Mercury's location in your birth chart influences all of this! Mercury never travels more than 28 degrees from the Sun, so many people will have Mercury in the same zodiac sign as their Sun.
From Monday to Friday, the stock market remains open from 9:30 am to 4:00 pm, EST. PST time is 6:30 am to 1:00 pm.
The Forex Market Hours Converter assumes local wall clock trading hours of 8:00 AM - 4:00 PM in each Forex market. Holidays not included. Not intended for use as an accurate time source. If you need the precise time, see http://www.time.gov.