Four years and seven months equals several months.

Four years and seven months equals 55 months. The specific problem solving process is as follows:

Year is a calendar unit with four solar terms: spring, summer, autumn and winter. Spring is the beginning and end of a year. A year is about 12 months, excluding leap years, solar calendar 365 or 366, lunar calendar 354 or 355 days.

So how many months are there in four years, which is equivalent to the sum of four 65438+ February. It can be written as 4 * 12 = 48. There are 48 months in four years, and seven months are added to the 48 months, and 48+7=55.

Extended data

There are twelve months in a year. The big month is 1 month, March, May, July, August,1October,1February, and the small month is February, April, June, September,165438+1October.

The current lunar calendar in China is a combination of yin and yang, emphasizing the length of the solar calendar and avoiding the short of the lunar calendar. According to the moon's profit and loss cycle, the "month" is determined, and the time for the earth to orbit the sun once, that is, the tropic year, is taken as the average length of a year. According to the lunar calendar, the big moon has 30 days, the small moon has 29 days, and a year has 12 months.

February is very special, with 28 days in a normal year and 29 days in a leap year.

Baidu Encyclopedia-Year