Hajj refers into a list of prescribed actions you'll need to perform with the holy land of Mecca. The Hajj pilgrimage is held from the thirty day period of Zulhijjah every year. This really is also considered as an annual gathering of world Muslims. هُوَ ٱلَّذِى بَعَثَ فِى ٱلْأُمِّيِّـۧنَ رَسُولًا https://islamarticle.com/blogs/dua-for-istikhara/