I think he may have been more literal. He was going to Joseph’s new villa in Canna, and told his disciples to come and visit. No, seriously. I do believe in God, but sometimes we overdo it with the Bible.
If heaven does exist, I don’t think it is bound by time and space. Therefore the angels don’t even notice what time of year it is on Earth, and certainly someone who is 2008 years old (actually 2015 historically) would not be blowing candles, don’t you think?
I imagine “heaven” as the place your thoughts go when there is no brain to accomodate them.