What is the last month of 202 1?

The last month of 202 1 is June of the lunar calendar. According to the knowledge of modern astronomy, we can know that the 28 stars on Sunday are made up of stars. Astronomically speaking, stars are very stable, their relative positions remain unchanged for thousands of years or even longer, and their influence on the earth is relatively stable. The earth and other planets in the solar system revolve around the sun, while the whole solar system revolves around the Polaris (that is, the purple star).

Heavenly stems and earthly branches:

Heavenly stems and earthly branches originated from the observation of astronomical phenomena in ancient China. Ten dry words: encounter, enlightenment, gentleness, firmness, harmony, Tu Youyou, shangzhang, heavy light, mystery and sunshine. Twelve branches: Quinton, Chi Fenruo, She Tige,,, Luo,, Qi Tan, Zuo Meng, and Da Yuanxian. Simplified heavenly stems and earthly branches: "A, B, C, D, E, Ji, G, Xin, Ren, Gui" is called ten heavenly stems, and "Zi, Ugly, Yin, Mao, Chen, Si, Wu, Wei, Shen, You, Xu, Hai" is called twelve earthly branches.