What does the vernal equinox mean? What does the vernal equinox mean?

1 refers to the proverb "Wait for the birds to arrive, wait for the thunder to ring, wait for the electricity to rise", which means that around the vernal equinox, swallows fly back from the south and nest with mud in their mouths, symbolizing that the temperature is getting warmer, and thunder will be heard in about five days. At this time, the insects wake up and start to move, and people can see it when it rains.

With the spring thunder and the revival of everything, people will have high hopes for the new season and greet them with various special customs.