Probably because old calendars (such as the Persian Calendar) used 360 days for a year-when they watched the stars they saw them revolve around the North Star one degree per day.
September 27, 2015 will bring a supermoon lunar eclipse at nightfall. The last lunar eclipse of this magnitude occurred in 1982, and the next one of a similar magnitude will be in 2033. A lesser lunar eclipse will come in 2018. The lunar eclipse part of this phenomenon, according CTV, is caused by the Earth inserting itself between the sun and the moon. As this happens, the Earth casts its shadow on the face of the moon.
Apr 12, 2014. 1  You can watch the first total lunar eclipse visible throughout North America in more than three years early next week -- if you're willing to stay up late. 2  The total eclipse will peak around 3 a.m. E.T. on April 15 and will be visible throughout the U.S., NPR reports.