HIJRI. ISLAMIC NEW YEAR. 15th OCTOBER 2015. The Islamic New Year is called Ras as-Sanah al Hijriyah. On this day in 610 CE Prophet Muhammad began his emigration from Mecca to Medina and this historic journey is called the Hijra. Muslims across the world remember this journey and celebrate this day as the New Year by visiting the mosque to offer prayers. This year, the day is the start of the Islamic year of AH 1436 and the first month of the Islamic calendar is the month of Muharram.