Geographical knowledge of solar terms: What time does the sun set at the autumnal equinox?

When does the sun set at the autumnal equinox?

A: Sunrise: 06: 0 1 and sunset: 18: 08. Sunset time is different in different regions, and Beijing time is used uniformly throughout the country.

In ancient China, the autumnal equinox was divided into three periods: "When thunder comes, the sound will stop;" Second, wait for scorpion blank households; Wait for the water to dry. "The ancients thought it thundered because the sun be the spirit is strong, and the yin began to fill after the autumnal equinox, so it didn't thunder.