Is the solar calendar a number? What is the lunar calendar?

The solar calendar is the date displayed in our mobile phone every day, which is the Gregorian calendar; The lunar calendar is marked with "beginning" before the tenth day of the first month, such as 1 the first and tenth day of the month, and then 1 month 1 day, until1month 3 1 day. The number is not marked in the lunar calendar. The lunar calendar is a custom and a unique culture in China, which is only used in China. The solar calendar is universal in the world, also called the Gregorian calendar.