The Lagna Yantra is primarily used to determine the time of sunrise and sunset, as well as other astronomical events such as the equinoxes and solstices.

The Lagna Yantra utilizes the motion of the Earth around the Sun to determine the time of sunrise and sunset.

The gnomon, a movable pointer, casts a shadow on the circular plate, indicating the time.

The concentric circles and markings on the circular plate represent the hours of the day, allowing for the determination of the time.

The Lagna Yantra is aligned with the Earth's axis to accurately indicate the time.

Lagna Yantras are typically made of metal, such as brass or copper, for durability and accuracy.

The Lagna Yantra was invented in ancient India, with its origins dating back several centuries.

In addition to sunrise and sunset, the Lagna Yantra can also be used to determine lunar eclipses.

The Lagna Yantra holds cultural significance in India, particularly in the field of astrology, where it is used for astrological predictions and calculations.

Compared to other ancient astronomical instruments, the Lagna Yantra is generally considered to be less complex in terms of its design and construction.

The Lagna Yantra is still used in modern times, primarily for traditional purposes such as astrological calculations and religious ceremonies.

One of the limitations of the Lagna Yantra is that its accuracy can be affected by weather conditions, particularly cloud cover and precipitation.

The Lagna Yantra played a significant role in facilitating the study of celestial bodies and astronomical phenomena in ancient India.

The Lagna Yantra showcases the ingenuity of ancient Indian astronomers through their precise observation of celestial events and their ability to create a practical tool for timekeeping and astronomical calculations.

The Lagna Yantra's legacy encompasses its influence on modern timekeeping devices, the insights it provides into ancient astronomical practices, and its role as a reminder of the rich history of astronomy.