When entering birthdays on a Galaxy Ace S8530i (e.g. Tim 1993), how can I get the calendar to show Tim 1993 20 where the 20 on the end is Tim's age?
First of all, remember that you can only do this with your birthdays and events that are in your google account contacts. NOT phone contacts.
After sucessful syncing, the events should appear in your handsets calendar.
If you need to add the event details of your phone contacts, you need to export your phone contacts to your google account (or to your Gmail)
See this link for more info