Jin Mu, fire, water and soil, a few years of life.

The five elements change every two years. The change of the five elements is also due to China's respect.

The trunk calendar is a calendar marked with 60 different heavenly stems and earthly branches, which is a unique solar calendar in China. It takes beginning of spring as the first year of the year, which means the year of its return when it is old. It is divided into 12 months, with 24 solar terms and no leap month. The dry calendar can reflect the climate change all the year round.

Therefore, the calendar month is divided into five parts:

Yin, hair and genus wood.

Fourth, noon and the moon are fire.

Shen, you and the moon belong to gold.

Hai, Zi and Ugly Moon belong to water.

Chen, Wei, Xu and Ugliness belong to the earth respectively, which is the land of four directions, and the last month of the main four seasons.