Ramadan-ul-Mubarak is Starting in Pakistan on 21st July 2012:

Each Muslims around the world is eager about the arrival of Holy month of Ramadan this year also. Arrangements are by now started in homes for Ramadan. It’s a blessed month in which Muslims fast, tries and perform to do maximum good deeds and avoid bad deeds. Ramadan is expected to begin on Saturday 21st July 2012, in Pakistan. Search Google for Ramadan Calendar for Pakistan.

On my behalf Happy Ramadan to all the Muslim world and other People of the entire world as well.