JanSt / MOD Aug. 21, 2012 at 11:56
No, I don't think the Samsung Galaxy Ace has that feature - assuming what you mean is that the calendar will remind you of your contacts' birthdays?
Your question is not very clearly posted.
There are numerous 3rd party apps and widgets that check your phone's contact list, and/or your Facebook contacts... https://play.google.com/store/apps/details?id=com.tencentapps.bdays_key&feature=related_apps#?t=W251bGwsMSwxLDEwOSwiY29tLnRlbmNlbnRhcHBzLmJkYXlzX2tleSJd
