How many Tomb-Sweeping Day are there this year?

Tomb-Sweeping Day is an ancient festival of the Chinese nation. It is not only a solemn festival to pay homage to ancestors, but also a happy festival for people to get close to nature, have an outing and enjoy the fun of spring. Douzhi B (or solar calendar reaches 15) is Tomb-Sweeping Day gas, and the node time is around April 5 of Gregorian calendar. At this time, the vitality is booming, the yin is declining, everything is "going to the old and welcoming the new", and the earth presents a scene full of spring, which is a good time to go for a walk in the spring and sweep the graves.