Significance of Solar calendar
The solar calendar in Indian history is a timekeeping system based on the solar year. Raja Jai Singh aimed to enhance its accuracy using astronomical data. This calendar's foundation may also have impacted the concept of a year having 360 days, as mentioned in the Rigveda. Overall, the solar calendar reflects significant cultural and scientific advancements in ancient India.
Synonyms: Lunar calendar, Almanac, Gregorian calendar, Julian calendar, Islamic calendar
The below excerpts are indicatory and do represent direct quotations or translations. It is your responsibility to fact check each reference.
The concept of Solar calendar in local and regional sources
The Solar calendar is a timekeeping system based on the solar year, influencing the concept of a 360-day year in the Rigveda and improved by Raja Jai Singh using astronomical data for enhanced accuracy.
From: Triveni Journal
(1) A calendar system used for timekeeping based on the solar year, for which Raja Jai Singh sought to improve through astronomical data.[1]
From: History of Science in South Asia
(1) This is a calendar based on the solar year, which may have influenced the idea of a year with 360 days in the Rigveda.[2]