HTX Diwali 2026 - Shine Your Light Over Houston is a festival of lights celebrating Diwali, the Hindu festival of light, at POST Market in Houston. Set in POST's Skylawn and X Atrium spaces in the heart of downtown, it's a bright, colorful way to spend a Saturday morning. Diwali is famous for glowing lamps, joyful gatherings and sharing good vibes with friends and family. Come ready to soak up the festive mood, explore the space and celebrate the season with your crew.