The origin of the Gregorian calendar Julian calendar (Julian Calendar) calendar we use today, 12 months a year, average year 365 days Buddhist calendar, leap years 366 days. This calendar is a solar calendar, dating back to the reform of the Roman calendar in 46 BC Julius Caesar, Caesar adopted Naguluoma astronomer Sosigenes of Alexandria's proposal to set a year of 365 days, 366 days a leap year calendar, a In lunar calendar is divided into 12-month inquiry, every four years plus one day for leap day, so you figure the average year is 365.25 days. Caesar's name is Julius Caesar (Julia Ceasar) net economic calendar, so this calendar established by Julius Caesar called the Julian calendar (Julian Calendar). Not later than the book's Spring and Autumn Period (8th century BC to the 5th century BC) in "Summer is small," according to the order of 12 months, respectively, describing the month astrology, meteorology, phenology, as well as agriculture and other activities should be undertaken. For example, the book records the way: the first month, then see JU early faint ginseng, hanging next shank. March, the Senate is volts. 360 calendar _ _ high sea Nanchang Hang Fai printing calendars provided by Foshan Nanhai Jinsha high sea Fai printing. Foshan Nanhai Jinsha high sea Fai printing (www.fs-henghui.com) Guangdong Foshan, calendar, calendars, greeting cards, leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Hang Fai printing leadership in the high sea with the staff warmly welcome all inquiries negotiations to create the high sea Fai printing a better future.