Simone I. Smith launches SISMAS Day, a new December celebration of sisterhood.

The second Saturday of December is officially National SISMAS Day.

Ladies, there’s a reason to celebrate every second Saturday of December, as Simone I. Smith has officially declared it National SISMAS Day.

Smith, a jewelry designer and wife of Hip-Hop legend LL Cool J, founded National SISMAS Day—a new holiday dedicated to celebrating sisterhood and friendship during the holiday season. This newly recognized day, falling on the second Saturday of December, honors the strong bonds between women, with the first celebration taking place on Saturday, Dec. 14, according to a press release.

Now officially a national day, SISMAS is all about bringing people together for festive celebrations, making unforgettable memories, and fostering joy and connection. Created by Smith, it began as a special occasion where a close-knit group of friends, mostly women, came together to celebrate their bond during the holiday season.

Recognizing the importance of these relationships, the certified queen of hoop earrings and co-founder and designer of Simone I. Smith Jewelry, wanted to create a special occasion for her closest friends and family to come together, reconnect, and enjoy each other’s company. SISMAS is a celebration of the bonds we share and the joy that comes from nurturing them.

Legendary rapper Roxanne Shante took to Instagram on Dec. 12 to share her excitement about Smith declaring SISMAS a national day.

“Merry SISMAS December 14 is the national holiday called SISMAS @sislovespurple has officially started a day when we as sisters get together, enjoy, and celebrate each other. As we get ready to do everything for everyone else, it’s a day for us. Merry SISMAS!!!!” Shante wrote in her post.

Now an annual celebration, SISMAS encourages people to gather with close friends and family to share in the joy of the day. Participants can embrace the holiday spirit by wearing themed outfits, enjoying delicious foods, and taking part in fun activities like music, dancing, and talent shows.

Incorporating traditions such as gift exchanges or heartfelt conversations can strengthen friendships and sisterhood, perfectly capturing the essence of the holiday season. Ultimately, SISMAS is about creating lasting memories, fostering deeper connections, and celebrating the joy of companionship.