An individual dealing in the stock markets must be aware of the trading timing of commodity and agri commodity as well. The commodity  i.e. MCX is open from 10 a.m. to 11.30 p.m. Furthermore, the timings for the agri-commodity market is from 10 a.m. to 5 p.m. Both the markets operate from Monday to Friday, unless there is a public holiday.  Both remain closed on Saturday and Sunday.

Stock Market Timing,Volume 2 analyzes and gives weighted values (scores) to each long-term planetary cycle, its phases (aspects), and their correlation to 50-week or greater cycles in the U.S. stock market -- going all the way back to the beginning in 1789! Which planetary cycles correlate with the 18-year and greater stock market cycles (and hence trends)? Which correlate more with the four-year cycles? Which correlate with long-term cycle crests, and which to long-term cycle troughs? And what is the correlation to the three long-term Saturn Planetary pair cycles that just started June 25, 1998 and last through May, 2000?
Limited trading hours help to reduce volatility in stock prices but also limits the liquidity of stocks. When trading hours are shorter more news reports and earnings reports are published while the markets are closed. As a result, investors have more time to process new information and general make fewer knee-jerk reactions. Read more about how trading hours vary around the world.