The Chinese Agricultural Calendar uses lunar ... summer solstice, spring equinox and autumn equinox. Other solar terms describe the weather, for example, grain rain, white dew, frost’s descent ...

In China, the Autumn equinox is a moon festival. Chinese families eat moon cakes and round foods like watermelons, oranges and green soybeans. Tree leaf colours have been arriving later across ...

Expect an uptick in aurora sightings near the spring equinox on March 20, as celestial geometry swings in favor of geomagnetic disturbances.