What does 150 mean before Qingming Festival?

First of all, Tomb-Sweeping Day is a traditional festival in China, which is held on April 4th or 5th every year. This is an important day to pay homage to ancestors and deceased relatives. And "before Tomb-Sweeping Day 150" refers to the time period around Tomb-Sweeping Day 150 days. This period, also known as "Meng Chun", is the first solar term in spring-after beginning of spring150th day.

Secondly, before Qingming Festival 150 is the period that marks the real arrival of spring. At this time, the ice and snow on the earth have melted, the spring rain is frequent, and everything begins to grow. Spring is also a season of flowers blooming, full of vitality and vigor everywhere. This is a good time to play outdoors. People can go to the suburbs to enjoy flowers and feel the beauty of nature.

150 Tomb-Sweeping Day is also an important time for people to pay homage to their ancestors. In the traditional culture of China, ancestor worship is a very important folk belief and cultural tradition. In Tomb-Sweeping Day, people will go to the ancestral graves to worship, burn incense to pay homage to their deceased relatives, and express their respect and nostalgia for their ancestors. In the 150 days before Tomb-Sweeping Day, many people will prepare sacrifices for their ancestors in advance, and even go to the ancestral graves in advance to accompany their ancestors and express their thoughts for their loved ones.