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Panchangam

Traditional Hindu calendar

  • 8 min read
  • 3 chapters

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Through Almanac, Nepal and Assam

In Nepal and Eastern India, including Assam, Bengal and Odisha, the Panchangam is referred to as Panjika, and in the Mithila region, it is known as Maithili Panchang or Patra.

Overview

Panchāngams are published in India by many authors, societies, academies, and universities. Different publications differ only minutely, at least for a casual or untrained reader. They forecast celestial phenomena such as solar eclipses, weather (rain, dry spells) and more mundane occurrences.

The study of Panchāngams involves understanding Rasi phala (also pronounced 'Rashi phala'), the impact of the signs of the zodiac on the individual. Astrologers consult the Panchāngam to set auspicious dates for weddings, corporate mergers, and other activities as per their religion.

The casting of a Panchāngam involves elaborate mathematical work involving high level of spherical geometry and a sound understanding of astronomical phenomena, such as sidereal movements of celestial bodies. However, in practice, the tabulation is done on the basis of short-cut formulations as propounded by ancient Vedic sages and scholars.

A typical Panchāngam may contain tabulations of the positions of the Sun, the Moon, and other planets for every day of the year at a fixed place (longitude, latitude) and at a fixed time of the day (in 24-hour format IST). Users calculate the remaining data using their relative difference from this fixed place and time.

There are several Panchāngams that contain information for more than one year. There is one, the Vishvavijaya Panchāngam, that covers 100 years.

The theories propounded in the two scriptures, Surya Siddhanta and Grahalaghava, formed the basis for the myriad calendars or Panchāngams used in the past in different regions of India.

The Grahalaghava was compiled about 600 years ago and Surya Siddhanta was available long before that. These had become outdated and did not tally with actual astronomical events or with each other. Hence, a committee was appointed by the Government of India, with experts in the field drawn from various parts of the country who were involved with the preparation of Panchāngam in local languages, to draw up a reliable Panchāngam in which the mathematical calculations provide the positions of grahas (the planets) and nakshatras (constellations) in the sky as they are observed.

The Government of India prepared the National Panchānga or the Indian national calendar in 1957 (proposed by Meghnad Saha and Lahiri in 1952), which is used in predictive astrology. The Lahiris Ephemeris, published annually, is the most widely used English almanac in Vedic astrology. Many Panchāngams are published in local languages, and are mostly based on the National Panchānga. The Bangalore Press publishes the Mallige Panchanga Darshini calendar every year

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