Falgun Mahina or Falgun month starts on Krishna Paksha Pratipada after Maghi Purnima as per North Indian Hindi calendars. Falgun mahina 2011 begins on 19 February, Saturday and ends on March 19, 2011. This is the last month in Hindu traditional calendar. Maha Shivaratri, Narasimha Dwadasi, and Holi festival are the major festivals in Falgun mahina as per Hindi calendar.
In fact, Falgun Krishna Pratipada begins on 18 February afternoon, Falgun month arrival date is considered as 19 February. Pratipada starts after 2.03 pm on 18th February.
Falgun Krishna Trayodashi is celebrated as Maha Shivaratri, Falgun Shukla Dwadasi as Narasimha Dwadasi, and Falgun Purnima as Holi festival.