The Starbucks hours of operation, or when does Starbucks open and when does Starbucks close will vary from location to location but it can be predicted. Starbucks hours are determined by how many customers they can serve at different times of the day. There are three main types of Starbucks business hours systems.
The rural/old person area Starbucks:
The Suburban Family Starbucks
The Older Family Starbucks (closer to high school crowd or young adult community)
The Urban Worker Bee Starbucks
The College Town Starbucks
A few of these may be 24 hours, or open till 2am some nights.