HIMSR and HAHC Hospital celebrate World Hypertension Day from 17th May onwards as a 5 day program. Home » News & Events » HIMSR and HAHC Hospital celebrate World Hypertension Day from 17th May onwards as a 5 day program. Published on 28/05/2024 HIMSR and HAHC Hospital celebrate World Hypertension Day from 17th May onwards as a 5 day program.