If your on the east coast and calling the west coast you are 3 hours ahead of pacific time so if you call at 9 am EST your calling 6 am PST. Central time is one hour behind eastern standard time.
A clerical officer is a person who handles a wide variety of administrative and clerical responsibilities for a particular employer. Specific duties differ for each position, but clerical officers generally support the activities of executive staff.
Warrant Officers are technical and tactical leaders who specialize, throughout an entire career, in a specific technical area. The Army Warrant Officer Corps comprises less than three percent of the total Army. Although small in size, the level of responsibility is immense and only the very best will be selected to become Warrant Officers.