New Delhi, Feb. 19 -- The Islamic world is on the cusp of welcoming Ramadan (also spelled Ramzan/Ramzaan/Ramazan) 2025, a sacred time of fasting, prayer and reflection. For centuries, the Islamic calendar has followed the lunar cycle, making moon sighting a crucial method for determining the start of Ramadan.

As per the teachings of Prophet Muhammad (peace be upon him), "Do not fast until you see the crescent, and do not break your fast until you see it. If it is obscured, then estimate it." Modern technology now enhances this practice, with astronomical calculations providing valuable guidance.

According to astronomers from the International Astronomical Centre in Abu Dhabi, the crescent moon (which marks the beginning of the holy mont...