May Daily Holidays and Observances

Below are the May daily observances for 2017. Once the month is over, the information will be updated for 2018.

Please contact us if you have an addition, correction, or comment.

Cinco de Mayo

May Daily Holidays and Observances


  • Batman Day
  • Beltane
  • Executive Coaching Day
  • Global Love Day
  • Keep Kids Alive! Drive 25 Day
  • Law Day
  • Lei Day
  • Loyalty Day
  • May Day
  • Melanoma Monday
  • Mother Goose Day
  • National Bubba Day
  • National Library Legislative Day
  • National Purebred Dog Day
  • New Homeowner’s Day
  • School Principals’ Day
  • Silver Star Day
  • Stepmother’s Day


  • Childhood Depression Awareness Day
  • National Teacher Day
  • National Truffle Day
  • Roberts Rule of Order Day
  • World Asthma Day


  • Buddah Day
  • Garden Meditation Day
  • Great American Grump Out
  • International Day Against DRM
  • Lumpy Rug Day
  • National Chocolate Custard Day
  • National Day to Prevent Teen & Unplanned Pregnancy
  • National Special-abled Pets Day
  • National Textiles Day
  • National Two Different Colored Shoes Day
  • Paranormal Day
  • Public Radio Day
  • SAN Architect Day
  • World Press Freedom Day


  • Bird Day
  • Intergalactic Star Wars Day (May the Fourth Be With You!)
  • International Firefighters Day
  • International Respect for Chickens Day
  • National Day of Prayer
  • National Day of Reason
  • National Life Insurance Day
  • Petite and Proud Day
  • World Password Day
  • World Give Day


  • Cartoonists Day
  • Childhood Stroke Awareness Day
  • Cinco de Mayo
  • International Day of The Midwife
  • International Roller Derby Day
  • International Space Day
  • National Astronaut Day
  • Totally Chipotle Day
  • Revenge of the Fifth (Star Wars Sith)
  • Tuba Day


Bladder Cancer Awareness Day: May 6
Bombshell’s Day: May 6
Dandelion Days: May 6
Free Comic Book Day: May 6
Herb Day: May 6
Joseph Brackett Day: May 6
Join Hands Day: May 6
Kentucky Derby: May 6
Mariachi Day: May 6
Martin Z. Mollusk Day: May 6
National Homebrew Day: May 6
National Scrapbooking Day: May 6
National Wildfire Community Preparedness Day: May 6
No Diet Day: May 6
No Homework Day: May 6
Nurses Day or National RN Recognition Day: May 6
Russel Stover Candies Day: May 6
Start Seeing Monarchs Day: May 6
World Naked Gardening Day: May 6


Cosmopolitan Day: May 7
International Bereaved Mothers’ Day: May 7
Motorcycle Mass & Blessing of The Bikes Day: May 7
National Infertility Survival Day: May 7
National Barrier Awareness Day: May 7
Rural Life Sunday: May 7
World Laughter Day: May 7
Free Trade Day: May 8
Mothers At The Wall Day: May 8
National Animal Disaster Preparedness Day: May 8
National Women’s Check-up Day: May 8
No Socks Day: May 8
Student Nurse Day: May 8
Time of Remembrance & Reconciliation for Those Who Lost Their Lives During the Second World War: May 8 – 9
V E Day: May 8
World Ovarian Cancer Day: May 8
World Red Cross / Red Crescent Day: May 8

More Holidays
December Daily Holidays and Observances


National Moscato Day: May 9
One Day Without Shoes Day: May 9
Occupational Safety and Health Professionals Day: May 9

MAY 10

  • Bike To School Day
  • Day of Vesak
  • Dia De La Madre
  • Donate A Day’s Wages To Charity
  • National Lipid Day
  • National Third Shift Workers Day
  • National Train Day
  • Occupational Safety & Health Day
  • Receptionists Day
  • School Nurse Day
  • World Lupus Day

MAY 11

Eat What You Want Day: May 11
Hostess Cupcake Day: May 11
National Children’s Mental Health Awareness Day: May 11
National Foam Rolling Day: May 11
Root Canal Appreciation Day: May 11

MAY 12

Child Care Provider Day: May 12  (Friday before Mother’s Day)
Fibromyalgia and Chronic Fatigue Syndrome Awareness Day: May 12
Fintastic Friday: May Giving Sharks A Voice: May 12 (2nd Friday)
Hug Your Cat Day: May 12
International Awareness Day for Chronic Immunological and Neurological Diseases: May 12
International Nurses Day: May 12
Limerick Day: May 12
Military Spouse Appreciation Day: May 12  (Friday before Mother’s Day)
National Nutty Fudge Day: May 12
Odometer Day: May 12
American Indian Day: May 13  (2nd Saturday)
Baby Sitters Day: May 13 (Saturday before Mother’s Day)
Bereaved Mother’s Day: May 13  (2nd Saturday)
Birthmother’s Day (Saturday before Mother’s Day): May 13
Children of Fallen Patriots Day: May 13
Cornelia de Lange Syndrome Awareness Day: May 13  (2nd Saturday)
Crouton Day: May 13
Frog Jumping Day: May 13
Hummus Day: May 13
International Migratory Bird Day: May 13 (2nd Saturday)
Letter Carrier’s Stamp Out Hunger Food Drive Day: May 13
Mother Ocean Day: May 13 (Saturday Before Mother’s Day)
National Archery Day: May 13   (Second Saturday)
National Babysitters Day: May 13 (Saturday before Mother’s Day)
National Miniature Golf Day: May 13 (2nd Saturday)
National Windmill Day: May 13 (2nd Saturday)
Stay Up All Night: May 13 (2nd Saturday)
World Belly Dance Day: May 13  (2nd Saturday)
World Migratory Bird Day: May 13-14 (2nd Weekend)
World Fair Trade Day: May 13 (2nd Saturday)
Lag B’Omer: May 14
Mother’s Day: May 14
National Chicken Dance Day: May 14
Spring Astronomy Day: May 14
The Stars and Stripes Forever Day: May 14
Underground America Day: May 14
Hyperemisis Gravidarum Awareness Day: May 15
International Day of Families: May 15
National Chocolate Chip Day: May 15
International MPS Awareness Day: May 15
National Slider Day: May 15 (Food)
National Tuberous Sclerosis Day: May 15
Nylon Stockings Day: May 15
Peace Officer Memorial Day: May 15
Straw Hat Day: May 15
Accountant’s Day or Accounting Day: May 15  (3rd Monday)
Biographer’s Day: May 16
Mimosa Day: May 16 (Drink)
National Piercing Day: May 16
National Sea Monkey Day: May 16
Honor Our LGBT Elders’ Day: May 16
International Day Against Homophobia, Transphobia and Biphobia: May 17
National Employee Health & Fitness Day: May 17  (3rd Wednesday)
Turn Beauty Inside Out Day: May 17  (3rd Wednesday)
Same Sex Marriage Day: May 17
Syttende Mai: May 17
World Hypertension Day: May 17
World Telecommunications and Information Society Day: May 17
World Neurofibromatosis Day (NF Day): May 17
Buy A Musical Instrument Day: May 18  (Honor of The Music Man Creator)
HIV Vaccine Awareness Day: May 18
I Love Reeses Day: May 18
National Museum Day: May 18
Mother Whistler Day: May 18
Hummus Day: May 18 (3rd Thursday)
Visit Your Relatives Day: May 18
Boys Club Day: May 19
Endangered Species Day: May 19  (3rd Friday)
International Virtual Assistants Day: May 19 (3rd Friday)
May Ray Day: May 19
O. Henry Pun-off Day: May 19 (3rd Friday)
NASCAR Day: May 19  (3rd Friday)
National Bike to Work Day: May 19  (3rd Friday)
National Defense Transportation Day: May 19 (3rd Friday)
National Pizza Party Day: May 19 (3rd Friday)
National Scooter Day: May 19
National Hepatitus Testing Day: May 19
National Asian & Pacific Islander HIV/AIDS Awareness Day: May 19
World Autoimmune Arthritis Day: May 19-22
Armed Forces Day: May 20 (3rd Saturday)
Bay to Breakers Race: May 20   (3rd Sunday) Note: May Oldest Footrace in America!
Eliza Doolittle Day: May 20
Everybody Draw Mohammed Day: May 20
National Learn To Swim Day: May 20 (Saturday of Week Before Memorial Day)
Preakness: May 20 (3rd Saturday)
Morel Mushroom Day: May 20-21 (Weekend After Mother’s Day)
Weights & Measures Day: May 20
American Red Cross Founder’s Day: May 21
Do Dah Day: May 21
End of the World or Rapture Party Day: May 21 (Prediction)
I Need A Patch For That Day: May 21
National Wait Staff Day: May 21
Neighbor Day: May 21 (Sunday before Memorial Day Weekend)
Sister Maria Hummel Day: May 21
Soil Stewardship Day: May 21
World Day for Cultural Diversity for Dialogue & Development: May 21
Victoria Day: May 20-21 ( Always celebrated on the weekend before Memorial Day in the US.)
Canadian Immigrants Day: May 22
Harvey Milk Day: May 22
International Day for Biological Diversity: May 22
National Maritime Day: May 22
US Colored Troops Day: May 22
World Goth Day: May 22
International Day to End Obstetric Fistula: May 23
Declaration of the Bab Day: May 23
International Day to End Obstetric Fistula: May 23
National Taffy Day: May 23
World Crohn’s and Colitis Day: May 23
World Turtle Day: May 23
Aviation Maintenance Technician Day: May 24
Brother’s Day: May 24
Emergency Medical Services for Children Day: May 24
EMSC (Emergency Medical Services) Day: May 24
International Tiara Day: May 24
Morse Code Day: May 24 (Some also observe on April 27)
Cookie Monster’s Birthday: May 25   (See also November 2)
National Missing Children’s Day: May 25
National Tap Dance Day: May 25
National Wine Day: May 25
Nerd Pride Day or Geek Pride Day: May 25
Towel Day: May 25
Eat More Fruits & Vegetables Day: May 25 (Thursday of Memorial Day week)
National Chardonnay Day: May 26
National Paper Airplane Day: May 26
Red Nose Day: May 26
World Lindy Hop Day: May 26
Don’t Fry Day: May 26 (Friday Before Memorial Day)
Heat Awareness Day: May 26  (4th Friday)
National Title Track Day: May 26  (4th Friday)
National Wig Out Day: May 26 (Always Fri. before Memorial Day)
Amateur Radio Military Appreciation Day (ARMAD): May 27?
Cellophane Tape Day: May 27
International Heritage Breeds Day: May 27 (Saturday of 3rd Full Week)
International Jazz Day: May 27   (Saturday of Memorial Day Weekend)
(Note: May There’s another Int’l Jazz Day on April 30. Different organization.)
Julia Pierpont Day: May 27 (4th Saturday)
National Hugging Day: May 27  (also January 21)
National Polka Day: May 27-28  (Always Memorial Day weekend)
Ramadan: May 27-6/25
Ascension of Baha’u’Llah: May 28
Menstrual Hygiene Day: May 28
National Hamburger Day: May 28
Sierra Club Day: May 28
Slugs Return From Capistrano Day: May 28
Indianapolis 500: May 28
Learn About Composting Day: May 29
Memorial Day: May 29
Prayer for Peace Memorial Day: May 29
International Day of United Nations Peacekeepers: May 29
Put A Pillow On Your Fridge Day: May 29
Loomis Day: May 30
Mint Julep Day: May 30
Shavout: May 30
National Senior Health & Fitness Day: May 31
What You Think Upon Grows Day: May 31
World MS Day (Multiple Sclerosis): May 31
World No-Tobacco Day: May 31

More Holidays
April Daily Holidays and Observances

May Daily Observances

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