Events. It's easy to promote this International Day by inviting everyone around the world, or just locally, to get up and dance. Publish your virtual flyers/videos to the world using Instagram, Facebook Video, and Twitter. Don't forget to include the date & time.
Lessons. If you're a dance studio or participate in the arts, you should try to use this day to your advantage. Offer a promotional discount for 6 or 12-month term classes? Students will appreciate you.
Celebrate. Jazz, Ballet, Disco, Modern, etc. Whatever your jam, celebrate it with a video montage of your favorite routines.