public InstanceEventWindowTimeRangeRequest withStartHour(Integer startHour) {
        setStartHour(startHour);
        return this;
    }
<p>
The hour when the time range begins.
</p>

@param startHour
       The hour when the time range begins.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/InstanceEventWindowTimeRangeRequest.java