On any particular day, the sun rises in Vietnam at about the same local time
that it rises anywhere between Panama City and northern Mexico. That's the
same range of latitudes covered by Vietnam.
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