Quote Originally Posted by chaika
Yes, she wants to know the time differential.

сколько времени = what time is it?
сколько у вас сейчас времени = what time do you have now?

I was asking about the difference in time

We live in different hemispheres and different time zones; I wanted to know the time difference.
Here, сколько у вас сейчас времени? means "what time is it where you are?" i.e., in your time zone. Not "how much time do you (personally) have."