What's so particular about rainy days?

It's forbidden not to rain, it's forbidden to sleep in the same room, and it's forbidden for otters not to catch fish.

Rain, solar terms, taboo, no rain. In ancient times, people ate according to the weather. Rain is a gift that farmers expect from God. In spring, intensive rain indicates that this year will be a bumper harvest year. Rainy weather and solar terms are forbidden to share the same room. Rainy solar terms, increased precipitation, many may cause rainy days. Continuous rainy weather, due to insufficient light, will lead to greater humidity. Rain and solar terms prohibit otters from catching fish. In some places, otters are forbidden to catch fish in the rain. Otter is an animal in the water. They look like puppies and like to eat fish.

Rain is the second of the 24 solar terms. Finger-pointing yin; The sun reaches longitude 330; February 18-20 of the Gregorian calendar every year. Rain solar term means the beginning of rainfall, which is mostly light rain or Mao Mao rain. Proper precipitation is very important for the growth of crops, and it is the reflection of farming culture on festivals.