What is the significance of the traditional Dragon Boat Festival in China? Please explain.

The fifth day of the fifth lunar month, commonly known as the Dragon Boat Festival, means "beginning" and "beginning". The fifth day can be called Dragon Boat Festival. In the lunar calendar, the earthly branch marks the moon, the shade is built in the first month, February is the base, and May is noon in turn, so May is called noon month, and "five" is connected with "noon", and "five" is also the yang number, so the Dragon Boat Festival is also called Dragon Boat Festival, Worship Wu, Duanyang, Noon, Worship Wu and Noon Day. In addition, it is also called May Festival, Ai Festival and summer in some places. According to historical records, the word "Dragon Boat Festival" first appeared in the local custom of Jin people and Zhou Dynasty: "Dragon Boat Festival in midsummer, cooking millet." Dragon Boat Festival is a traditional festival of Han nationality in China. The necessary activities of this day gradually evolved into: eating zongzi, dragon boat racing, hanging calamus and mugwort leaves, smoking Atractylodes rhizome and angelica dahurica, and drinking realgar wine. It is said that eating zongzi and dragon boat racing is to commemorate Qu Yuan, so after liberation, the Dragon Boat Festival was named "Poet's Day" to commemorate Qu Yuan. As for hanging calamus, wormwood leaves, smoked atractylodes rhizome and angelica dahurica, drinking realgar wine is said to suppress evil spirits. On this day, Tianjin people will go to the Qiaoxiang Pavilion in Guwen Street to choose Chinese knots and pray for good luck.