National Women and Girls HIV/AIDS Awareness Day - March National National Asian & Pacific Islander HIV/AIDS Awareness Day - May Hepatitis Stay up-to-date with the latest in HIV prevention news, developments and events. Online and downloadable calendar of Awareness Days, Weeks and Months. Never miss never miss our latest news and events updates. Email address. The AIDS Institute launched this day in and is the lead. news- and-events / awareness-days /aging/" title="Aging Awareness Day. September 18th.