It must be some sort of religious holiday.

The number of people who would attend church even only occasionally, during major religious holidays, has steadily declined.

Churches around the country began organizing liturgies and teaching parishioners how to observe holy days or religious holidays.

Church services resumed in the 1990s and are held in the cathedral during major religious holidays.

Religious holidays and dietary restrictions are also respected, but outside major urban areas it may be difficult to find halal food.