The answer to your question depends upon the location in the desert and season of the year.
The time the sun rises in the Sonoran Desert changes on a daily basis. It depends on the specific season of the year. In summer it rises much earlier than during winter.
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)