Answer

Posh Dashami is the 10th tithi, and in the 2026 Jain/Gujarati panchang it falls on 29 January 2026 as Dasham Sud in the Posh-Maha month cycle. Because panchang dates are sunrise-based and location-specific, the exact Gregorian date can vary slightly by place. ( drikpanchang.com)

Explanation

“Dashami” means the 10th lunar day. In the January 2026 panchang, 29 January is listed as “Dasham Sud,” and the month is shown as “Posh - Maha 2082.” ( drikpanchang.com)

Takeaway

So, for 2026, you can note 29 January 2026 for Posh Dashami. ( drikpanchang.com)