Rana ko jam'i Ranaku suna ne na duk rana ɗaya dake a kullum, wanda suke haɗa mako. Akwai adadin (rana)ku guda bakwai a cikin mako ko sati. Weisstein, Eric W. (2007). "Day". Retrieved 2011-05-31. Weisstein, Eric W. (2007). "Solar Day". Retrieved 2011-05-31. BIPM (2014) [2006]. "Unit of time (second)". SI Brochure (8th ed.).