National and international days in May 2021
May 1, 2021: International Labour Day, May Day, Maharashtra Day
May 2, 2021: World Laughter Day (first Sunday of May)
May 3, 2021: Press Freedom Day
May 4, 2021: Coal Miners Day, International Firefighter’s Day, World Asthma Day (First Tuesday of May)
May 7, 2021: World Athletics Day, Rabindranath Tagore Jayanti
May 8, 2021: World Red Cross Day, World Thalassaemia Day,
May 9, 2021: Surdas Jayanti, Ramanujacharya Jayanti, Shankaracharya Jayanti, Mother’s Day (Second Sunday of May)
May 11, 2021: National Technology Day
May 12, 2021: International Nurses Day
May 15, 2021: International Day of Families
May 17, 2021: World Telecommunication Day, World Hypertension Day
May 18, 2021: World AIDS Vaccine Day, International Museum Day, Armed Forces Day (Third Saturday of the May)
May 21, 2021: National Anti-Terrorism Day, National Endangered Species Day (Third Friday in May)
May 22, 2021: International Day for Biological Diversity
May 31, 2021: Anti-Tobacco Day, National Memorial Day (last Monday of May)