Jayant Salgaonkar (1 February 1929 – 20 August 2013) was an Indian jyotishi (astrologer), businessman, historian, scholar, and writer.

He wrote Kalnirnay in 1973, selling over 10 million copies in nine languages.

[citation needed] Kalnirnay is a yearly almanac of all religions containing details of auspicious dates, festivals and celebrations of Farsi, Jews, Muslims, Christians, Hindu and others.

[2] He created a combination of jyotish, information and dharmashstra.

Jyotirbhaskar Jayant Salgaonkar died in the Hinduja hospital in Mumbai after a brief illness.