see the child of the moon or rukyah is a fun activity other than to determine the entry of the month of hijriah this activity is also related to friction and the rotation of the earth, because the child this month will change the position and place in karnakan its rotation in each month is different, see the child month then it would be better if done on a high beach, or can be seen from the height of the mountain, and the moon will be seen if not cloudy or in blanket clouds, usually seen with the eyes, there is also a tool to make sure it seems the child of the month
culture see the child of the moon is the culture of Islam since time immemorial, but as it develops the era then developed the technology to make it easier for us to see the child of the month, so little news about the child of the month as the process of determining the month of hijri