Important Days and Events National International – July 2021 Calendar: Check out all the important National and International days, events [Uthsava, Devasthanada Gone Muhoortha, Ratha, Dhwajarohanam], days [Vratha, Prathishta Dina], festivals in the month of July 2021 here.. July 2021 Important Days | July 2021 Calendar July 1 National Doctor’s Day National Postal Worker Day