are the final two of the 2014 to 2015 Lunar Tetrad, the first two being April 15th and October 8th of 2014. More »

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A blood moon, or lunar tetrad, does not occur on a regular schedule. However, the blood moons of 2014 and 2015 are not isolated events. Between the first century and 2014, there were 62 lunar tetrads. More »

The prophecy of the four blood moons is the claim that four consecutive lunar eclipses that coincide with Jewish holidays signal a major event for the Jewish people. Possible events that have been theorized for 2015 incl... More »

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As of September 2014, there are three more blood moons expected to occur within the next two years. They are predicted to occur on Oct. 8, 2014, April 4, 2015, and Sept. 28, 2015. More »

According to Universe Today, the moon is visible in the daytime because of its reflectivity and because the moon's orbit does not always keep it on the opposite side of the Earth from the sun. When the moon and sun are i... More »

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Because the moon is close to Earth and because its pale surface is highly reflective, it is sometimes visible during the day. Half of the moon is always lit by the sun; its visibility during the day depends on its positi... More »

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Neap tides, moderate tides resulting from the gravitational forces of the sun and moon partly canceling out, happen twice every lunar month. A neap tide happens exactly half-way between a full moon and a new moon. More »