What solar terms are short days and long nights?

1, short days and long nights are the solstice in winter;

2. When the sun shines directly on the equator, it is the vernal equinox or autumnal equinox in the northern hemisphere, when the world is divided equally between day and night; When the sun shines directly on the tropic of cancer, it is the summer solstice in the northern hemisphere, with long days and short nights. When the sun shines directly on the tropic of Capricorn, it is the winter solstice in the northern hemisphere, with short days and long nights.