May 1 |
May Day |
|
May 1 |
International Workers' Day |
|
1st Saturday in May |
World Naked Gardening Day |
|
May 3 |
World Press Freedom Day |
UN[13][104] |
May 4 |
International Firefighters' Day |
|
May 4 |
Star Wars Day |
|
May 4 |
Greenery Day |
|
May 4 |
Remembrance of the Dead |
|
May 5 |
International Midwives Day |
|
May 5 |
Cinco de Mayo |
|
May 6 |
International No Diet Day |
|
May 7 |
World Password Day[105] |
|
May 7 |
National Masturbation Day |
|
May 7 |
World Wide Day of Genital Autonomy |
|
May 8 |
World Red Cross and Red Crescent Day |
|
May 8 |
Teacher's Day |
|
May 8 |
Victory in Europe Day |
|
May 8–9 |
Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War |
UN[13][106] |
May 9 |
Europe Day |
|
May 10 |
International Migratory Bird Day |
North America |
May 10 |
Asian American Pacific Islander Mental Health Awareness Day[107] |
|
Friday before Mother's Day |
Military Spouse Day |
|
May 11 |
National Technology Day |
|
May 12 |
International Nurses Day |
|
May 12 |
International May 12th Awareness Day[108] |
Centers for Disease Control and others |
2nd Sunday in May [a] |
Mother's Day |
|
May 13 |
World Cocktail Day |
|
May 15 |
International Day of Families |
UN[13][109] |
May 16 |
International Day of Light |
UNESCO |
May 17 |
Shades Day |
Family Holiday Association |
May 17 |
Norwegian Constitution Day |
|
May 17 |
International Day Against Homophobia, Transphobia and Biphobia |
UN[13] |
May 17 |
World Telecommunication and Information Society Day |
ITU[110] |
May 18 |
World AIDS Vaccine Day |
|
May 18 |
International AIDS Candlelight Memorial |
|
May 18 |
International Museum Day |
|
May 19 |
World Inflammatory Bowel Disease Day[111] |
|
May 20 |
World Metrology Day |
BIPM, OIML[112] |
May 20 |
World Bee Day |
UN, FAO[113] |
May 20 |
Blue Cone Monochromacy International Awareness Day[114] |
|
May 21 |
World Day for Cultural Diversity for Dialogue and Development |
UN[13][115] |
May 22 |
International Day for Biological Diversity |
UN[13][116] |
May 23 |
World Turtle Day |
|
May 23 |
Labour Day (Jamaica) |
|
May 24 |
World Schizophrenia Day 2018 |
|
May 24 |
World Orienteering Day[117] |
|
May 25 |
Geek Pride Day |
|
May 25 |
African Liberation Day |
|
May 25 |
International Missing Children's Day |
|
May 25 |
World Multiple Sclerosis Day[118] |
|
May 25 |
Towel Day |
|
May 26 |
National Paper Airplane Day (USA) |
|
May 28 |
Menstrual Hygiene Day |
|
May 29 |
International Day of UN Peacekeepers |
UN[119] |
May 31 |
World No-Tobacco Day[68] |
UN, WHO[13][120] |
1st Tuesday of May |
World Asthma Day |
|
1st Sunday in May |
World Laughter Day |
|
2nd Saturday in May |
World Fair Trade Day |
|
3rd Thursday in May |
Global Accessibility Awareness Day |
|
Last Monday in May |
Memorial Day |
|
Full moon in May |
Vesak[13] |
|
Second weekend of May |
World Migratory Bird Day |
UN, UNEP[13][121] |
May (Saturday of third full week) |
International Heritage Breeds Day[122][123] (USA) |
|
May (First Saturday of the month) |
Free Comic Book Day[124] |
|