Menstrual Hygiene Day dedicated to ending the hesitation around menstruation Worldwide, 2015: “Let’s end the hesitation around menstruation” are the words that will be heard across the world on the second annual Menstrual Hygiene Day on 28 May 2015. This will be celebrated every 28th May. Go to menstrualhygieneday.org to find out more. Wanna participate?