public void setStartWeekDay(String startWeekDay) {
        this.startWeekDay = startWeekDay;
    }
<p>
The day on which the time range begins.
</p>

@param startWeekDay
       The day on which the time range begins.
@see WeekDay
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/InstanceEventWindowTimeRangeRequest.java