Holidays and Observances in May

National days to celebrate this month

May calendar

The Spruce / Margot Cavin

The month of May has some really fun and interesting days to celebrate. The days listed here are those that can be of interest to everyone in the family. The month has also been set aside to focus on some special interests. You can find information and activities for the month as well as the special days in it.

Here are the national holidays and special observances in May.

Fun Fact

In any given year, common or leap year, no month ever begins or ends on the same day of the week as May does.

Daily Holidays and Observances

  • May 1: May Day, Mother Goose Day, Law Day, Make a Book Day, World Laughter Day* (first Sunday)
  • May 2: Sibling Appreciation Day, Teacher Appreciation Day* (Tuesday of first full week)
  • May 3: Sun Day, Kite Day
  • May 4: Intergalactic Star Wars Day, National Weather Observers Day
  • May 5: Museum Lovers Day, Cartoonist Day, National Day of Reason* (first Thursday)
  • May 6: No Homework Day, International Space Day* (first Friday), Tuba Day (first Friday)
  • May 7: Space Day* (first Saturday)
  • May 8: Mother's Day, V E Day
  • May 9: National Children's Mental Health Awareness Day, Peter Pan Day
  • May 10: Windmill Day
  • May 11: Eat What You Want Day
  • May 12: Limerick Day, International Migratory Bird Day
  • May 13: Frog Jumping Day, Tulip Day, Blame Someone Else Day* (first Friday 13th of the year)
  • May 14: Star Wars Day, Stars and Stripes Forever Day
  • May 15: International Day of Families, Over the Rainbow Day
  • May 16: Biographer's Day
  • May 17: World Telecommunications Day
  • May 18: International Museum Day
  • May 20: Endangered Species Day* (third Friday)
  • May 21: Armed Forces Day* (third Saturday)
  • May 22: National Maritime Day
  • May 23: World Turtle Day
  • May 24: Scavenger Hunt Day
  • May 25: Nerd or Geek Pride Day
  • May 30: Memorial Day* (last Monday)

Weekly Holidays and Observances

  • National Family Reading Week (first week)
  • Children's Mental Health Week (first full week)
  • Teacher Appreciation Week (first full week, M-F)
  • Children's Book Week (May 2-8)
  • Screen Free Week (May 2-8)
  • Wildflower Week (May 2-8)
  • Astronomy Week (May 9-15)
  • Reading is Fun Week (second full week)
  • National Backyard Games Week (week before Memorial Day)

Monthly Holidays and Observances

  • Creative Beginnings Month
  • Latino Books Month
  • National Pet Month
  • National Photo Month
  • National Mental Health Month
  • National Military Appreciation Month
  • National Wild Fire Awareness Month
  • National Inventors Month
  • Young Achievers of Tomorrow Month
  • National Family Month

*Denotes that date changes each year.