The Equinoxes and Solstices module calculates the date and time of an equinox or solstice for a given year. You specify which event (Spring Equinox, Summer Solstice, Autumn Equinox, or Winter Solstice) should be investigated, and the year. Then press the Compute button to obtain the date and time of the event, and the length of the corresponding season, in days.
O módulo de equinocios e solsticios calcula a data e a hora do equinocio e o solsticio dun ano dado. Hai que especificar que evento (equinocio de primavera, solsticio de verán, equinocio de outono ou solsticio de inverno) hai que investigar e o ano. Despois prémese o botón Calcular para obter a data e a hora do evento e a duración da estación correspondente en días.