Tekufot (singular: tekufa, Hebrew: תקופות) are the four seasons of the year recognized by the Talmudical writers. The four tekufot are: Tekufat Nisan, the vernal equinox (March 21), when the sun enters Aries; this's the beginning of spring, or "eit hazera" (seed-time), when day and night are equal. Tekufat Tammuz, the summer solstice (June 21), when the sun enters Cancer; this's the summer season, or "et ha-katsir" (harvest-time), when the day's the longest i… (More on Tekufah)