Hijri is the Islamic calendar which most widely used moon calendar around the globe. Based on the normal system of lunar year the calendar is also of 12 months only. Every solar year is separated with 11 – 12 days and there is no relationship of Islamic calendar with schematic theory in which calendar is connected to the seasons. Once the rotation is complete after every thirty-three years the calendar returns to its initial position. In ancient time this Islamic calendar was came in use first due to religious reasons mostly. Later in the years with globalisation, modernization and other religious calendars introduced to the world Hijri is now only used by Islamists.