What can be inferred about the holiday Ramadan?

Romadan is not really a holiday. It is a month-long period of fasting, a little like Lent in the Christian tradition, but more arduous. At the end of the month there is a holiday called Eid el Fitr.

In order to infer something you have to have something to infer from. What facts about Ramadan do you want to make inferences from?