National Sisters Day

Today we honor the special connection that sisters share across generations.

AUG2

Sunday, August 2First Sunday in August

Roots: Established in the 2000s as a day to honor sisters
Vibe: A day filled with joy, reflection, and connection
Also on Aug 2: Coloring Book Day · Friendship Day · Ice Cream Sandwich Day
Hashtag: #NationalSistersDay

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3 ways to celebrate

AT HOME

Call your sister

Catch up on life and remind her what she means to you.

WITH FRIENDS

Plan a sister day out

Plan a spa day, movie, or lunch with your sister or sisters.

AT WORK OR SCHOOL

Celebrate sisterhood

Shout out the coworker-sisters and friend groups who have your back.

Plan ahead

National Sisters Day is observed on the first Sunday in August. Here is where it lands for the next ten years, handy for planners, marketers and party people.

2026Sun, Aug 2this year

2027Sun, Aug 1

2028Sun, Aug 6

2029Sun, Aug 5

2030Sun, Aug 4

2031Sun, Aug 3

2032Sun, Aug 1

2033Sun, Aug 7

2034Sun, Aug 6

2035Sun, Aug 5

2036Sun, Aug 3

Add to my calendar (repeats yearly)

Fast facts

Many Americans share a special bond with a sister

Sisters are often lifelong friends, with 60% reporting they have shared secrets

The story

National Sisters Day, celebrated on the first Sunday of August, has become an important occasion in the United States, where the unique bond between sisters is recognized. This observance encourages individuals to reflect on their relationships with their sisters, whether biological, adopted, or chosen. The day often serves as a reminder of the love, support, and camaraderie that sisters provide throughout life.

Read the full story

Sisters play a vital role in shaping our identities, offering companionship and understanding that can be hard to find elsewhere. Research indicates that having a sister can significantly impact emotional well-being, helping to foster resilience and confidence. From childhood adventures to adult experiences, sisters often share a lifetime of memories that contribute to their deep connection.

The origins of National Sisters Day can be traced back to the early 2000s, when various organizations began advocating for a day dedicated to celebrating sisterhood. As the observance gained traction, it became an opportunity for families to come together and honor the special relationships that exist between sisters. Today, it encourages people to express gratitude and love, reinforcing the importance of these familial ties.

Celebrating National Sisters Day can take many forms, whether through heartfelt messages, shared activities, or even simple acts of kindness. Many families choose to commemorate the day with gatherings, while others may opt for virtual connections. Regardless of how it is celebrated, the day serves as a reminder that the bond between sisters is both unique and irreplaceable.