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Aug1 Fun Holiday – Sisters' Day

The first Sunday of August every year is celebrated around the world as Sisters’ Day.

Celebrate your sister or someone you share a sisterly bond with today.


The unofficial holiday honors the strong bond that people share with their sister(s). Sometimes called National Sisters' Day in the United States, the holiday encourages people to celebrate the special relationship between them and their sister(s).

This is a day to acknowledge the joy and love that your sister brings into your life and to make sure that she knows that you cherish all that she does for you.

Describes Many Different Relationships

While sister is usually used to refer to a female sibling, the term can be used for a variety of relationships. In many cultures, the term is used to address a female nurse, a woman who is in religious service, like a nun, or any other unrelated woman who shares a person's religion. Members of a sorority - a female social organization on college campuses - also call each other sisters.

How to Celebrate?

  • If you live far from your sister, call them or send them a card telling them how much you love them and appreciate them.
  • If you live close to them, visit them or take them out for a nice meal and treat them to their favorite dessert.
  • Don't have a sister who you share genes with? What about celebrating your female friends who have provided you the love and support that only a sister can?

Did You Know...

...that a similar holiday, Rakshabandhan or Rakhi is celebrated by those who follow the Hindu religion around the same time as Sisters' Day? Celebrated every year on a full Moon day, the holiday honors the sacred bond between brothers and sisters.

Sisters' Day Observances

Fun Holiday: Sisters' Day Observances
2021SunAug 1Sisters' Day
2022SunAug 7Sisters' Day
2023SunAug 6Sisters' Day
2024SunAug 4Sisters' Day
2025SunAug 3Sisters' Day
2026SunAug 2Sisters' Day
2027SunAug 1Sisters' Day
2028SunAug 6Sisters' Day
2029SunAug 5Sisters' Day
2030SunAug 4Sisters' Day

See all Fun Holidays

Other Fun Holidays around August 1

30 Jul

National Cheesecake Day

The unofficial food holiday is dedicated to everyone’s favorite dessert - cheesecake.

1 Aug

National Girlfriend Day

Celebrate your girlfriend and your girl friends and let them know that they are cherished, loved and respected.

2 Aug

Ice Cream Sandwich Day

This fun holiday celebrates everyone's favorite summer treat - ice cream sandwiched between two layers of cookies or cake.