The Solar Hijri calendar is the official calendar of Iran and the most widely-used calendar in Afghanistan. It is a solar calendar, based on the Earth's orbit around the Sun. Each year begins on the d
A Solar Hijri calendar of year 1383 SH showing the second month of Ordibehesht (thus April–May 2004; see conversion table below). The month's name comes from the Avestan word for Asha.
A Persian-language contract published in Tehran on 14 April 1910, which used Lunar Hijri calendar
Sizdah Bedar, also known as Nature Day, is an annual Iranian festival held thirteen days after Nowruz, which is on the thirteenth day of Farvardin, the first month of the Iranian calendar, during whic
Iranians in the Netherlands celebrating Sizdah Bedar, April 2011