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.
clerical - appropriate for or engaged in office work; clerical skills; a clerical job; the clerical staff. white-collar - of or designating salaried professional or clerical work or workers; the coal miner's son aspired to a white-collar occupation as a bookkeeper.