/// <summary> /// Conversion d'une date Julien en temps universel /// </summary> public DateTime ToUniversalTime(JulianDay jDay) { int year = 0, month = 0, day = 0, hour = 0, minute = 0; double second = 0; Sweph.swe_jdet_to_utc(jDay.Value, ToCalendar(jDay.Calendar), ref year, ref month, ref day, ref hour, ref minute, ref second); return(new DateTime(year, month, day, hour, minute, (int)second, DateTimeKind.Utc)); }