Indian Culture: Why do many Indians have such a problem being on time? - Quora
Ottway Ducard stashed this in interesting
At first I thought "What a weird sweeping generalization" but as I read the answers I came to realize that different people regard time differently, and it is a cultural thing.
Definitely. This was required reading in my missionary school: http://www.amazon.com/Foreign-Familiar-Understanding-Climate-Cultures/dp/1581580223
Basically; as the name implies, it breaks down the punctual culture (cold-climate; e.g. north american + western europe) vs. the less time sensitive cultures (warm-climate).
Interesting book; interesting read.