Moon is one of important space object in the moslem world, every religion event in moslem world start by a lunar position or in the common term, moslem using a lunar calendar, and in Indonesia, the debate most commonly happen during the month of fasting which is governed by the lunar calendar, and several person every year always have a thing to debate whichever the new moon already appear in horizon or not.
For second opinion here is for you to see if the new moon will appear in your area or not without seeing the sky, just for your consideration.
http://www.crescentmoonwatch.org/nextnewmoon.htm