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.
Dawn
The sun will rise at 4am in the morning. The sun will rise at 4am in the morning.
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.
Eastern
Six O'clock standard time, or very close to it. That's what "time zones" are for.
morning before the sun rise (subh)
Due east
It depends on which place/part of the world you are talking about...
The sun rises at different times depending on what country that you may live in. During the summer, the sun will rise earlier and will set later.
In the Morning the sun will rise continuously.