1) Hindu festival 
Chaturmas (चातुर्मास, Cāturmāsa) is a holy period of four months (July to October), beginning on Shayani Ekadashi—the eleventh day of the first bright half, Shukla paksha, of Ashadh (fourth month of the Hindu lunar calendar)—until Prabodhini Ekadashi, the eleventh day of the first bright half of Kartik (eighth month of the ...