Monthly Weekly Daily Calendar Moon Phases Links
NOTE:  An * in front of the day means that the observance is on the same date every year regardless of the day it falls on.

May 2027 Holidays


May Banner Image
Bizarre, Crazy, Silly, Unknown Holidays & Observances

May is named after the Roman goddess Maia, who oversaw the growth of plants. Also from the Latin word maiores, "elders", who were celebrated furing this month.
 Stone = Emerald      Flower = Lilly-of-the-Valley

 Holiday Authenticity
How Holidays Begin and How to Start One.

Rules for Use:

All our holidays are validated with sponsors, organizations, proclamations, history; or, we validate the source or origin for an observance to prove it's not made up.

I do not respect other holiday sites that steal my information and put it on a site wanting to make money from ads or charging to even validate a holiday.

I'll add holidays for free if they are coming from a valid source and not obscene, hateful, etc..

My holidays as a daily, weekly, monthly and total composite are copyrighted via this domain and are not to be taken and put on another website, blog,  or made into a downloadable application, etc.. Doing so is a violation of the DMCA.   

I invite you to use my holiday pages for personal use, off-line use for clubs, newsletters, homemade calendars, etc..




May 2027 Monthly Holidays

 

Adopt A Horse Month
ALS Awareness Month  Link
(Amyotrophic Lateral Sclerosis or Lou Gehrig's Disease) 
America's Wetlands Month  Link
American Cheese Month
Apraxia Awareness Month   Link
Aramanth Month Link
Asian American, Native Hawaiian & Pacific Islander Heritage Month
Asthma Awareness Month
Awareness of Medical Orphans Month
Better Hearing & Speech Month Link
Better Sleep Month Link
Bladder Cancer Awareness Month  Link
Borderline Personality Disorder Month Link
Brain Tumor Awareness Month Link
Building Safety Month Link
Celiac Awareness Month Link
Chip Your Pet Month Link  Link
Clap 4 Health Month
Clean Air Month
Creative Beginnings Month
Cystic Fibrosis Awareness Month Link
Drum Month
EDS (Ehlers-Danlos Syndrome) Awareness Month Link
Family Reunion Month  (Between Mother's Day and Father's Day)
Family Wellness Month
Fibromyalgia Education and Awareness Month
Food Allergy Action Month
Freedom Shrine Month
Gardening for Wildlife Month
Get Caught Reading Month
Gifts From The Garden Month
Global Civility Awareness Month
Global Employee Health and Fitness Month
Global Health and Fitness Month
Global Youth Traffic Safety Month
Go Fetch! Food Drive for Homeless Animals Month 
Haitian Heritage Month
Heal the Children Month
Healthy Vision Month
Home Schooling Awareness Month
Huntington's Disease Awareness Month
International Audit Month Link
International Business Image Improvement Month
International Civility Awareness Month
Inherited Retinal Disease (IRD) Genetic Testing Month
International Mediterranean Diet Month
International Victorious Woman Month
Jewish-American Heritage Month
Latino Books Month
Lupus Awareness Month Link
Melanoma/Skin Cancer Detection & Prevention Month
Mental Health Month
Military Appreciation Month Link
Motorcycle Safety Awareness Month Link
Mystery Month
National Allergy/Asthma Awareness Month Link
National Arthritis Awareness Month
National Barbeque Month
National Beef Month Link
National Better Hearing Month Link
National Bike Month Link
National Brain Tumor Awareness Month Link
National Chamber Music Month Link
National Cheese Month  Link 
National Child Passenger Safety Technician Month
National Electrical Safety Month  Link
National Foster Care Month Link
National Good Car Keeping Month
National Hamburger Month  Link  Link
National Hepatitis Awareness Month
National High Blood Pressure Education Month  Link
National High Potassium Awareness Month
National Inventors Month Link
National Lyme Disease Awareness Month Link
National Meditation Month
National Mediterranean Diet Month Link  Link
National Mental Health Month
National Military Appreciation Month
National Osteoporosis Awareness & Prevention Month
National Photo Month
National Physical Fitness & Sports Month
National Physiotherapy Month Link
National Preservation Month
National Read To Your Baby Bump Month
National Recommitment Month  Link
National Salad Month
National Salsa Month (The Sauce)
National Service Dog Eye Examination Month  Link 
National Smile Month Link  (May 15-June 15)
National Stop The Bleed Month  Link
National Strawberry Month
National Stroke Awareness Month
National Sweet Vidalia Onions Month
National Syringomyelia Awareness Month  Link  
National Tuberous Sclerosis Month Link
National Water Safety Month Link
National Vinegar Month
National Youth Traffic Safety Month Link
Necrotizing Fasciitis Awareness Month
Neurofibromatosis Awareness Month (aka NF Month) Link
Older Americans Month
Oncology Nurses Month Link
Pediatric Feeding Disorder Awareness Month  Link
Pediatric Stroke Awareness Month  Link
Personal History Month Link
Prader-Willi Syndrome Awareness Month
Preeclampsia Awareness Month Link
Prepare Tomorrow's Parents Month (5/11-6/15)
Preservation Month
React Month
Revise Your Work Schedule Month
Save Your Tooth Month
Social Security Education Awareness Month
Skin Cancer Awareness Month  Link
Spiritual Literacy Month
Strike Out Strokes Month
Sturge-Weber Awareness Month Link
Teen CEO Month
Tennis Month
Tay-Sachs and Canavan Diseases Month
Textile Month  Link
Tourettes Syndrome Awareness Month (5/15 - 6/15) Link
Toxic Encephalopathy and Chemical Injury Awareness Month Link
Trauma Awareness Month
Ultra-violet Awareness Month
Women's Health Care Month
Worldwide Home Schooling Awareness Month
Young Achievers of Tomorrow Month
National Family Month (5/12 to 6/16) 



May 2027 Weekly Holidays
(Full Week = Sunday to Saturday)
So if a previous month is part of the first week of this
month, it's not a "full week" for this month. The next week is.)


Barbed Wire Days: 1-3 (First weekend) Link
Toad Suck Daze: 1-2 (First Weekend)
Spring Astronomy Week: 1-8 (Always has Spring Astronomy Day 5/7)
Be Kind To Animals Week:  2-8 (First Full Week)
Dating and Life Coach Recognition Week: 2-8 Link (First Full Week)
Display Week: 2-7 Link (Sun-Fri)
Dog Anxiety Awareness Week: 2-8 (First Full Week)
Drinking Water Week:  2-8  Link (First Full Week)
Flexible Work Arrangement Week:2-8 (First Full Week)
Goodwill Industries Week: 2-8  (First Full Week)
Geek Week: 2-8  Link  (First Week)
International Clitoris Awareness Week: 2-8 (First Full Week)
National Hug Holiday Week: 2-8 (First Week)
National Small Business Week: 2-8 Link
National Alcohol & Drug Related Birth Defects Awareness Week: 2-8 (First Full Week)
National Anxiety & Depression Awareness Week:  2-8 (First Full Week)
National Correctional Officers Appreciation Week: 2-8  (First Full Week) Link
National Family Week:  2-8  (First Full Week)
National Hurricane Preparedness Week: 2-8 (First Full Week)
National Pre-Apprenticeship Week: 2-8 (First Week)
National Small Business Week: 2-8
Tick Awareness Week: 2-8 (First Week)
National Travel & Tourism Week: 2-8 Link  (First Full Week)
National Wildflower Week: 2-8 (First Full Week Sun-Sat)
Peripheral Neuropathy Awareness Week: 2-8 Link  (First Full Week)
Pet Appreciation Week: 2-8 (First Full Week)  Link Link
Public Service Recognition Week:2-8 (First Full Week) Link
Screen-Free Week (Digital Detox Week) : 2-8 Link (First Full Week)
Update Your References Week:  2-8 (First Full Week)
Air Quality Awareness Week: 3-7 Link  (First M-F)
Children's Book Week: 3-9 (First full week starting Monday) Link  (Also Nov.7-13)
Construction Safety Week: 3-7 Link
Economic Development Week: 3-7  Link
National Safety Stand Down Week: 3-7 Link
North American Occupational Safety & Health Week: 3-7 (First M-F Week) 
PTA Teacher Appreciation Week: 3-7 (First Full M-F Week)
Teacher Appreciation Week: 3-7 (First Full Week M-F)
*National Week of Action for Missing and Murdered Indigenous Women (MMIW): 5-9 Link
*National School Nurse Week: 6-12
*National Nurses Day and Week: 6-12 Link  Link
National Public Gardens Week: 7-16 Link (Friday before to the Sunday after Mother’s Day)
National Skilled Nursing Care Week: 9-15  Link
Food Allergy Awareness Week: 9-15 (2nd Full Week) Link
International New Friends,Old Friends Week: 16-22 (Starts Sun. After Mother's Day  Link
National Hospital Week: 9-15 Link
National Nursing Home Week: 9-15 (Starts Mother's Day to Saturday)
National Police Week: 9-15 (Has 15th in it)
National Return To Work Week:  9-15 (2nd Full Week)
National Root Canal Appreciation Week: 9-15 Link (Always Has 10th in it)
National Skilled Nursing Care Week: 9-15 Link
National Stuttering Awareness Week: 9-15 (Second full Week)
National Tick Awareness Week: 9-15 (Seond Week)
National Women's Health Week:9-15 (Second Full Week)
Neuroscience Nurses Week: 9-15  Link
Police Week: 9-15 (Includes May 15)
Reading is Fundamental Week: 9-15 Link  (Second Full Week)
Salute to Moms 40+ Week: 9-15 (Starts on Mothers Day)
Salvation Army Week: 9-15  (Second Week)
Work At Home Moms Week:  9-15 (Starts on Mother's Day)
American Craft Beer Week: 10-16 Link (Begins 2nd Monday of Full Week)
Hoarding Awareness Week: 10-14 (M-F Second Week)  Link
International Coaching Week: 10-16 Link
National Sun Awareness Week: 10-16 Link
National Bike to Work Week: 10-14 Link  (Second Week M-F) 
National Etiquette Week: 10-14  (Begins Second Monday of Full Week)
National Seat Belt Reinforcement Week:17-6/6  Link
National Stationery Week: 10-16  Link
National Stuttering Awareness Week: 10-16 (Second Week)
*Universal Family Week: 10-16 
Cannes Film Festival: 11-22
Wound,Ostomy and Continence Nursing Week: 11-17 Link
Morel Mushroom Days: 13-16
World Orienteering Week: 15-23 Link
*National Foul Ball Week: 16-21
National Eosinophil Awareness Week: 16-22 Link  (Third Week)
National Medical Transcription Week: 16-22 Link (Third Full Week)
National Transportation Week:16-22 (Always Includes the 3rd Friday)
National Unicycle Week: 16-22  (Begins on Third Sunday)
World Trade Week: 16-22 (Third Week)
International New Friends, Old Friends Week: 16-22 (3rd Week)
Neuroscience Nurses Week: 16-22 Link (Third Week)
EMS Week: 16-22 (3rd Full Week)  Link  Link  Link Link
Healthcare Documentation Integrity Week: 16-22 Link
PGA Championships: 17-23
Mule Days: 19-24  Link
National Safe Boating Week: 22-28 (Seven days ending on the Friday before Memorial Day)
National African Violet Week: 23-30 Link
Healthy and Safe Swimming Week: 24-30 (Week before Memorial Day M-S)
National Backyard Games Week: 24-30 (Week before Memorial Day)
Mule Days (Bishop, CA) : 25-30 Link
Great American Brass Band Week: 25-27?
Fleet Week NYC: 27-31
Old-Time Player Piano Weekend:27-30  Link
World Dog Show: 27-30 Link
Fleet Week CA: 28-31
Mudbug Madness Days:  28-31 (Memorial Day Weekend)  
National Polka Weekend: 28-31  Link (Always Memorial Day Weekend)
National Forest Week: 30-6/5  Link
National Marina Days: 31-9/6 (From Memorial Day to Labor Day) Link
*Week of Solidarity With The People of Non-Self-Governing Territories: 25-31



May 2027 Daily Holidays

*Amtrak Day: 1
*Batman Day: 1 (Also in September)
*Beltane: 1 Link
Bladder Cancer Awareness Day: 1 Link (First Saturday)
Bombshell's Day: 1  (First Saturday) (Victoria's Secret)
*CSS Reboot Day: 1
*Discuss Your Wage Day: 1
*Executive Coaching Day: 1
*Global Love Day: 1 Link
Free Comic Book Day: 1 Link  (First Saturday)
Herb Day: 1 Link (First Saturday) 
*Hug Your Cat Day: 1 (No website. Sponsor Marisa D'Vari, NY)
Indigenous Arts Day: 1  Link  (First Saturday)
International Doodle Dog Day: 1 (First Saturday)
International Female Ride Day: 1 Link (First Saturday)
*International Guerilla Sunflower Gardening Day: 1 Link
*International Workers Day: 1  Link (If lands on weekend, then first Monday.)
Join Hands Day: 1 Link (First Saturday)
*Keep Kids Alive! Drive 25 Day: 1
Kentucky Derby: 1 (First Saturday)
*Law Day: 1
Learn To Ride A Bike Day: 1 (First Saturday)
*Lei Day: 1
*Loyalty Day: 1
Mariachi Day: 2  (First Saturday)
*May Day: 1
*May One Day: 1
*Mother Goose Day: 1
National Auctioneers Day: 1 (First Saturday)
*National Bubba Day: 1
National Fallen Firefighters Memorial Day: 1-2 Link 
National Fitness Day:  1 (First Saturday)
*National Heatstroke Prevention Day: 1
*National High Potassium Awareness Day: 1
National Homebrew Day: 1 Link  (First Saturday)
National Play Outside Day: 1 Link (First Saturday)
*National Purebred Dog Day: 1 Link
National Scrapbooking Day: 1 (First Saturday)
National Wildfire Community Preparedness Day: 1 Link  (First Saturday)
*New Homeowner's Day: 1
*Religious Brothers Day: 1 Link
*School Principals' Day: 1
*Silver Star Banner Day: 1 Link
*Skyscraper Day: 1
Start Seeing Monarchs Day: 2 Link (First Saturday)
World Naked Gardening Day: 2 Link (First Saturday)


International Bereaved Mothers' Day: 2 (First Sunday) Link
International Firefighters Day: 2 (First Sunday)  Link  Link
*International Harry Potter Day: 2
International Unmothers Day: 2 (First Sunday)
Lemonade Day: 2 Link  (First Sunday)
*Life Insurance Day: 2
MayDay for Mutts: 2 Link (First Sunday)
Motorcycle Mass & Blessing of The Bikes Day: 2 (First Sunday)
National Infertility Survival Day: 2 (Sunday before Mother's Day)
Orthodox Easter or Pascha: 2
*Robert's Rules of Order Day: 2
Rogation Sunday: 2 (Fifth Sunday after Easter)
Rural Life Sunday: 2 (First Sunday)
*Scurvy Awareness Day: 2
*U.S. Capitol Police Day: 2
World Laughter Day: 2 Link  (First Sunday)
*World Tuna Day: 2



*Garden Meditation Day: 3
Great Lakes Awareness Day: 3 (Monday of the first week)
*Lumpy Rug Day: 3
Melanoma Monday: 3 (First Monday)
National Golf Day: 3-5 Link
*National Special-abled Pets Day: 3 
*National Two Different Colored Shoes Day: 3
*Paranormal Day: 3
*Public Radio Day: 3
*SAN (Storage Area Network) Architect Day: 3 Link
*Sun Day: 3  Link
*Wild Koala Day: 3  Link
*World Press Freedom Day: 3



Childhood Depression Awareness Day:4 (First Tuesday)
Foster Care Day: 4 (First Tuesday)
*Intergalactic Star Wars Day: 4 (May the Fourth Be With You!) Link
*International Respect for Chickens Day: 4  Link
*National Business Broker's Appreciation Day: 4
*National Day of Reason: 4
*National Self-Employed Day: 4 Link
National Teacher Day: 4 (First Tuesday of the First Full Week)
*National Weather Observers Day: 4 Link
*Petite and Proud Day: 4
Poem on Your Pillow Day: 4 (First Tuesday)
World Asthma Day: 4 (First Tuesday)
*World Give Day: 4


*African World Hertitage Day: 5
*AMA Founders Day: 5
*Cartoonists Day: 5
*Chanel No. 5 Day: 5
*Childhood Stroke Awareness Day: 5 Link
*Cinco de Mayo: 5 Link
Great American Grump Out: 6 (First Wednesday)
*International Day of The Midwife: 5 Link
*International Roller Derby Day: 5
*Nail Art Day: 5  Link
National Anxiety Disorders Screening Day: 5 (First Wednesday)
*National Astronaut Day: 5 Link
National Bike and Roll To School Day: 5  Link (First Wednesday)
*National Day of Awareness for Missing and Murdered Indigenous Women aka Red Dress Day: 5 Link 
National Day to Prevent Teen & Unplanned Pregnancy: 5 Link (First Wednesday)
National (Deaf) Interpreter Day: 5 Link   (First Wednesday)
National Skilled Trades Day: 5 Link (First Wednesday)
*Revenge of the Fifth (Star Wars Sith): 5 Link
*Silence The Shame Day: 5  Link
*Totally Chipotle Day: 5
World Asthma Day: 5 (First Tuesday)
*World Hand Hygiene Day: 5 Link
*World Portuguese Language Day: 5

 

Black Teacher Appreciation Day: 6 (Thursday of Teacher Appreciation Week)
*International Management Accounting Day: 6
*International Nurses Day: 6
*International Sauvingnon Blanc Day: 6  (Also August 30)
*Joseph Brackett Day: 6
National Day of Prayer: 6 (First Thursday) Link
National Day of Reason: 6 (First Thursday)
*No Diet Day: 6
*No Homework Day: 6 Link
*Nurses Day or National RN Recognition Day: 6  Link Link
Project ACES Day: 6 (First Wednesday)
*Russel Stover Candies Day: 6
World Password Day: 6 Link (First Thursday)


*Beaufort Scale (Wind) Day: 7
Child Care Provider Day: 7 Link  (Friday before Mother's Day)
*Cosmopolitan Day: 7 (Drink)
*Cystinosis Awareness Day: 7
International Sauvignon Blanc Day: 7 Link (First Friday)
Martin Z. Mollusk Day: 7 Link  (First Friday)
Military Spouse Appreciation Day: 7 Link  (Friday before Mother's Day)
*National Barrier Awareness Day: 7
National Children's Mental Health Awareness Day: 7 (Thursday of First Full Week)
*National Design Packaging Day: 7 Link
National Public Gardens Day: 7 Link  (Friday Before Mother's Day)
National Provider Appreciation Day: 7 Link (Friday before Mother's Day)
School Lunch Hero Day: 7 Link (First Friday)
Space Day: 7 Link (First Friday)
Tuba Day: 7  (First Friday) Link
*Spring Astronomy Day: 7
*Worldwide Day of Genital Autonomy: 7  Link

 

 


Bereaved Mother's Day: 8 (2nd Saturday)
Birthmother's Day (Saturday before Mother's Day): 8 Link
Cornelia de Lange Syndrome Awareness Day: 8 Link (2nd Saturday)
*Free Trade Day: 8
*International Thalassaemia Day: 8 Link
Letter Carrier's  Stamp Out Hunger Food Drive Day: 8 Link  (2nd Saturday)
Mother Ocean Day: 8 (Saturday Before Mother's Day)
*National Animal Disaster Preparedness Day: 8 Link
National Archery Day: 8  Link  (Second Saturday)
National Babysitters Day: 8 (Saturday before Mother's Day)
*National Cruelty Free Day: 8
National Dog Mom's Day: 8 (Saturday before Mother's Day)
National Miniature Golf Day: 8 (Second Saturday)
National Train Day: 8 (Saturday closest to the 10th.)
National Windmill Day: 8 (Second Saturday)
*No Socks Day: 8 Link
O. Henry Pun-off Day: 8 Link
*Time of Remembrance & Reconciliation for Those Who Lost Their Lives During The Second World War: 8-9
Stay Up All Night: 8 (Second Saturday)
*Student Nurse Day: 8 
*V E Day: 8
World Belly Dance Day: 8 (Second Saturday)
World Fair Trade Day: 8 (Second Saturday)
World Migratory Bird Day: 8 (Second Saturday) Link Link
*World Ovarian Cancer Day: 8 Link
*World Red Cross / Red Crescent Day: 8
World Scotch Pie Day: 8  Link (moved from January)
World Textile Day: 8 Link  (Second Saturday)

 

*Alphabet Magnet Day: 9  Link
*Europe Day: 9 Link
*Home Front Heroes Day: 9 Link
Mother's Day: 9
Mother's At The Wall Day: 9 (Always Mother's Day)
*National Moscato Day: 9
*National Sleepover Day: 9 Link


*Clean Your Room Day: 10 Link
*Dia De La Madre: 10
Hoarding Awareness Day: 10 Link (Second Monday)
*Hostess Cupcake Day: 10 Link
*International Day of Argania:  10
*National Hamster Day: 10 Link
*National Lipid Day: 10 (Dyslipidemia)  Note: Different than one on Sept. 24)
National Women's Check-up Day: 10 Link (Second Monday)
*World Lupus Day: 10


*Eat What You Want Day: 11 Link
*National Foam Rolling Day: 11 Link (Massage)


 Donate A Day's Wages To Charity: 12 (Second Wednesday)
*Fibromyalgia Awareness Day: 12 Link
*International Awareness Day for Chronic Immunological and Neurological Diseases: 12  Link
*International Day of Plant Health: 12
*International Nurses Day: 12 Link   Link
*Limerick Day: 12
*ME/CFS International Mother's Day: 12 Link Link
National Night Shift Workers Day: 12 (Second Wednesday)
National Third Shift Workers Day: 12 (Second Wednesday)
*National Nutty Fudge Day: 12 Link
*National Saphire Segulah Day: 12 Link
*Native American Rights Day: 12
*Odometer Day: 12
Receptionists Day: 12 (Second Wednesday)
Root Canal Appreciation Day: 12 (Second Wednesday)
School Nurse Day: 12 (Always the Wednesday of School Nurse Week 6-12)
World Facilities Management Day: 12 Link (Second Wednesday)



*American Indian Day: 13 Link
*Children of Fallen Patriots Day: 13
*Crouton Day: 13
*Electric Razor Day: 13
*Frog Jumping Day: 13
*Hummus Day: 13  Link
*Indigenous Arts Day: 13
*National Crouton Day: 13 Link
*World Cocktail Day: 13 


*Apraxia Awareness Day: 14 Link
Fintastic Friday: Giving Sharks A Voice: 14 (Second Friday)
Morel Mushroom Day: 14-16 (Weekend After Mother's Day)
*National Chicken Dance Day: 14 Link
*National Decency Day: 14 Link Link
*The Stars and Stripes Forever Day: 14
*Underground America Day: 14
*WAAC Birthday: 14


Armed Forces Day: 15 (Third Saturday) 
California Strawberry Day: 15 Link (Third Saturday)
Do Dah Day: 15 Link  (Third Saturday)
Go Topless Day (jeep): 15  Link  (Topless Breasts is on 8/29)
*Flight Attendant Day: 15
*Hyperemisis Gravidarum Awareness Day: 15
*International Day of Families: 15
International Heritage Breeds Day: 15 Link  (Third Saturday)
*International Kangaroo Care Awareness Day: 15 Link
International Learn To Swim Day: 15 (Third Saturday)
*International MPS Awareness Day: 15  Link
National Auctioneers Day: 15 (Third Saturday)
*Nakba Day: 15
*National Chocolate Chip Day: 15 Link
*National Slider Day: 15  (Food)
*Nylon Stockings Day: 15
*National Trauma Survivors Day: 15
*National Tuberous Sclerosis Day: 15  Link
*Peace Officer Memorial Day: 15 Link  Link
Preakness: 15 (Third Saturday) 
*Straw Hat Day: 15  Link
World Fiddle Day: 15 Link (Third Satuday)
*World Orthodontic Health Day: 15 Link

Bay to Breakers Race: 16  Note: Oldest Footrace in America!  (Third Sunday in May)
*Biographer's Day: 16
*Honor Our LGBT Elders' Day: 16  Link
*International Day of Light: 16  Link
*International Day of Living in Peace: 16  Link
*Mimosa Day: 16 (Drink)
*National BBQ Day: 16 Link
*National Piercing Day: 16
*National Sea Monkey Day: 16
Pentecost: 16 (7th Sunday after Easter)
Ride A Unicycle Day: 16 (Third Sunday)
Rogation Sunday or Rural Life Sunday: 16  (5th Sunday After Easter)
Stepmother's Day: 16 Link (Sunday after Mother's Day)
Take Your Parents To The Playground (Park) Day: 16 Link (Third Sunday)
WhitSunday: 16 (Same as Pentecost)


CSCMP's Supply Chain Professionals Day: 17 (Third Monday)
Eid-Al-Adha: 17 (Sundown)
*Graduation Tassel Day: 17 Link
*International Day Against Homophobia, Transphobia and Biphobia: 17  Link
*National Walnut Day: 17 Link
*Pinot Grigio Day: 17 Link
*Same Sex Marriage Day: 17
Supply Chain Professional Day: 17 (Third Monday)
*Syttende Mai: 17
Victoria Day: 17 Link
*World Hypertension Day: 17  Link
*World Telecommunications and Information Society Day: 17  Link
*World Neurofibromatosis Day (NF Day): 17  Link

 


*Buy A Musical Instrument Day: 18 Link  (Honor of The Music Man Creator)
Data Innovation Day: 18-20 Link
*HIV Vaccine Awareness Day: 18 Link
*I Love Reeses Day: 18 Link  Link
*International Museum Day: 18 Link
*Mother Whistler Day: 18
*National Speech Pathologist Day: Link
*Send An Electronic Greeting Card Day: 18 Link
*Visit Your Relatives Day: 18

 

*Accounting Day: 19 Link  (also October 19) Link
*Boys Club Day: 19
Customer Support Day: 19 Link  (Third Wednesday)
EMS Day: 19 (Wednesday of EMS Week)   Link  Link
Emergency Medical Services for Children Day: 19 Link (Wednesday of EMS Wk) Link  Link Link
*Hepatitus Testing Day: 19
*May Ray Day: 19
*National Asian & Pacific Islander HIV/AIDS Awareness Day: 19
National Employee Health & Fitness Day: 19  (Third Wednesday)
*National Hepatitus Testing Day: 19
National Juice Slush Day: 19 (Third Wednesday)  Link
National Trauma Survivors Day: 19 (Third Wednesday)
*National Scooter Day: 19
Turn Beauty Inside Out Day: 19 (Third Wednesday)
*World IBD Day: 19 Link

 

*Blue Jeans Day: 20
*Eliza Doolittle Day: 20
*Everybody Draw Mohammed Day: 20 Link
GAAD Day (Global Accessibility Awareness Day): 20 Link  (Third Thursday)
*International Human Resources Day: 20 Link
*International Red Sneakers Day: 20  Link
*National Association of Psychometrist's Day: 20 Link
*National Rescue Dog Day: 20  Link
*National Streaming Day: 20 Link
PGA Championships: 20-23
*Reduce Your Lawn Day: 20
Stop The Bleed Day: 20 Link (Third or Fourth Thursday)
*Weights & Measures Day: 20
*World Autoimmune/Autoinflammatory Arthritis Day (World AiArthritis Day) 20 Link
*World Bee Day: 20 Link Link Link Link Link  Link
*World Metrology Day: 20

 
*American Red Cross Founder's Day: 21
Endangered Species Day: 21 Link  (Third Friday)
*End of the World or Rapture Party Day: 21 (Prediction)  Link
*I Need A Patch For That Day: 21 Link
International Defense Transportation Day: 21 (Third Friday)
*International Tea Day: 21  Link
International Virtual Assistants Day: 21 (Third Friday)
NASCAR Day: 21 (Third Friday) (Also October 3)
National Bike to Work Day: 21 Link   (Third Friday) 
*National Memo Day: 21
National Pizza Party Day: 21 (Third Friday)  Link
*National Waitstaff Day: 21
*Sister Maria Hummel Day: 21
Walk Safely To School Day: 21 Link
*World Chardonnay Day: 21 Link
*World Day for Cultural Diversity for Dialogue & Development: 21
World Eel Day: 21 (Third Friday)

 


*Canadian Immigrants Day: 22
Declaration of the Bab Day: 22 (After sunset)
*Harvey Milk Day: 22
*International Being You Day: 22
*International Day for Biological Diversity: 22
Julia Pierpont Day: 22 (Fourth Saturday)
*National Craft Distillery Day: 22 Link
*National Maritime Day: 22
*NF2 Awareness Day: 22 Link
*Sherlock Holmes Day: 22  Link
*US Colored Troops Day: 22 
*World Goth Day: 22 Link  Link  
*World Paloma Day: 22 Link



*International Day to End Obstetric Fistula: 23
*International World Turtle Day: 23
*National Best Friend-in-Law Day: 23
*National Medical Coders Day: 23 Link
*National Taffy Day: 23 Link
Neighbor Day: 23 (Sunday before Memorial Day Weekend)
World Fish Migration Day 2028: 23?  (Every two years)
*World Turtle Day: 23

 


*Aviation Maintenance Technician Day: 24  Link
*Brother's Day: 24  Link
Declaration of the Bab: 24
*International Tiara Day: 24
Lag B'Omer: 24 (Sundown)
*Morse Code Day: 24 (Some also observe on April 27)
*Scavenger Hunt and Treasure Hunt Day: 24
*World Day of Markhor: 24
*World Schizophrenia Awareness Day: 24
*Yucatan Shrimp Day: 24 Link

 



*Cookie Monster's Birthday: 25  Link  (See also November 2)
*International Plastic Free Day: 25 Link
*National Brown Bag-it Day: 25 Link (Note: Paper Bag Day is 7/12)
*National and International Missing Children's Day: 25  Link
*National Tap Dance Day: 25 (Birthday of Bill Robinson "Bojangles")
*National Wine Day: 25 Link
*Nerd Pride Day or Geek Pride Day: 25 Link
*Towel Day: 25 Link
Women's Golf Day: 25-6/1  Link
*World Fish Migration Day: 25
*World Football Day: 25
*World Thyroid Day: 25  Link

 


Buddha Day: 26 Link  (Celebration Date) Note: Historical date is always April 8 
Day of Vesak: 26 Link Link (Traditionally on the Full Moon in May)  NOTE: Vesak varies per Buddist country. See the link!
*National Chardonnay Day: 26 Link
National Senior Health & Fitness Day: 26 Link  (Last Wednesday)
World Otter Day: 26 (Last Wednesday)
*National Paper Airplane Day: 26 Link Link Link Link
*World Lindy Hop Day: 26


*Cellophane Tape Day: 27
Eat More Fruits & Vegetables Day: 27 (Thursday before Memorial Day) Link
International Chardonnay Day: 27 Link (Thursday before Memorial Day)
*Joe Cool Day: 27 Link

 
*Amnesty International Founders Day: 28
Don't Fry Day: 28 (Friday Before Memorial Day) Link
Heat Awareness Day: 28 Link (Last Friday)
*Menstrual Hygiene Day: 28 Link
Mike,The Headless Chicken Day: 28-29? Link
*National Brisket Day: 28 Link
National Cooler Day: 28 (Friday Before Memorial Day) Link
National Polka Day: 28-30 Link (Always Memorial Day weekend)
National Road Trip Day: 28 (Friday Before Memorial Day Weekend) 
National Title Track Day: 28 (Fourth Friday)
National Wig Out Day: 28 (Always Fri. before Memorial Day)
*Sierra Club Day: 28 Link
*Slugs Return From Capistrano Day: 28 Link
*Whooping Crane Day: 28
*U.S. Border Patrol Day: 28  Link Link Link Link Link Link Link



Amateur Radio Military Appreciation Day (ARMAD): 29 Link  (Saturday of Memorial Day Weekend)
Ascension of Baha'U'llah: 29
*International Day of United Nations Peacekeepers: 29
*Learn About Composting Day: 29
*National 529 Day: 29  Link
*National Alligator Day: 29
National Learn To Swim Day: 29 (Saturday of Week Before Memorial Day) Link
*Put A Pillow On Your Fridge Day: 29 Link


*Indianapolis 500 Anniversary: 30
Indianapolis 500 Race: 30 (Sunday of Memorial Day Weekend) 
*International Day of the Potato: 30
*Loomis Day: 30
*Memorial Day (Traditional): 30
*National Creativity Day: 30  Link Link
*World MS Day (Multiple Sclerosis): 30 Link 

 

 

Hamburger Day: 31 Link (Always Memorial Day)
Memorial Day: 31 (Observed)
National Marina Day: 31-9/6 Link (Starts on Memorial Day thru Labor Day)
*National Smile Day: 31 (Middle of Smile Month 5/15 - 6/15) Link
*Necrotizing Fasciitis Awareness Day:31  Link
Prayer for Peace Memorial Day: 31
*Save Your Hearing Day: 31 Link
*What You Think Upon Grows Day: 31
*World No-Tobacco Day: 31
*World Parrot Day: 31 Link Link



May 2027 Moon Phases


Current Moon View
as of today

6
 New Moon
7:00 am
EDT

13
First Qtr.
12:44 am
EDT
 

20
Full Moon
 6:59 am
EDT

28
Full Last Moon
3:41 pm
EDT

Full Moon on  the 20th is called "Flower Moon" by Native Americans of New England and the Great Lakes because this time of the year flowers are all over.

 

 



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