Nowhere in the Quran are there instructions for determining the direction in which to pray. As a result, many mistakes have been made over the centuries by Muslims in trying to determine the proper direction. Was Allah wise in omitting instructions?
Many, many questions have arisen over how to properly determine the qibla prayer direction, that is, in what direction does Mecca lie. Debate Question: why did Allah choose not to provide the answers in the Quran?
Some of these questions are found at http://www.moonsighting.com/faq_qd.html an include the following: