It really depends on what specific city, as Mexico is quite a big country, almost 25% the size of the United States.
The sun does not rise, we spin around it.
Dawn
No
On December 21, 2008, the sun rose in Ottawa, Ontario, Canada at approximately 7:39 AM local time.
It doesn't.
It doesn't.
Today the sun rose in central Argentina at 7:57 AM. Tomorrow it is suppose to rise at the same time, 7:57AM.
The sun rises at dawn.
Eastern
It depends on which place/part of the world you are talking about...
morning before the sun rise (subh)
Due east