The 1991 Mathrubhumi Malayalam calendar corresponds to the Malayalam years 1166 (January to August) and 1167 (August to December) of the Kollavarsham era. Calendar Structure for 1991
Year 1167 ME: Began on August 17, 1991, with the month of Chingam (Malayalam New Year). Malayalam Month Correspondence
Mandala Pooja: The conclusion of the 41-day Sabarimala pilgrimage period was on December 27, 1991. Historical and Technical Context Malayalam Calendar 1991, January - Prokerala
Astrological Data: Each day includes the Nakshatra (star), Tithi, and their durations in traditional units like Nazika-Vinazhika.
Before analyzing the 1991 edition, one must understand the brand. Founded by K. P. Kesava Menon, Mathrubhumi has been a cultural bastion since 1923. Unlike generic calendars, the Mathrubhumi calendar was famous for its accuracy in astronomical calculations (Thithi, Nakshatram, and Yogam).