Here are the national holidays and special observances to enjoy in May.

Daily Holidays and Observances

May 1: May Day, National Mother Goose Day, Law Day, World Laughter Day* (first Sunday), National Lemonade DayMay 2: National Brothers and Sisters Day, Baby Day, National Truffle Day, International Harry Potter DayMay 3: Teacher Appreciation Day* (Tuesday of first full week), Sun Day, Childhood Depression Awareness Day* (first Tuesday), National Concert Day* (first Tuesday), Foster Care Day* (first Tuesday), Wordsmith Day, World Press Freedom DayMay 4: Intergalactic Star Wars Day, National Weather Observers Day, Anti-Bullying Day, Bird Day, International Firefighter’s Day, National Orange Juice Day, National Kids Fitness Day, National Skilled Trades Day, National Bike to School DayMay 5: Museum Lovers Day, Cartoonist Day, National Day of Reason* (first Thursday), Make a Book Day, Cinco de Mayo, Hand Hygiene Day, National Children’s Mental Health Awareness Day, National Day of Prayer* (first Thursday), Hoagie DayMay 6: No Homework Day, International Space Day* (first Friday), Tuba Day (first Friday), International No Diet DayMay 7: National Babysitters Day, National Fitness Day, Astronomy Day*, Bladder Cancer Awareness Day* (first Saturday), Learn to Ride a Bike Day* (first Saturday), National Cosmopolitan DayMay 8: Mother’s Day* (second Sunday), VE Day (Victory in Europe Day), World Red Cross Day, World Ovarian Cancer Day, National Give Someone a Cupcake Day, National Empanada Day, National Coconut Cream Pie Day, Iris DayMay 9: National Women’s Check-up Day, Peter Pan Day, National Foodies Day, World Melanoma Day, National Cycling DayMay 10: Clean Up Your Room Day, National Shrimp Day, National Small Business Day, World Lupus Day, Trust Your Intuition Day, Stay Up All Night NightMay 11: National Eat What You Want Day, National Receptionists Day, National School Nurse Day, National Night Shift Workers Day* (second Wednesday)May 12: National Limerick Day, National Fibromyalgia Awareness Day, International Nurses Day, National Hospital Day, National Nutty Fudge DayMay 13: National Frog Jumping Day, Tulip Day, Blame Someone Else Day* (first Friday 13th of the year), Friday the 13th, National Apple Pie Day, National Fruit Cocktail Day, National Hummus DayMay 14: World Migratory Bird Day, Stars and Stripes Forever Day, Windmill Day* (second Saturday), Letter Carrier’s Stamp Out Hunger Food Drive Day* (second Saturday), National Miniature Gold Day* (second Saturday), National Buttermilk Biscuit Day, National Train Day, American Indian Day* (second Saturday)May 15: International Day of Families, Bring Flowers to Someone Day, Stepmother’s Day* (Sunday after Mother’s Day), World Baking Day* (third Sunday), Chocolate Chip DayMay 16: National Biographer’s Day, International Pickle Day, Love a Tree Day, Nickel Day, Wear Purple for Peace DayMay 17: Dinosaur Day, National Cherry Cobbler Day, National Walnut Day, Pinot Grigio Day, World Hypertension Day, World Telecommunications DayMay 18: International Museum Day, National Cheese Souffle Day, National No Dirty Dishes Day, National Visit Your Relatives Day, National Employee Health and Fitness Day* (third Wednesday), Emergency Medical Services Day* (third Wednesday)May 19: International Hummus Day, National Devil’s Food Cake Day, Plant Something Day, Brown Bag It Thursday* (third Thursday), Hepatitis Testing Day, World IBD DayMay 20: Endangered Species Day* (third Friday), Flower Day, National Be a Millionaire Day, National Bike to Work Day* (third Friday), National Pizza Party Day* (third Friday), National Quiche Lorraine Day, National Rescue Dog Day, Pick Strawberries DayMay 21: Armed Forces Day* (third Saturday), World Bee Day, National Memo DayMay 22: National Maritime Day, National Buy a Musical Instrument Day, National Solitaire Day, National Vanilla Pudding Day, Sherlock Holmes Day, World Goth DayMay 23: World Turtle Day, Lucky Penny Day, National Taffy DayMay 24: National Scavenger Hunt Day, Asparagus Day, Brother’s Day, World Schizophrenia Awareness Day, National Escargot DayMay 25: Geek Pride Day, African Liberation Day, National Brown-Bag-It Day, National Missing Children’s Day, National Senior Health & Fitness Day* (last Wednesday), National Tap Dance Day, National Wine Day, World Otter Day* (last Wednesday)May 26: Eat More Fruits & Vegetables Day* (Thursday of Memorial Day week), National Blueberry Cheesecake Day, National Cherry Dessert Day, World Red Head DayMay 27: Carb Day, Don’t Fry Day* (Friday before Memorial Day), Heat Safety Awareness Day* (fourth Friday), National Road trip Day* (Friday before Memorial Day), Nothing to Fear Day, Sunscreen Protection Day, National Grape Popsicle DayMay 28: International Hamburger Day, International Jazz Day* (Saturday before Memorial Day), National Brisket day, Amnesty International Day, Whooping Crane DayMay 29: Learn About Composting Day, Neighbor Day* (Sunday before Memorial Day), Pink Flamingo Day, Paper Clip Day, World Digestive Health DayMay 30: Memorial Day* (last Monday), Water a Flower DayMay 31: National Meditation Day, National Macaroon Day, National Smile Day, World Parrot Day, National Autonomous Vehicle Day, National Save Your Hearing Day, World No-Tobacco Day, National Speak in Complete Sentences Day

Weekly Holidays and Observances

Children’s Mental Health Week (first full week)Teacher Appreciation Week (first full week, Monday through Friday)National Wildflower Week (May 1-7)National Pet Week (May 1-7)National Nurses Week (May 6-12)Children’s Book Week (May 2-8)Screen Free Week (May 2-8)National Women’s Health Week (May 8-14)Brain Injury Awareness Week (May 11-17)Reading is Fun Week (second full week)National EMS Week (May 15-21)National Safe Sun Week (May 23-29)National Backyard Games Week (week before Memorial Day)

Monthly Holidays and Observances

ALS Awareness MonthAsian American MonthCreative Beginnings MonthFoster Care MonthLatino Books MonthLupus Awareness MonthNational Barbeque MonthNational Bike MonthNational Hamburger MonthNational Inventors MonthNational Lyme Disease Awareness MonthNational Mental Health MonthNational Military Appreciation MonthNational Pet MonthNational Photo MonthNational Salad MonthNational Wild Fire Awareness MonthYoung Achievers of Tomorrow Month

*Denotes that date changes each year.