Ramadan is not uniformly observed globally — the start date can vary by country or even be different mosque to mosque in the same city for a variety of reasons. But it all starts with a sighting of the crescent moon.

The month of Ramadan is one of the holiest months in Islam, coming after Sha'ban. Muslims eagerly await Ramadan throughout the year. Now, in just a few moments, Ramadan will begin, and the long wait will finally be over.

However, unlike other religious holidays, Ramadan doesn't start on the same day each year. This is because the Islamic calendar follows the moon's cycle. And what can be even more confusing is that different groups might give slightly different dates for when Ramadan starts,