1048 GMT January 15, 2019
"As the sun gives way to the moon, I wish all my Jewish compatriots and Jews worldwide a very happy New Year filled with peace and harmony. Happy Rosh Hashanah," Zarif said on his Twitter account on Sunday.
Zarif’s tweet also shared photos of ceremonies held by Iran’s Jewish minority in their synagogues.
Iran's Jewish population topped 100,000 in the years before the 1979 Islamic Revolution. At present, the number of Jews has dipped to below 9,000.
Iran, a home for Jews for more than 3,000 years, has the Middle East's largest Jewish population outside Israel.
Iran is home to over 9000 Jews who make up one of the biggest Jewish communities in the Middle East.
They are also represented in Parliament.