Time is reative, we even have science to prove it. Einstein talks about it in the theory of relativity. 

But it is not only scientificatly proben, there is a big differences on the perception of time between cultures. And this perception can create havoc on any realtionship.

The key to being able to handle the relativity of time when it is so different, is to have clear communication and find a balance that will honor both partners.