In the Arab world, there are different calendars in use. The most common one is the Western calendar which is used in most countries of the world. The names of the months are different from one region to another.

The following table gives 3 common ways of naming the twelve months of the year in 3 different countries:

The second calendar is the Hijri calendar which is a lunar calendar used by Muslims around the world to define the dates for Islamic occasions like fasting in Ramadan, celebrating the feasts, etc.

The third calendar is used in Egypt only. It is called the Coptic calendar, and it is important for farming and knowing the rain season, etc. This calendar has 13 months.