Can I perform Shashthi Shradh for my mother if she died on Shashthi Tithi?

Yes, absolutely. Shashthi Shradh can be performed for both male and female ancestors who died on this tithi. However, there is also a separate observance — Matru Navami or Avidhava Navami — on the ninth day (Navami Tithi, October 4, 2026) that is specifically dedicated to deceased mothers and married women. If your mother died on Shashthi Tithi, perform her primary Shradh on October 1 but you may also include her in the general offering on Matru Navami.