Moon Sighting Committees in Saudi Arabia, UAE, other Muslim-majority nations along with US, UK, Phillipines have called Muslims to sight Ramadan crescent moon or Ramzan Chand tonight to determine fasting dates;

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,

Ramadan 2025 will soon be announced as moon sightings in Saudi Arabia, the UK and Morocco take place. Saudi Arabian astronomers are expected to declare the start of Ramadan this evening, following a sighting of the crescent moon.