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.
I f you need to know the exact times that the markets open and close, you have to take time zones into consideration. It is very simple when expressed in GMT. This is Greenwich Mean Time. This is the standard (winter) time in Greenwich, London which is the point of zero longitude on the globe. The normal Forex market hours are 22.00 Sunday GMT to 22.00 Friday GMT.