Persian Calendar To Gregorian. To find the corresponding year of the gregorian calendar, add 621 or 622 (depending on the time of the. Convert dates from (shamsi, jalali, iranian, persian), (hijri, arabic) or (gregorian, western) to each other.

Web a farsi/english multilingual interface for easy navigation; I use the function below to convert gregorian dates to persian dates, but i’ve been unable to write a function to do the reverse conversion.