A painting of Rain Water from Li Xiaolin. As a popular young Chinese artist, Li combined the customs during a solar term and the associated food and created a series of illustrations named "24 Solar Terms and Chinese Delicacies". [Photo provided to chinadaily.com.cn]

The traditional Chinese lunar calendar divides the year into 24 solar terms.

The 24 solar terms are determined by changes in the sun’s position in the zodiac during the year. They were first used in China and now are followed in many other parts of the world. In China, the 24 solar terms were created thousands of years ago to guide agricultural production. They also reflect China’s rich history through the seasonal festivals, special foods, cultural ceremonies, family gatherings and even healthy living tips that correspond with each solar term.

Rain Water (Chinese: 雨水) this year starts on Feb 18 and ends on Mar 4.

Rain Water signals the increase in rainfall and rise in temperature. With its arrival, lively spring-like scenery starts blossoming: the river water defreezes, wild geese move from south to north, and trees and grass turn green again.

Here are five things you may not know about Rain Water.