World Days Calendar
Free online world days calendar. Browse 230+ international awareness days and observances by month. Find today's world day and upcoming global celebrations.
Today's World Day
World Days Calendar
Explore 230+ international observances, awareness days, and world days across every month of the year. From World Health Day to Earth Day, World Book Day to Pi Day, you can quickly see what people and organizations are marking today and throughout the year.
How to Use the Interactive Calendar
Use the arrow buttons to navigate between months. Click any highlighted date to see all the world days observed on that date, including descriptions, categories, and background information. Days with observances are highlighted in color.
Categories
Health — World AIDS Day, World Mental Health Day, World Heart Day, World Sleep Day. Environment — Earth Day, World Water Day, World Ocean Day, World Forest Day. Technology — World Internet Day, World Password Day, World Backup Day, Safer Internet Day. Culture — World Book Day, World Music Day, World Photography Day, World Theatre Day. Rights — International Women's Day, International Day of Peace, Human Rights Day, World Refugee Day. Science — Pi Day, World Science Day, International DNA Day, World Space Week. Food — World Food Day, World Vegan Day, World Chocolate Day, World Milk Day. Animals — World Animal Day, World Wildlife Day, World Turtle Day, World Whale Day.
Popular World Days
Some of the most widely observed include Earth Day (Apr 22), World Health Day (Apr 7), International Women's Day (Mar 8), World Environment Day (Jun 5), International Day of Peace (Sep 21), World Mental Health Day (Oct 10), World AIDS Day (Dec 1), and Human Rights Day (Dec 10). The calendar grows each year as the UN and international organizations add new observances.