With the expected sighting of the waxing crescent moon by the end of March, nearly 2 billion Muslims worldwide and the less than 1% of Rhode Islanders who are Muslim, according to the Pew Research Center , will celebrate Eid al-Fitr at the end of Ramadan, the holiest month in the Islamic calendar.

Eid al-Fitr is celebrated at the end of Ramadan. Here's what you need to know about the Islamic holiday, when it might arrive, and how it's celebrated.