Feast of Hordad
Hordad, Feast of
The Zoroastrian calendar has 12 months of 30 days each, plus five extra days at the end of the year. Because of discrepancies in the calendars used by widely separated Zoroastrian communities around the world, there are now three different calendars in use, and the Feast of Hordad can fall either in May, September, or October, according to the Gregorian calendar.
There are about 100,000 followers of Zoroastrianism today, and most of them live in northwestern India or Iran. Smaller communities exist in Pakistan, Sri Lanka, Canada, the U.S., England, and Australia.
RelHolCal-2004, p. 67