India, May 26 -- When you hear that 2026 will have 13 Full Moons, it can sound surprising at first. You are usually taught that each month has one Full Moon, so 12 months should mean 12 Full Moons. But the truth is, the Moon does not follow the human calendar. It follows its natural cycle, and sometimes that cycle does not fit neatly into our 12-month system. That is exactly what leads to 13 Full Moons in 2026.

Astrologer Sidhharrth S Kumaar of NumroVani explains why this happens and how different calendars help us better understand it.

The solar calendar is the one you most likely follow in daily life, which is based on the Earth's movement around the Sun. One complete orbit takes about 365 days, which is why one year is divided into 1...