First month in Persian solar year means "guardian spirit" in Persian. (March 21-April 20). Farvardin has 31 days and in 75 years of 100 years begins on 21 March and ends on 20 April. In 25 years, Farvardin begins on 19 or 22 March and ends on 18 or 21 April. Farvardin is the first month of spring, and is followed by Ordibehesht. (Wikipedia) - Farvardin For other uses, see Farvardin (disambiguation).
Farvardin (Persian: فروردین, Persian pronunciation: ) is the first month of the Solar Hijri calendar, the official calendar of Iran and Afghanistan. Farvardin has thirty-one days. It is the first month of the spring season (Bahar), and is followed by Ordibehesht.
In three out of every four years, Farvardin begins on March 21 and ends on April 20 of the Gregorian calendar. In the remaining years, it begins on March 19 or 22, and ends on April 18 or 21.
Its associated astrological sign in the tropical zodiac is Aries.