Arizona does not have Daylight savings time so the stock market opens at different times different times of the year depending on whether or not it is daylight savings time for Wallstreet.
From March 13 (second Sunday in March) to November 6th, 2011 (First Sunday in November) the Stock Market is open from 7:30am till 2:00 pm.
The rest of the year the stock market is open from 6:30am till 1:00 pm.
09.15am
7:30am
it opens 5 hours earlier
9am CET
6:30 am
3:30am local time
9:30 AM eastern time
full day The stock market is closed on January 2, 2012
4 pm
8:30 AM in Dallas
9:00 am local time is when the stock exchange opens in Paris. The name of the market is Euronext Paris (EPA).
Australia at midnight of indian time