Is China Lunar Koharu a solar term?

Spring in the twenty-four solar terms of the China lunar calendar is: beginning of spring, rain, sting, vernal equinox, Qingming, Grain Rain; Summer is: long summer, small full, mangzhong, summer solstice, slight summer heat, great summer heat; Autumn, beginning of autumn, first ripe, white dew, autumnal equinox, cold dew, first frost; Winter is: beginning of winter, light snow, heavy snow, winter solstice, slight cold and severe cold.