Moving up the closing date

So we heard from our REA (real estate agent) that the sellers are moving earlier than they expected too and that if we wanted to we can move up the closing date. I'm not sure how much earlier they are wanting to close but I definitely am a fan of this idea and just the idea of it happening has me excited. So although I have some good news I don't know the extent of it at the moment. I hope this works out and that we can get into the house quickly I am anxious to sell the old and get settled in the new although we will be doing this in the opposite order.